[INFO] fetching crate thisenum-impl 0.2.2...
[INFO] building thisenum-impl-0.2.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate thisenum-impl 0.2.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate thisenum-impl 0.2.2
[INFO] finished tweaking crates.io crate thisenum-impl 0.2.2
[INFO] tweaked toml for crates.io crate thisenum-impl 0.2.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate thisenum-impl 0.2.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate thisenum-impl 0.2.2 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9156678468ac35b4a82829272dfcfaa8d15f5a71d78d8cf82e19e2277257610e
[INFO] running `Command { std: "docker" "start" "-a" "9156678468ac35b4a82829272dfcfaa8d15f5a71d78d8cf82e19e2277257610e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9156678468ac35b4a82829272dfcfaa8d15f5a71d78d8cf82e19e2277257610e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9156678468ac35b4a82829272dfcfaa8d15f5a71d78d8cf82e19e2277257610e", kill_on_drop: false }`
[INFO] [stdout] 9156678468ac35b4a82829272dfcfaa8d15f5a71d78d8cf82e19e2277257610e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d25d7c4b328bdca664fbfc3a44c476642cd3bc5c9eeb8ae462313b6d164ed09d
[INFO] running `Command { std: "docker" "start" "-a" "d25d7c4b328bdca664fbfc3a44c476642cd3bc5c9eeb8ae462313b6d164ed09d", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling syn v2.0.74
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unzip-n v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling thisenum-impl v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/prelude.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |         self.for_each(|item| (*counts.entry(item).or_insert(0_usize) += 1_usize));
[INFO] [stdout]    |                              ^                                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -         self.for_each(|item| (*counts.entry(item).or_insert(0_usize) += 1_usize));
[INFO] [stdout] 23 +         self.for_each(|item| *counts.entry(item).or_insert(0_usize) += 1_usize);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Unique` is never used
[INFO] [stdout]   --> src/prelude.rs:90:11
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub trait Unique<T> {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UniqueIndices` is never used
[INFO] [stdout]    --> src/prelude.rs:110:11
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub trait UniqueIndices<T> {
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.16s
[INFO] running `Command { std: "docker" "inspect" "d25d7c4b328bdca664fbfc3a44c476642cd3bc5c9eeb8ae462313b6d164ed09d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d25d7c4b328bdca664fbfc3a44c476642cd3bc5c9eeb8ae462313b6d164ed09d", kill_on_drop: false }`
[INFO] [stdout] d25d7c4b328bdca664fbfc3a44c476642cd3bc5c9eeb8ae462313b6d164ed09d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 724ab53b5061ba203250a7ff98fcec8c185535eeb4f7ec1d67f796af2e02346d
[INFO] running `Command { std: "docker" "start" "-a" "724ab53b5061ba203250a7ff98fcec8c185535eeb4f7ec1d67f796af2e02346d", kill_on_drop: false }`
[INFO] [stderr]    Compiling thisenum-impl v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/prelude.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |         self.for_each(|item| (*counts.entry(item).or_insert(0_usize) += 1_usize));
[INFO] [stdout]    |                              ^                                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -         self.for_each(|item| (*counts.entry(item).or_insert(0_usize) += 1_usize));
[INFO] [stdout] 23 +         self.for_each(|item| *counts.entry(item).or_insert(0_usize) += 1_usize);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/prelude.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |         self.for_each(|item| (*counts.entry(item).or_insert(0_usize) += 1_usize));
[INFO] [stdout]    |                              ^                                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -         self.for_each(|item| (*counts.entry(item).or_insert(0_usize) += 1_usize));
[INFO] [stdout] 23 +         self.for_each(|item| *counts.entry(item).or_insert(0_usize) += 1_usize);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Unique` is never used
[INFO] [stdout]   --> src/prelude.rs:90:11
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub trait Unique<T> {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UniqueIndices` is never used
[INFO] [stdout]    --> src/prelude.rs:110:11
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub trait UniqueIndices<T> {
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Unique` is never used
[INFO] [stdout]   --> src/prelude.rs:90:11
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub trait Unique<T> {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UniqueIndices` is never used
[INFO] [stdout]    --> src/prelude.rs:110:11
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub trait UniqueIndices<T> {
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "724ab53b5061ba203250a7ff98fcec8c185535eeb4f7ec1d67f796af2e02346d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "724ab53b5061ba203250a7ff98fcec8c185535eeb4f7ec1d67f796af2e02346d", kill_on_drop: false }`
[INFO] [stdout] 724ab53b5061ba203250a7ff98fcec8c185535eeb4f7ec1d67f796af2e02346d