[INFO] fetching crate esc 0.2.2...
[INFO] testing esc-0.2.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate esc 0.2.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate esc 0.2.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate esc 0.2.2
[INFO] finished tweaking crates.io crate esc 0.2.2
[INFO] tweaked toml for crates.io crate esc 0.2.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate esc 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] f5a3d159dc2dec77f1fc73eab961a8f6452bf00db60251841867d084b6937d87
[INFO] running `Command { std: "docker" "start" "-a" "f5a3d159dc2dec77f1fc73eab961a8f6452bf00db60251841867d084b6937d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5a3d159dc2dec77f1fc73eab961a8f6452bf00db60251841867d084b6937d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5a3d159dc2dec77f1fc73eab961a8f6452bf00db60251841867d084b6937d87", kill_on_drop: false }`
[INFO] [stdout] f5a3d159dc2dec77f1fc73eab961a8f6452bf00db60251841867d084b6937d87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--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] eeb19d2fd4d36abd19fef75c1fd669840de4c71a34a64960b6606b09e7c38a05
[INFO] running `Command { std: "docker" "start" "-a" "eeb19d2fd4d36abd19fef75c1fd669840de4c71a34a64960b6606b09e7c38a05", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling structopt v0.3.23
[INFO] [stderr]    Compiling snailquote v0.3.0
[INFO] [stderr]    Compiling esc v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.09s
[INFO] running `Command { std: "docker" "inspect" "eeb19d2fd4d36abd19fef75c1fd669840de4c71a34a64960b6606b09e7c38a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb19d2fd4d36abd19fef75c1fd669840de4c71a34a64960b6606b09e7c38a05", kill_on_drop: false }`
[INFO] [stdout] eeb19d2fd4d36abd19fef75c1fd669840de4c71a34a64960b6606b09e7c38a05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc80c088c6e4810a4d875c883c1eb4ecc9261e60d9b8766f7c2563458e57e141
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bc80c088c6e4810a4d875c883c1eb4ecc9261e60d9b8766f7c2563458e57e141", kill_on_drop: false }`
[INFO] [stderr]    Compiling esc v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "bc80c088c6e4810a4d875c883c1eb4ecc9261e60d9b8766f7c2563458e57e141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc80c088c6e4810a4d875c883c1eb4ecc9261e60d9b8766f7c2563458e57e141", kill_on_drop: false }`
[INFO] [stdout] bc80c088c6e4810a4d875c883c1eb4ecc9261e60d9b8766f7c2563458e57e141
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 03323240a154b085fc5d544faf37caff2c023f15e6981e4eebb4b19a68aebdd5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "03323240a154b085fc5d544faf37caff2c023f15e6981e4eebb4b19a68aebdd5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/esc-d252d0f06043431e)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "03323240a154b085fc5d544faf37caff2c023f15e6981e4eebb4b19a68aebdd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03323240a154b085fc5d544faf37caff2c023f15e6981e4eebb4b19a68aebdd5", kill_on_drop: false }`
[INFO] [stdout] 03323240a154b085fc5d544faf37caff2c023f15e6981e4eebb4b19a68aebdd5