[INFO] cloning repository https://github.com/jmdaemon/optim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmdaemon/optim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmdaemon%2Foptim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmdaemon%2Foptim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 077454e69a8e546487c844ad57d20d1f9301a2d3
[INFO] building jmdaemon/optim against try#9a3ef2cd3ecaae3c6ef59768612837d797602a6d for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmdaemon%2Foptim" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmdaemon/optim on toolchain 9a3ef2cd3ecaae3c6ef59768612837d797602a6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmdaemon/optim
[INFO] finished tweaking git repo https://github.com/jmdaemon/optim
[INFO] tweaked toml for git repo https://github.com/jmdaemon/optim written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jmdaemon/optim 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" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ede17aea073df04cdec856884ab9c8cc02505316a244bd7b1a1fd1cf68504e62
[INFO] running `Command { std: "docker" "start" "-a" "ede17aea073df04cdec856884ab9c8cc02505316a244bd7b1a1fd1cf68504e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ede17aea073df04cdec856884ab9c8cc02505316a244bd7b1a1fd1cf68504e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ede17aea073df04cdec856884ab9c8cc02505316a244bd7b1a1fd1cf68504e62", kill_on_drop: false }`
[INFO] [stdout] ede17aea073df04cdec856884ab9c8cc02505316a244bd7b1a1fd1cf68504e62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37679eee2f674b6eb3727bb4a9aae7dc103f0af31807efa1c13475f1fe1cb80a
[INFO] running `Command { std: "docker" "start" "-a" "37679eee2f674b6eb3727bb4a9aae7dc103f0af31807efa1c13475f1fe1cb80a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libdeflater v0.7.5
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[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.100
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling crossbeam-channel v0.5.14
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[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling optim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]  --> src/optimizer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.23s
[INFO] running `Command { std: "docker" "inspect" "37679eee2f674b6eb3727bb4a9aae7dc103f0af31807efa1c13475f1fe1cb80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37679eee2f674b6eb3727bb4a9aae7dc103f0af31807efa1c13475f1fe1cb80a", kill_on_drop: false }`
[INFO] [stdout] 37679eee2f674b6eb3727bb4a9aae7dc103f0af31807efa1c13475f1fe1cb80a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] def467159d921827824cd91a980018fd2a89c33d43f1b636c6dcf1f3feb83e2e
[INFO] running `Command { std: "docker" "start" "-a" "def467159d921827824cd91a980018fd2a89c33d43f1b636c6dcf1f3feb83e2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling optim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]  --> src/optimizer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]  --> src/optimizer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "def467159d921827824cd91a980018fd2a89c33d43f1b636c6dcf1f3feb83e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "def467159d921827824cd91a980018fd2a89c33d43f1b636c6dcf1f3feb83e2e", kill_on_drop: false }`
[INFO] [stdout] def467159d921827824cd91a980018fd2a89c33d43f1b636c6dcf1f3feb83e2e