[INFO] cloning repository https://github.com/awoimbee-42/computor-v1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/awoimbee-42/computor-v1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawoimbee-42%2Fcomputor-v1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawoimbee-42%2Fcomputor-v1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb2aae71922c2c09afe05eb7fff0bc11628a75d8
[INFO] checking awoimbee-42/computor-v1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawoimbee-42%2Fcomputor-v1" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/awoimbee-42/computor-v1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/awoimbee-42/computor-v1
[INFO] finished tweaking git repo https://github.com/awoimbee-42/computor-v1
[INFO] tweaked toml for git repo https://github.com/awoimbee-42/computor-v1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/awoimbee-42/computor-v1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6336ad6576ddc24f4da7ce1091cf3f0b4695cbad4d38bfae8fa322f360e49a85
[INFO] running `Command { std: "docker" "start" "-a" "6336ad6576ddc24f4da7ce1091cf3f0b4695cbad4d38bfae8fa322f360e49a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6336ad6576ddc24f4da7ce1091cf3f0b4695cbad4d38bfae8fa322f360e49a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6336ad6576ddc24f4da7ce1091cf3f0b4695cbad4d38bfae8fa322f360e49a85", kill_on_drop: false }`
[INFO] [stdout] 6336ad6576ddc24f4da7ce1091cf3f0b4695cbad4d38bfae8fa322f360e49a85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ad0eec88752ef30cedb168a8a7b3ecf136d9902fd3051b329e1b90eb392996f1
[INFO] running `Command { std: "docker" "start" "-a" "ad0eec88752ef30cedb168a8a7b3ecf136d9902fd3051b329e1b90eb392996f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking rustyline v6.2.0
[INFO] [stderr]     Checking computor-v1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops`
[INFO] [stdout]  --> src/types/value/var.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/parsing/lexer.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops`
[INFO] [stdout]  --> src/types/value/var.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:203:27
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn try_mul(&mut self, rhs: &mut Expr) -> Option<Self::Output> {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:209:27
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn try_mul(&mut self, rhs: &mut Var) -> Option<Self::Output> {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:215:27
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn try_mul(&mut self, rhs: &mut Num) -> Option<Self::Output> {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:234:27
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn try_div(&mut self, rhs: &mut Expr) -> Option<Self::Output> {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:240:27
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn try_div(&mut self, rhs: &mut Var) -> Option<Self::Output> {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:246:27
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn try_div(&mut self, rhs: &mut Num) -> Option<Self::Output> {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:265:27
[INFO] [stdout]     |
[INFO] [stdout] 265 |     fn try_pow(&mut self, rhs: &mut Expr) -> Option<Self::Output> {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:271:27
[INFO] [stdout]     |
[INFO] [stdout] 271 |     fn try_pow(&mut self, rhs: &mut Var) -> Option<Self::Output> {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:277:27
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fn try_pow(&mut self, rhs: &mut Num) -> Option<Self::Output> {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:203:27
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn try_mul(&mut self, rhs: &mut Expr) -> Option<Self::Output> {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:209:27
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn try_mul(&mut self, rhs: &mut Var) -> Option<Self::Output> {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:215:27
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn try_mul(&mut self, rhs: &mut Num) -> Option<Self::Output> {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:234:27
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn try_div(&mut self, rhs: &mut Expr) -> Option<Self::Output> {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:240:27
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn try_div(&mut self, rhs: &mut Var) -> Option<Self::Output> {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:246:27
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn try_div(&mut self, rhs: &mut Num) -> Option<Self::Output> {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:265:27
[INFO] [stdout]     |
[INFO] [stdout] 265 |     fn try_pow(&mut self, rhs: &mut Expr) -> Option<Self::Output> {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:271:27
[INFO] [stdout]     |
[INFO] [stdout] 271 |     fn try_pow(&mut self, rhs: &mut Var) -> Option<Self::Output> {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:277:27
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fn try_pow(&mut self, rhs: &mut Num) -> Option<Self::Output> {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `simplify`
[INFO] [stdout]   --> src/types/value/var.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn simplify(self) -> Value {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vars`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     vars: HashMap<String, Num>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `funs`
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     funs: HashMap<String, Expr>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TEST_TXT`
[INFO] [stdout]   --> src/parsing/lexer.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     const TEST_TXT: &str = "this is a test string";
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `simplify`
[INFO] [stdout]   --> src/types/value/var.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn simplify(self) -> Value {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vars`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     vars: HashMap<String, Num>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `funs`
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     funs: HashMap<String, Expr>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.80s
[INFO] running `Command { std: "docker" "inspect" "ad0eec88752ef30cedb168a8a7b3ecf136d9902fd3051b329e1b90eb392996f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad0eec88752ef30cedb168a8a7b3ecf136d9902fd3051b329e1b90eb392996f1", kill_on_drop: false }`
[INFO] [stdout] ad0eec88752ef30cedb168a8a7b3ecf136d9902fd3051b329e1b90eb392996f1