[INFO] fetching crate cas-compute 0.2.0...
[INFO] testing cas-compute-0.2.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065
[INFO] extracting crate cas-compute 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate cas-compute 0.2.0
[INFO] finished tweaking crates.io crate cas-compute 0.2.0
[INFO] tweaked toml for crates.io crate cas-compute 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cas-compute 0.2.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cas-compute 0.2.0 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f96eebe8574d39047708a5d3a1ec8a22625408de09dd454fabd3311705c77ab2
[INFO] running `Command { std: "docker" "start" "-a" "f96eebe8574d39047708a5d3a1ec8a22625408de09dd454fabd3311705c77ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f96eebe8574d39047708a5d3a1ec8a22625408de09dd454fabd3311705c77ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f96eebe8574d39047708a5d3a1ec8a22625408de09dd454fabd3311705c77ab2", kill_on_drop: false }`
[INFO] [stdout] f96eebe8574d39047708a5d3a1ec8a22625408de09dd454fabd3311705c77ab2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10d7c34d96543c5f2d1a73a5f25983272c78f23891b6f33223f6d4704baf0bd4
[INFO] running `Command { std: "docker" "start" "-a" "10d7c34d96543c5f2d1a73a5f25983272c78f23891b6f33223f6d4704baf0bd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling rug v1.24.1
[INFO] [stderr]    Compiling levenshtein v1.0.5
[INFO] [stderr]    Compiling ariadne v0.2.0
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling cas-error v0.2.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling logos-codegen v0.14.4
[INFO] [stderr]    Compiling cas-attrs v0.2.0
[INFO] [stderr]    Compiling logos-derive v0.14.4
[INFO] [stderr]    Compiling logos v0.14.4
[INFO] [stderr]    Compiling cas-parser v0.2.0
[INFO] [stderr]    Compiling cas-compute v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/symbolic/simplify/mod.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut current_complexity = complexity(&expr);
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_complexity`
[INFO] [stdout]   --> src/symbolic/simplify/mod.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut current_complexity = complexity(&expr);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_complexity`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `changed_in_this_pass` is assigned to, but never used
[INFO] [stdout]   --> src/symbolic/simplify/mod.rs:92:25
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     let mut changed_in_this_pass = false;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_changed_in_this_pass` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `changed_in_this_pass` is never read
[INFO] [stdout]   --> src/symbolic/simplify/mod.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             changed_in_this_pass = true;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `changed_in_this_pass` is never read
[INFO] [stdout]   --> src/symbolic/simplify/mod.rs:96:25
[INFO] [stdout]    |
[INFO] [stdout] 96 |                         changed_in_this_pass |= result.1;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/numerical/value.rs:246:16
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn fmt(&self, options: FormatOptions) -> ValueFormatter {
[INFO] [stdout]     |                ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn fmt(&self, options: FormatOptions) -> ValueFormatter<'_> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/symbolic/expr/mod.rs:422:28
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn post_order_iter(&self) -> ExprIter {
[INFO] [stdout]     |                            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn post_order_iter(&self) -> ExprIter<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5m 07s
[INFO] running `Command { std: "docker" "inspect" "10d7c34d96543c5f2d1a73a5f25983272c78f23891b6f33223f6d4704baf0bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10d7c34d96543c5f2d1a73a5f25983272c78f23891b6f33223f6d4704baf0bd4", kill_on_drop: false }`
[INFO] [stdout] 10d7c34d96543c5f2d1a73a5f25983272c78f23891b6f33223f6d4704baf0bd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bb17989be2979a0f8b5958fe05adfc45f9f1ef55113238814ce0e7a35760af7
[INFO] running `Command { std: "docker" "start" "-a" "0bb17989be2979a0f8b5958fe05adfc45f9f1ef55113238814ce0e7a35760af7", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling assert_float_eq v1.1.3
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/symbolic/simplify/mod.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut current_complexity = complexity(&expr);
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_complexity`
[INFO] [stdout]   --> src/symbolic/simplify/mod.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut current_complexity = complexity(&expr);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_complexity`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `changed_in_this_pass` is assigned to, but never used
[INFO] [stdout]   --> src/symbolic/simplify/mod.rs:92:25
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     let mut changed_in_this_pass = false;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_changed_in_this_pass` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `changed_in_this_pass` is never read
[INFO] [stdout]   --> src/symbolic/simplify/mod.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             changed_in_this_pass = true;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `changed_in_this_pass` is never read
[INFO] [stdout]   --> src/symbolic/simplify/mod.rs:96:25
[INFO] [stdout]    |
[INFO] [stdout] 96 |                         changed_in_this_pass |= result.1;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/numerical/value.rs:246:16
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn fmt(&self, options: FormatOptions) -> ValueFormatter {
[INFO] [stdout]     |                ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn fmt(&self, options: FormatOptions) -> ValueFormatter<'_> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/symbolic/expr/mod.rs:422:28
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn post_order_iter(&self) -> ExprIter {
[INFO] [stdout]     |                            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn post_order_iter(&self) -> ExprIter<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pretty_assertions v1.4.0
[INFO] [stderr]    Compiling cas-compute v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::symbolic::simplify`
[INFO] [stdout]    --> src/symbolic/expr/mod.rs:869:9
[INFO] [stdout]     |
[INFO] [stdout] 869 |     use crate::symbolic::simplify;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/symbolic/simplify/mod.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut current_complexity = complexity(&expr);
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_complexity`
[INFO] [stdout]   --> src/symbolic/simplify/mod.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut current_complexity = complexity(&expr);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_complexity`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `changed_in_this_pass` is assigned to, but never used
[INFO] [stdout]   --> src/symbolic/simplify/mod.rs:92:25
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     let mut changed_in_this_pass = false;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_changed_in_this_pass` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `changed_in_this_pass` is never read
[INFO] [stdout]   --> src/symbolic/simplify/mod.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             changed_in_this_pass = true;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `changed_in_this_pass` is never read
[INFO] [stdout]   --> src/symbolic/simplify/mod.rs:96:25
[INFO] [stdout]    |
[INFO] [stdout] 96 |                         changed_in_this_pass |= result.1;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/numerical/value.rs:246:16
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn fmt(&self, options: FormatOptions) -> ValueFormatter {
[INFO] [stdout]     |                ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn fmt(&self, options: FormatOptions) -> ValueFormatter<'_> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/symbolic/expr/mod.rs:422:28
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn post_order_iter(&self) -> ExprIter {
[INFO] [stdout]     |                            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn post_order_iter(&self) -> ExprIter<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `Command { std: "docker" "inspect" "0bb17989be2979a0f8b5958fe05adfc45f9f1ef55113238814ce0e7a35760af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb17989be2979a0f8b5958fe05adfc45f9f1ef55113238814ce0e7a35760af7", kill_on_drop: false }`
[INFO] [stdout] 0bb17989be2979a0f8b5958fe05adfc45f9f1ef55113238814ce0e7a35760af7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1cdf08e1d00b6dfa98a64b5728f36ef66b8724fd14bbfa1f62add461e75d252b
[INFO] running `Command { std: "docker" "start" "-a" "1cdf08e1d00b6dfa98a64b5728f36ef66b8724fd14bbfa1f62add461e75d252b", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/symbolic/simplify/mod.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let mut current_complexity = complexity(&expr);
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current_complexity`
[INFO] [stderr]   --> src/symbolic/simplify/mod.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let mut current_complexity = complexity(&expr);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_complexity`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `changed_in_this_pass` is assigned to, but never used
[INFO] [stderr]   --> src/symbolic/simplify/mod.rs:92:25
[INFO] [stderr]    |
[INFO] [stderr] 92 |                     let mut changed_in_this_pass = false;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_changed_in_this_pass` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `changed_in_this_pass` is never read
[INFO] [stderr]   --> src/symbolic/simplify/mod.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |             changed_in_this_pass = true;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `changed_in_this_pass` is never read
[INFO] [stderr]   --> src/symbolic/simplify/mod.rs:96:25
[INFO] [stderr]    |
[INFO] [stderr] 96 |                         changed_in_this_pass |= result.1;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/numerical/value.rs:246:16
[INFO] [stderr]     |
[INFO] [stderr] 246 |     pub fn fmt(&self, options: FormatOptions) -> ValueFormatter {
[INFO] [stderr]     |                ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 246 |     pub fn fmt(&self, options: FormatOptions) -> ValueFormatter<'_> {
[INFO] [stderr]     |                                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/symbolic/expr/mod.rs:422:28
[INFO] [stderr]     |
[INFO] [stderr] 422 |     pub fn post_order_iter(&self) -> ExprIter {
[INFO] [stderr]     |                            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 422 |     pub fn post_order_iter(&self) -> ExprIter<'_> {
[INFO] [stderr]     |                                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::symbolic::simplify`
[INFO] [stderr]    --> src/symbolic/expr/mod.rs:869:9
[INFO] [stderr]     |
[INFO] [stderr] 869 |     use crate::symbolic::simplify;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cas-compute` (lib) generated 7 warnings (run `cargo fix --lib -p cas-compute` to apply 4 suggestions)
[INFO] [stderr] warning: `cas-compute` (lib test) generated 8 warnings (7 duplicates) (run `cargo fix --lib -p cas-compute --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cas_compute-f761ff785d9ad273)
[INFO] [stdout] 
[INFO] [stdout] running 56 tests
[INFO] [stdout] test numerical::fmt::tests::complex_imaginary_edge ... ok
[INFO] [stdout] test numerical::fmt::tests::highly_precise_complex ... ok
[INFO] [stdout] test numerical::fmt::tests::highly_precise_decimal_2 ... ok
[INFO] [stdout] test numerical::fmt::tests::highly_precise_scientific ... ok
[INFO] [stdout] test numerical::fmt::tests::highly_precise_scientific_2 ... ok
[INFO] [stdout] test numerical::fmt::tests::scientific_e ... ok
[INFO] [stdout] test symbolic::expr::tests::simple_expr ... ok
[INFO] [stdout] test symbolic::expr::tests::strict_equality ... ok
[INFO] [stdout] test symbolic::simplify::tests::add_fractions ... ok
[INFO] [stdout] test symbolic::expr::tests::complicated_expr_2 ... ok
[INFO] [stdout] test numerical::fmt::tests::trailing_zeroes_2 ... ok
[INFO] [stdout] test symbolic::expr::tests::strict_equality_2 ... ok
[INFO] [stdout] test symbolic::expr::tests::complicated_expr ... ok
[INFO] [stdout] test symbolic::expr::tests::fmt_expr ... ok
[INFO] [stdout] test symbolic::simplify::tests::combine_like_factors ... ok
[INFO] [stdout] test symbolic::simplify::tests::add_rules ... ok
[INFO] [stdout] test symbolic::expr::tests::non_commutative_hashing ... ok
[INFO] [stdout] test symbolic::simplify::tests::combine_like_factors_decimals ... ok
[INFO] [stdout] test numerical::fmt::tests::highly_precise_decimal ... ok
[INFO] [stdout] test symbolic::simplify::tests::combine_like_factors_mul_numbers ... ok
[INFO] [stdout] test symbolic::expr::tests::same_symbols_not_eq ... ok
[INFO] [stdout] test numerical::fmt::tests::complex_imaginary_part ... ok
[INFO] [stdout] test primitive::tests::radix_eval ... ok
[INFO] [stdout] test symbolic::expr::tests::factors_only ... ok
[INFO] [stdout] test symbolic::simplify::tests::add_fractions_with_factors ... ok
[INFO] [stdout] test numerical::fmt::tests::highly_precise_decimal_3 ... ok
[INFO] [stdout] test numerical::fmt::tests::trailing_zeroes ... ok
[INFO] [stdout] test symbolic::simplify::tests::combine_like_factors_strict_eq ... ok
[INFO] [stdout] test symbolic::simplify::tests::combine_like_terms_decimals ... ok
[INFO] [stdout] test symbolic::simplify::tests::combine_like_terms_mixed_number_types_2 ... ok
[INFO] [stdout] test symbolic::simplify::tests::multiply_rules ... ok
[INFO] [stdout] test symbolic::simplify::tests::power_rules_2 ... ok
[INFO] [stdout] test symbolic::simplify::tests::power_rules_3a ... ok
[INFO] [stdout] test symbolic::simplify::tests::combine_like_terms ... ok
[INFO] [stdout] test symbolic::simplify::tests::combine_like_terms_mixed_number_types ... ok
[INFO] [stdout] test symbolic::simplify::tests::distribute ... ok
[INFO] [stdout] test symbolic::simplify::tests::distribute_2 ... ok
[INFO] [stdout] test symbolic::simplify::tests::complicated_combine_like_factors ... ok
[INFO] [stdout] test symbolic::simplify::tests::expand_and_reduce ... ok
[INFO] [stdout] test symbolic::simplify::tests::power_rules_3b ... ok
[INFO] [stdout] test symbolic::simplify::tests::multiply_rules_2 ... ok
[INFO] [stdout] test symbolic::simplify::tests::power_rules ... ok
[INFO] [stdout] test symbolic::simplify::tests::power_rule_steps ... ok
[INFO] [stdout] test symbolic::simplify::tests::combine_like_terms_2 ... ok
[INFO] [stdout] test symbolic::simplify::tests::radicals ... ok
[INFO] [stdout] test symbolic::simplify::tests::simple_combine_like_factors ... ok
[INFO] [stdout] test symbolic::simplify::tests::root_rules ... ok
[INFO] [stdout] test symbolic::simplify::tests::trigonometric_sine ... ok
[INFO] [stdout] test symbolic::simplify::tests::combine_like_terms_3 ... ok
[INFO] [stdout] test symbolic::simplify::tests::imaginary_num ... ok
[INFO] [stdout] test symbolic::simplify::tests::trigonometric_sine_2 ... ok
[INFO] [stdout] test symbolic::expr::tests::commutative_hashing ... ok
[INFO] [stdout] test symbolic::simplify::tests::trigonometric_tangent_table ... ok
[INFO] [stdout] test symbolic::simplify::tests::trigonometric_cosine_table ... ok
[INFO] [stdout] test symbolic::simplify::tests::trigonometric_sine_table ... ok
[INFO] [stdout] test symbolic::expr::tests::fmt_expr_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 56 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cas_compute
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/funcs/mod.rs - funcs (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 58) ... ok
[INFO] [stdout] test src/symbolic/mod.rs - symbolic (line 24) ... ok
[INFO] [stdout] test src/symbolic/mod.rs - symbolic (line 58) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1cdf08e1d00b6dfa98a64b5728f36ef66b8724fd14bbfa1f62add461e75d252b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cdf08e1d00b6dfa98a64b5728f36ef66b8724fd14bbfa1f62add461e75d252b", kill_on_drop: false }`
[INFO] [stdout] 1cdf08e1d00b6dfa98a64b5728f36ef66b8724fd14bbfa1f62add461e75d252b
