[INFO] fetching crate autotrait 0.2.3...
[INFO] checking autotrait-0.2.3 against master#cf79d034aa3d8f396d407aafce6f1ccd818e710e for pr-155657
[INFO] extracting crate autotrait 0.2.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate autotrait 0.2.3
[INFO] finished tweaking crates.io crate autotrait 0.2.3
[INFO] tweaked toml for crates.io crate autotrait 0.2.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate autotrait 0.2.3 on toolchain cf79d034aa3d8f396d407aafce6f1ccd818e710e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate autotrait 0.2.3 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" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mutants v0.0.3
[INFO] [stderr]   Downloaded unsynn v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1deaf091fa214e7206f67410f1d755552403a9f591e3fa14d804059636f2d29
[INFO] running `Command { std: "docker" "start" "-a" "c1deaf091fa214e7206f67410f1d755552403a9f591e3fa14d804059636f2d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1deaf091fa214e7206f67410f1d755552403a9f591e3fa14d804059636f2d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1deaf091fa214e7206f67410f1d755552403a9f591e3fa14d804059636f2d29", kill_on_drop: false }`
[INFO] [stdout] c1deaf091fa214e7206f67410f1d755552403a9f591e3fa14d804059636f2d29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 052210790e7ce87d8569a113cb5547438114e3c096048ae716e5294bc77ea191
[INFO] running `Command { std: "docker" "start" "-a" "052210790e7ce87d8569a113cb5547438114e3c096048ae716e5294bc77ea191", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking unsynn v0.3.0
[INFO] [stderr]     Checking autotrait v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "052210790e7ce87d8569a113cb5547438114e3c096048ae716e5294bc77ea191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "052210790e7ce87d8569a113cb5547438114e3c096048ae716e5294bc77ea191", kill_on_drop: false }`
[INFO] [stdout] 052210790e7ce87d8569a113cb5547438114e3c096048ae716e5294bc77ea191
