[INFO] fetching crate escape 0.1.31...
[INFO] testing escape-0.1.31 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate escape 0.1.31 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate escape 0.1.31 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate escape 0.1.31
[INFO] finished tweaking crates.io crate escape 0.1.31
[INFO] tweaked toml for crates.io crate escape 0.1.31 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34dcb8ec3726b6cf130ccf6b15207b1635abb3f44d520dd241da35ffce129d48
[INFO] running `Command { std: "docker" "start" "-a" "34dcb8ec3726b6cf130ccf6b15207b1635abb3f44d520dd241da35ffce129d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34dcb8ec3726b6cf130ccf6b15207b1635abb3f44d520dd241da35ffce129d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34dcb8ec3726b6cf130ccf6b15207b1635abb3f44d520dd241da35ffce129d48", kill_on_drop: false }`
[INFO] [stdout] 34dcb8ec3726b6cf130ccf6b15207b1635abb3f44d520dd241da35ffce129d48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0794817faff0baaa0be1c8ef7577aae9a2e87447a7dbae175487da733a48034
[INFO] running `Command { std: "docker" "start" "-a" "e0794817faff0baaa0be1c8ef7577aae9a2e87447a7dbae175487da733a48034", kill_on_drop: false }`
[INFO] [stderr]    Compiling escape v0.1.31 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "e0794817faff0baaa0be1c8ef7577aae9a2e87447a7dbae175487da733a48034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0794817faff0baaa0be1c8ef7577aae9a2e87447a7dbae175487da733a48034", kill_on_drop: false }`
[INFO] [stdout] e0794817faff0baaa0be1c8ef7577aae9a2e87447a7dbae175487da733a48034
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75d828cebd943dd7b0864ccfb910a617de12f1b6bbd4cb2069f3955c6d26beee
[INFO] running `Command { std: "docker" "start" "-a" "75d828cebd943dd7b0864ccfb910a617de12f1b6bbd4cb2069f3955c6d26beee", kill_on_drop: false }`
[INFO] [stderr]    Compiling escape v0.1.31 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "75d828cebd943dd7b0864ccfb910a617de12f1b6bbd4cb2069f3955c6d26beee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d828cebd943dd7b0864ccfb910a617de12f1b6bbd4cb2069f3955c6d26beee", kill_on_drop: false }`
[INFO] [stdout] 75d828cebd943dd7b0864ccfb910a617de12f1b6bbd4cb2069f3955c6d26beee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 09bae7dc074cc5c5b72c5a8a4728afefe2e6ecfaf43bcaae36a0f442cbea83af
[INFO] running `Command { std: "docker" "start" "-a" "09bae7dc074cc5c5b72c5a8a4728afefe2e6ecfaf43bcaae36a0f442cbea83af", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/escape-bc1f4f248e6632b8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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" "09bae7dc074cc5c5b72c5a8a4728afefe2e6ecfaf43bcaae36a0f442cbea83af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09bae7dc074cc5c5b72c5a8a4728afefe2e6ecfaf43bcaae36a0f442cbea83af", kill_on_drop: false }`
[INFO] [stdout] 09bae7dc074cc5c5b72c5a8a4728afefe2e6ecfaf43bcaae36a0f442cbea83af