[INFO] cloning repository https://github.com/dlamei/Calcu-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dlamei/Calcu-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlamei%2FCalcu-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlamei%2FCalcu-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 783d97b72a8f0718a81dff9f3c0892fe6de1b10e
[INFO] testing dlamei/Calcu-rs against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlamei%2FCalcu-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dlamei/Calcu-rs on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dlamei/Calcu-rs
[INFO] finished tweaking git repo https://github.com/dlamei/Calcu-rs
[INFO] tweaked toml for git repo https://github.com/dlamei/Calcu-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dlamei/Calcu-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing dlamei/Calcu-rs against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlamei%2FCalcu-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dlamei/Calcu-rs on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dlamei/Calcu-rs
[INFO] finished tweaking git repo https://github.com/dlamei/Calcu-rs
[INFO] tweaked toml for git repo https://github.com/dlamei/Calcu-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dlamei/Calcu-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing dlamei/Calcu-rs against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlamei%2FCalcu-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dlamei/Calcu-rs on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dlamei/Calcu-rs
[INFO] finished tweaking git repo https://github.com/dlamei/Calcu-rs
[INFO] tweaked toml for git repo https://github.com/dlamei/Calcu-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dlamei/Calcu-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symbol_table v0.2.0
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[INFO] [stderr]   Downloaded symbolic_expressions v5.0.3
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[INFO] [stderr]   Downloaded egg v0.9.5
[INFO] [stderr]   Downloaded malachite-base v0.4.7
[INFO] [stderr]   Downloaded malachite-nz v0.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fff686f51c52f7f7fa75d3c4bf7e3a18b0d6fe9963355b9315a7385b21eeefff
[INFO] running `Command { std: "docker" "start" "-a" "fff686f51c52f7f7fa75d3c4bf7e3a18b0d6fe9963355b9315a7385b21eeefff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fff686f51c52f7f7fa75d3c4bf7e3a18b0d6fe9963355b9315a7385b21eeefff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff686f51c52f7f7fa75d3c4bf7e3a18b0d6fe9963355b9315a7385b21eeefff", kill_on_drop: false }`
[INFO] [stdout] fff686f51c52f7f7fa75d3c4bf7e3a18b0d6fe9963355b9315a7385b21eeefff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8db4399155975f5ac68eb3812e018bf9e0ba949cb88e206e822566a768573e9
[INFO] running `Command { std: "docker" "start" "-a" "c8db4399155975f5ac68eb3812e018bf9e0ba949cb88e206e822566a768573e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling zerocopy v0.7.34
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling thiserror v1.0.59
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling malachite-base v0.4.7
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling termcolor v1.4.0
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling symbol_table v0.2.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.5
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling symbolic_expressions v5.0.3
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling ordered-float v4.2.0
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.59
[INFO] [stderr]    Compiling calcurs_macros v0.1.0 (/opt/rustwide/workdir/macros)
[INFO] [stderr]    Compiling egg v0.9.5
[INFO] [stderr]    Compiling malachite-nz v0.4.7
[INFO] [stderr]    Compiling malachite-q v0.4.7
[INFO] [stderr]    Compiling malachite v0.4.7
[INFO] [stderr]    Compiling calcu_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::rational::Rational`
[INFO] [stdout]  --> src/operator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::rational::Rational;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expr`
[INFO] [stdout]  --> src/rational.rs:7:41
[INFO] [stdout]   |
[INFO] [stdout] 7 | use calcu_rs::expression::{CalcursType, Expr};
[INFO] [stdout]   |                                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `float_exp`
[INFO] [stdout]    --> src/operator.rs:175:21
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 let float_exp = e.is_int();
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_float_exp`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expr_is` is never used
[INFO] [stdout]    --> src/e_graph.rs:202:4
[INFO] [stdout]     |
[INFO] [stdout] 202 | fn expr_is<const N: usize>(var: &str, itms: [Item; N]) -> impl RuleCondition {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ExplType` is never used
[INFO] [stdout]    --> src/e_graph.rs:301:6
[INFO] [stdout]     |
[INFO] [stdout] 301 | enum ExplType {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fmt_self` is never used
[INFO] [stdout]    --> src/e_graph.rs:314:8
[INFO] [stdout]     |
[INFO] [stdout] 313 | impl Explanation {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] 314 |     fn fmt_self(&self, f: &mut Formatter<'_>, egraph: &EGraph) -> fmt::Result {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExplanationGraph` is never constructed
[INFO] [stdout]    --> src/e_graph.rs:345:8
[INFO] [stdout]     |
[INFO] [stdout] 345 | struct ExplanationGraph<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Explanation` is never constructed
[INFO] [stdout]    --> src/e_graph.rs:358:8
[INFO] [stdout]     |
[INFO] [stdout] 358 | struct Explanation {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fmt_expl_tree` is never used
[INFO] [stdout]    --> src/e_graph.rs:363:4
[INFO] [stdout]     |
[INFO] [stdout] 363 | fn fmt_expl_tree(tree: &egg::TreeExplanation<GraphExpr>) -> Explanation {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fmt_tree_term` is never used
[INFO] [stdout]    --> src/e_graph.rs:373:4
[INFO] [stdout]     |
[INFO] [stdout] 373 | fn fmt_tree_term(term: &egg::TreeTerm<GraphExpr>) -> Explanation {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NAT_ZERO` is never used
[INFO] [stdout]    --> src/rational.rs:138:7
[INFO] [stdout]     |
[INFO] [stdout] 138 | const NAT_ZERO: mal::Natural = mal::Natural::const_from(0);
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `calcu_rs::e_graph::*`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use calcu_rs::e_graph::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.07s
[INFO] running `Command { std: "docker" "inspect" "c8db4399155975f5ac68eb3812e018bf9e0ba949cb88e206e822566a768573e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8db4399155975f5ac68eb3812e018bf9e0ba949cb88e206e822566a768573e9", kill_on_drop: false }`
[INFO] [stdout] c8db4399155975f5ac68eb3812e018bf9e0ba949cb88e206e822566a768573e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67a29585d35c17c1b777f0675542d0ae9af6fc9f3e42bcb743f59d00a009197c
[INFO] running `Command { std: "docker" "start" "-a" "67a29585d35c17c1b777f0675542d0ae9af6fc9f3e42bcb743f59d00a009197c", kill_on_drop: false }`
[INFO] [stderr]    Compiling test-case-core v3.3.1
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stdout] warning: unused import: `crate::rational::Rational`
[INFO] [stdout]  --> src/operator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::rational::Rational;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expr`
[INFO] [stdout]  --> src/rational.rs:7:41
[INFO] [stdout]   |
[INFO] [stdout] 7 | use calcu_rs::expression::{CalcursType, Expr};
[INFO] [stdout]   |                                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `float_exp`
[INFO] [stdout]    --> src/operator.rs:175:21
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 let float_exp = e.is_int();
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_float_exp`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expr_is` is never used
[INFO] [stdout]    --> src/e_graph.rs:202:4
[INFO] [stdout]     |
[INFO] [stdout] 202 | fn expr_is<const N: usize>(var: &str, itms: [Item; N]) -> impl RuleCondition {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ExplType` is never used
[INFO] [stdout]    --> src/e_graph.rs:301:6
[INFO] [stdout]     |
[INFO] [stdout] 301 | enum ExplType {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fmt_self` is never used
[INFO] [stdout]    --> src/e_graph.rs:314:8
[INFO] [stdout]     |
[INFO] [stdout] 313 | impl Explanation {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] 314 |     fn fmt_self(&self, f: &mut Formatter<'_>, egraph: &EGraph) -> fmt::Result {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExplanationGraph` is never constructed
[INFO] [stdout]    --> src/e_graph.rs:345:8
[INFO] [stdout]     |
[INFO] [stdout] 345 | struct ExplanationGraph<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Explanation` is never constructed
[INFO] [stdout]    --> src/e_graph.rs:358:8
[INFO] [stdout]     |
[INFO] [stdout] 358 | struct Explanation {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fmt_expl_tree` is never used
[INFO] [stdout]    --> src/e_graph.rs:363:4
[INFO] [stdout]     |
[INFO] [stdout] 363 | fn fmt_expl_tree(tree: &egg::TreeExplanation<GraphExpr>) -> Explanation {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fmt_tree_term` is never used
[INFO] [stdout]    --> src/e_graph.rs:373:4
[INFO] [stdout]     |
[INFO] [stdout] 373 | fn fmt_tree_term(term: &egg::TreeTerm<GraphExpr>) -> Explanation {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NAT_ZERO` is never used
[INFO] [stdout]    --> src/rational.rs:138:7
[INFO] [stdout]     |
[INFO] [stdout] 138 | const NAT_ZERO: mal::Natural = mal::Natural::const_from(0);
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pretty_assertions v1.4.0
[INFO] [stderr]    Compiling test-case-macros v3.3.1
[INFO] [stderr]    Compiling test-case v3.3.1
[INFO] [stderr]    Compiling calcu_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `calcu_rs::e_graph::*`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use calcu_rs::e_graph::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::rational::Rational`
[INFO] [stdout]  --> src/operator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::rational::Rational;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expr`
[INFO] [stdout]  --> src/rational.rs:7:41
[INFO] [stdout]   |
[INFO] [stdout] 7 | use calcu_rs::expression::{CalcursType, Expr};
[INFO] [stdout]   |                                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `hidden`
[INFO] [stdout]  --> src/tests.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[cfg(hidden)]
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(hidden)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `hide`
[INFO] [stdout]   --> src/tests.rs:55:7
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[cfg(hide)]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(hide)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `float_exp`
[INFO] [stdout]    --> src/operator.rs:175:21
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 let float_exp = e.is_int();
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_float_exp`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expr_is` is never used
[INFO] [stdout]    --> src/e_graph.rs:202:4
[INFO] [stdout]     |
[INFO] [stdout] 202 | fn expr_is<const N: usize>(var: &str, itms: [Item; N]) -> impl RuleCondition {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ExplType` is never used
[INFO] [stdout]    --> src/e_graph.rs:301:6
[INFO] [stdout]     |
[INFO] [stdout] 301 | enum ExplType {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fmt_self` is never used
[INFO] [stdout]    --> src/e_graph.rs:314:8
[INFO] [stdout]     |
[INFO] [stdout] 313 | impl Explanation {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] 314 |     fn fmt_self(&self, f: &mut Formatter<'_>, egraph: &EGraph) -> fmt::Result {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExplanationGraph` is never constructed
[INFO] [stdout]    --> src/e_graph.rs:345:8
[INFO] [stdout]     |
[INFO] [stdout] 345 | struct ExplanationGraph<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Explanation` is never constructed
[INFO] [stdout]    --> src/e_graph.rs:358:8
[INFO] [stdout]     |
[INFO] [stdout] 358 | struct Explanation {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fmt_expl_tree` is never used
[INFO] [stdout]    --> src/e_graph.rs:363:4
[INFO] [stdout]     |
[INFO] [stdout] 363 | fn fmt_expl_tree(tree: &egg::TreeExplanation<GraphExpr>) -> Explanation {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fmt_tree_term` is never used
[INFO] [stdout]    --> src/e_graph.rs:373:4
[INFO] [stdout]     |
[INFO] [stdout] 373 | fn fmt_tree_term(term: &egg::TreeTerm<GraphExpr>) -> Explanation {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NAT_ZERO` is never used
[INFO] [stdout]    --> src/rational.rs:138:7
[INFO] [stdout]     |
[INFO] [stdout] 138 | const NAT_ZERO: mal::Natural = mal::Natural::const_from(0);
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "67a29585d35c17c1b777f0675542d0ae9af6fc9f3e42bcb743f59d00a009197c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a29585d35c17c1b777f0675542d0ae9af6fc9f3e42bcb743f59d00a009197c", kill_on_drop: false }`
[INFO] [stdout] 67a29585d35c17c1b777f0675542d0ae9af6fc9f3e42bcb743f59d00a009197c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] acc61fc3e0961f8d7bbc1b554bf25ae3512d618a58fdf69b4935941b4db21d15
[INFO] running `Command { std: "docker" "start" "-a" "acc61fc3e0961f8d7bbc1b554bf25ae3512d618a58fdf69b4935941b4db21d15", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::rational::Rational`
[INFO] [stderr]  --> src/operator.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::rational::Rational;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Expr`
[INFO] [stderr]  --> src/rational.rs:7:41
[INFO] [stderr]   |
[INFO] [stderr] 7 | use calcu_rs::expression::{CalcursType, Expr};
[INFO] [stderr]   |                                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `float_exp`
[INFO] [stderr]    --> src/operator.rs:175:21
[INFO] [stderr]     |
[INFO] [stderr] 175 |                 let float_exp = e.is_int();
[INFO] [stderr]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_float_exp`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `expr_is` is never used
[INFO] [stderr]    --> src/e_graph.rs:202:4
[INFO] [stderr]     |
[INFO] [stderr] 202 | fn expr_is<const N: usize>(var: &str, itms: [Item; N]) -> impl RuleCondition {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `ExplType` is never used
[INFO] [stderr]    --> src/e_graph.rs:301:6
[INFO] [stderr]     |
[INFO] [stderr] 301 | enum ExplType {
[INFO] [stderr]     |      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `fmt_self` is never used
[INFO] [stderr]    --> src/e_graph.rs:314:8
[INFO] [stderr]     |
[INFO] [stderr] 313 | impl Explanation {
[INFO] [stderr]     | ---------------- method in this implementation
[INFO] [stderr] 314 |     fn fmt_self(&self, f: &mut Formatter<'_>, egraph: &EGraph) -> fmt::Result {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ExplanationGraph` is never constructed
[INFO] [stderr]    --> src/e_graph.rs:345:8
[INFO] [stderr]     |
[INFO] [stderr] 345 | struct ExplanationGraph<'a> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Explanation` is never constructed
[INFO] [stderr]    --> src/e_graph.rs:358:8
[INFO] [stderr]     |
[INFO] [stderr] 358 | struct Explanation {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fmt_expl_tree` is never used
[INFO] [stderr]    --> src/e_graph.rs:363:4
[INFO] [stderr]     |
[INFO] [stderr] 363 | fn fmt_expl_tree(tree: &egg::TreeExplanation<GraphExpr>) -> Explanation {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fmt_tree_term` is never used
[INFO] [stderr]    --> src/e_graph.rs:373:4
[INFO] [stderr]     |
[INFO] [stderr] 373 | fn fmt_tree_term(term: &egg::TreeTerm<GraphExpr>) -> Explanation {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `NAT_ZERO` is never used
[INFO] [stderr]    --> src/rational.rs:138:7
[INFO] [stderr]     |
[INFO] [stderr] 138 | const NAT_ZERO: mal::Natural = mal::Natural::const_from(0);
[INFO] [stderr]     |       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `calcu_rs` (lib) generated 11 warnings (run `cargo fix --lib -p calcu_rs` to apply 2 suggestions)
[INFO] [stderr] warning: unexpected `cfg` condition name: `hidden`
[INFO] [stderr]  --> src/tests.rs:1:7
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[cfg(hidden)]
[INFO] [stderr]   |       ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stderr]   = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(hidden)");` to the top of the `build.rs`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `hide`
[INFO] [stderr]   --> src/tests.rs:55:7
[INFO] [stderr]    |
[INFO] [stderr] 55 | #[cfg(hide)]
[INFO] [stderr]    |       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(hide)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `calcu_rs::e_graph::*`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use calcu_rs::e_graph::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `calcu_rs` (lib test) generated 13 warnings (11 duplicates)
[INFO] [stderr] warning: `calcu_rs` (bin "calcu_rs" test) generated 2 warnings (run `cargo fix --bin "calcu_rs" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/calcu_rs-dab7dd0ca7aeb518)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test tests::test_operators::add::c_4_2_0_c_2_10_expects ... ok
[INFO] [stdout] test tests::test_operators::add::c_2_3_c_5_1_expects ... ok
[INFO] [stdout] test tests::test_operators::add::c_3_1_2_c_5_2_4_expects ... ok
[INFO] [stdout] test tests::test_operators::div::c_0_0_c_undef_1_expects ... ok
[INFO] [stdout] test tests::test_operators::add::c_1_2_1_2_c_1_2_expects ... ok
[INFO] [stdout] test tests::test_operators::div::c_1_3_c_1_3_5_expects ... ok
[INFO] [stdout] test tests::test_operators::div::c_0_5_c_0_2_expects ... ok
[INFO] [stdout] test tests::test_operators::add::c_x_x_c_x_2_3_expects ... ok
[INFO] [stdout] test tests::test_operators::mul::c_1_0_c_0_2_expects ... ok
[INFO] [stdout] test tests::test_operators::div::c_5_5_c_1_4_expects ... ok
[INFO] [stdout] test tests::test_operators::div::c_5_0_c_undef_3_expects ... ok
[INFO] [stdout] test tests::test_operators::mul::c_1_2_1_2_c_1_4_5_expects ... ok
[INFO] [stdout] test tests::test_operators::div::c_x_x_c_1_6_expects ... ok
[INFO] [stdout] test tests::test_operators::mul::c_1_3_c_0_c_0_3_expects ... ok
[INFO] [stdout] test tests::test_operators::mul::c_3_1_2_c_3_2_4_expects ... ok
[INFO] [stdout] test tests::test_operators::mul::c_1_3_c_3_1_expects ... ok
[INFO] [stdout] test tests::test_operators::pow::c_0_0_c_undef_3_expects ... ok
[INFO] [stdout] test tests::test_operators::pow::c_0_3_4_c_0_5_expects ... ok
[INFO] [stdout] test tests::test_operators::pow::c_0_3_4_c_undef_4_expects ... ok
[INFO] [stdout] test tests::test_operators::pow::c_1_1_100_c_1_1_expects ... ok
[INFO] [stdout] test tests::test_operators::pow::c_1_2_1_c_4_2_6_expects ... ok
[INFO] [stdout] test tests::test_operators::pow::c_4_1_c_4_2_expects ... ok
[INFO] [stdout] test tests::test_operators::pow::c_x_2_3_c_x_6_7_expects ... ok
[INFO] [stdout] test tests::test_operators::sub::c_1_2_1_2_c_0_3_expects ... ok
[INFO] [stdout] test tests::test_rational::exprs ... ok
[INFO] [stdout] test tests::test_operators::sub::c_1_3_c_4_1_expects ... ok
[INFO] [stdout] test tests::test_operators::sub::c_3_1_2_c_7_2_2_expects ... ok
[INFO] [stdout] test tests::test_operators::pow::c_x_y_2_c_x_2_2_x_y_y_2_8_expects ... ok
[INFO] [stdout] test tests::test_operators::div::c_x_x_x_1_x_c_x_x_x_x_x_8_expects ... FAILED
[INFO] [stdout] test tests::test_operators::div::c_x_x_x_x_c_x_1_7_expects ... FAILED
[INFO] [stdout] test tests::test_operators::polynom::c_x_x_2_3_x_4_3_c_4_3_x_2_2_3_x_1_expects ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_operators::div::c_x_x_x_1_x_c_x_x_x_x_x_8_expects stdout ----
[INFO] [stdout] thread 'tests::test_operators::div::c_x_x_x_1_x_c_x_x_x_x_x_8_expects' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/egg-0.9.5/src/explain.rs:1003:21:
[INFO] [stdout] Cycle in existance!
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5570e4f21dc5 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5570e4f21dc5 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5570e4f21dc5 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5570e4f21dc5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5570e4f48bcb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5570e4f48bcb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5570e4f1f6af - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5570e4f21b9e - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5570e4f21b9e - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5570e4f23509 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x5570e4f2325c - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5570e4dff57f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5570e4dff57f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5570e4f23b0b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5570e4f23b0b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5570e4db0ef8 - std::panicking::begin_panic::{{closure}}::h6a07c3628101a178
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:694:9
[INFO] [stdout]   16:     0x5570e4db0e5a - std::sys_common::backtrace::__rust_end_short_backtrace::hf50be0638ee2f448
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5570e4db0e97 - std::panicking::begin_panic::h151dc60ce3cdc45d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:693:12
[INFO] [stdout]   18:     0x5570e4d7e24e - egg::explain::Explain<L>::check_each_explain::ha50049ae2f1f406c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/egg-0.9.5/src/explain.rs:1003:21
[INFO] [stdout]   19:     0x5570e4d5d7f4 - egg::egraph::EGraph<L,N>::check_each_explain::haa93ea3c030bdacf
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/egg-0.9.5/src/egraph.rs:1153:13
[INFO] [stdout]   20:     0x5570e4d4cf76 - egg::run::Runner<L,N,IterData>::run_one::h7ba8997cc607140a
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/egg-0.9.5/src/run.rs:578:27
[INFO] [stdout]   21:     0x5570e4d4bcac - egg::run::Runner<L,N,IterData>::run::hdb698ef68374311e
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/egg-0.9.5/src/run.rs:416:24
[INFO] [stdout]   22:     0x5570e4d3c20a - calcu_rs::e_graph::GraphExpr::analyse::h2604bda8038f0437
[INFO] [stdout]                                at /opt/rustwide/workdir/src/e_graph.rs:276:22
[INFO] [stdout]   23:     0x5570e4da0488 - calcu_rs::expression::Expr::simplify::h5a60d0346b711342
[INFO] [stdout]                                at /opt/rustwide/workdir/src/expression.rs:87:24
[INFO] [stdout]   24:     0x5570e4da57db - calcu_rs::tests::test_operators::div::h95a121a9a2e9c41d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:157:19
[INFO] [stdout]   25:     0x5570e4d6f6f4 - calcu_rs::tests::test_operators::div::c_x_x_x_1_x_c_x_x_x_x_x_8_expects::ha7aeb7579b5d2ce7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:148:5
[INFO] [stdout]   26:     0x5570e4d6efb7 - calcu_rs::tests::test_operators::div::c_x_x_x_1_x_c_x_x_x_x_x_8_expects::{{closure}}::h38b80a3d9c59c1a7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:148:42
[INFO] [stdout]   27:     0x5570e4d75626 - core::ops::function::FnOnce::call_once::hc5dd0eea08884e13
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5570e4e03e9b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5570e4e03e9b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   30:     0x5570e4e03561 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   31:     0x5570e4e03561 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   32:     0x5570e4e03561 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   33:     0x5570e4e03561 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   34:     0x5570e4e03561 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   35:     0x5570e4e03561 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   36:     0x5570e4e03561 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   37:     0x5570e4dcbf34 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   38:     0x5570e4dcbf34 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   39:     0x5570e4dd0a02 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   40:     0x5570e4dd0a02 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   41:     0x5570e4dd0a02 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   42:     0x5570e4dd0a02 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   43:     0x5570e4dd0a02 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   44:     0x5570e4dd0a02 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   45:     0x5570e4dd0a02 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5570e4f27deb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   47:     0x5570e4f27deb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   48:     0x5570e4f27deb - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   49:     0x7f0150ca4ac3 - <unknown>
[INFO] [stdout]   50:     0x7f0150d35a04 - __clone
[INFO] [stdout]   51:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_operators::div::c_x_x_x_x_c_x_1_7_expects stdout ----
[INFO] [stdout] thread 'tests::test_operators::div::c_x_x_x_x_c_x_1_7_expects' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/egg-0.9.5/src/explain.rs:1003:21:
[INFO] [stdout] Cycle in existance!
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5570e4f21dc5 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5570e4f21dc5 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5570e4f21dc5 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5570e4f21dc5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5570e4f48bcb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5570e4f48bcb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5570e4f1f6af - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5570e4f21b9e - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5570e4f21b9e - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5570e4f23509 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x5570e4f2325c - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5570e4dff57f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5570e4dff57f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5570e4f23b0b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5570e4f23b0b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5570e4db0ef8 - std::panicking::begin_panic::{{closure}}::h6a07c3628101a178
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:694:9
[INFO] [stdout]   16:     0x5570e4db0e5a - std::sys_common::backtrace::__rust_end_short_backtrace::hf50be0638ee2f448
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5570e4db0e97 - std::panicking::begin_panic::h151dc60ce3cdc45d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:693:12
[INFO] [stdout]   18:     0x5570e4d7e24e - egg::explain::Explain<L>::check_each_explain::ha50049ae2f1f406c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/egg-0.9.5/src/explain.rs:1003:21
[INFO] [stdout]   19:     0x5570e4d5d7f4 - egg::egraph::EGraph<L,N>::check_each_explain::haa93ea3c030bdacf
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/egg-0.9.5/src/egraph.rs:1153:13
[INFO] [stdout]   20:     0x5570e4d4cf76 - egg::run::Runner<L,N,IterData>::run_one::h7ba8997cc607140a
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/egg-0.9.5/src/run.rs:578:27
[INFO] [stdout]   21:     0x5570e4d4bcac - egg::run::Runner<L,N,IterData>::run::hdb698ef68374311e
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/egg-0.9.5/src/run.rs:416:24
[INFO] [stdout]   22:     0x5570e4d3c20a - calcu_rs::e_graph::GraphExpr::analyse::h2604bda8038f0437
[INFO] [stdout]                                at /opt/rustwide/workdir/src/e_graph.rs:276:22
[INFO] [stdout]   23:     0x5570e4da0488 - calcu_rs::expression::Expr::simplify::h5a60d0346b711342
[INFO] [stdout]                                at /opt/rustwide/workdir/src/expression.rs:87:24
[INFO] [stdout]   24:     0x5570e4da57db - calcu_rs::tests::test_operators::div::h95a121a9a2e9c41d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:157:19
[INFO] [stdout]   25:     0x5570e4d6ef2e - calcu_rs::tests::test_operators::div::c_x_x_x_x_c_x_1_7_expects::hfd1f1fce91b9e791
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:148:5
[INFO] [stdout]   26:     0x5570e4d6eb07 - calcu_rs::tests::test_operators::div::c_x_x_x_x_c_x_1_7_expects::{{closure}}::h4983e49faad42e71
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:148:42
[INFO] [stdout]   27:     0x5570e4d74576 - core::ops::function::FnOnce::call_once::h203950537083289c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5570e4e03e9b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5570e4e03e9b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   30:     0x5570e4e03561 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   31:     0x5570e4e03561 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   32:     0x5570e4e03561 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   33:     0x5570e4e03561 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   34:     0x5570e4e03561 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   35:     0x5570e4e03561 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   36:     0x5570e4e03561 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   37:     0x5570e4dcbf34 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   38:     0x5570e4dcbf34 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   39:     0x5570e4dd0a02 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   40:     0x5570e4dd0a02 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   41:     0x5570e4dd0a02 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   42:     0x5570e4dd0a02 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   43:     0x5570e4dd0a02 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   44:     0x5570e4dd0a02 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   45:     0x5570e4dd0a02 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5570e4f27deb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   47:     0x5570e4f27deb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   48:     0x5570e4f27deb - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   49:     0x7f0150ca4ac3 - <unknown>
[INFO] [stdout]   50:     0x7f0150d35a04 - __clone
[INFO] [stdout]   51:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_operators::div::c_x_x_x_1_x_c_x_x_x_x_x_8_expects
[INFO] [stdout]     tests::test_operators::div::c_x_x_x_x_c_x_1_7_expects
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 29 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.24s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "acc61fc3e0961f8d7bbc1b554bf25ae3512d618a58fdf69b4935941b4db21d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acc61fc3e0961f8d7bbc1b554bf25ae3512d618a58fdf69b4935941b4db21d15", kill_on_drop: false }`
[INFO] [stdout] acc61fc3e0961f8d7bbc1b554bf25ae3512d618a58fdf69b4935941b4db21d15
