[INFO] fetching crate coercion 0.1.0...
[INFO] testing coercion-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate coercion 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate coercion 0.1.0 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 coercion 0.1.0
[INFO] finished tweaking crates.io crate coercion 0.1.0
[INFO] tweaked toml for crates.io crate coercion 0.1.0 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] 894e50757557e80666798bf220d5d5f71d8b5cf8f79302b8380dade29178efa6
[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" "894e50757557e80666798bf220d5d5f71d8b5cf8f79302b8380dade29178efa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "894e50757557e80666798bf220d5d5f71d8b5cf8f79302b8380dade29178efa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "894e50757557e80666798bf220d5d5f71d8b5cf8f79302b8380dade29178efa6", kill_on_drop: false }`
[INFO] [stdout] 894e50757557e80666798bf220d5d5f71d8b5cf8f79302b8380dade29178efa6
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 35f7276ce23e28070e1aa51b154d701ac644e32f536c38abc05a6f76cbe58835
[INFO] running `Command { std: "docker" "start" "-a" "35f7276ce23e28070e1aa51b154d701ac644e32f536c38abc05a6f76cbe58835", kill_on_drop: false }`
[INFO] [stderr]    Compiling coercion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "35f7276ce23e28070e1aa51b154d701ac644e32f536c38abc05a6f76cbe58835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35f7276ce23e28070e1aa51b154d701ac644e32f536c38abc05a6f76cbe58835", kill_on_drop: false }`
[INFO] [stdout] 35f7276ce23e28070e1aa51b154d701ac644e32f536c38abc05a6f76cbe58835
[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] 7f1a3f69dd9510edf7e81608bfa59b9e625b9364ad59053a80a4dfeb0e3206ef
[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" "7f1a3f69dd9510edf7e81608bfa59b9e625b9364ad59053a80a4dfeb0e3206ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling coercion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "7f1a3f69dd9510edf7e81608bfa59b9e625b9364ad59053a80a4dfeb0e3206ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f1a3f69dd9510edf7e81608bfa59b9e625b9364ad59053a80a4dfeb0e3206ef", kill_on_drop: false }`
[INFO] [stdout] 7f1a3f69dd9510edf7e81608bfa59b9e625b9364ad59053a80a4dfeb0e3206ef
[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] c41b55d954a89ffb4dca3500344671faa4b33b37f606c3ac0b735060fd46a56d
[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" "c41b55d954a89ffb4dca3500344671faa4b33b37f606c3ac0b735060fd46a56d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/coercion-5503c842fdbce4c6)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test as_::tests::boxed_str_to_u8 ... ok
[INFO] [stdout] test coerce::tests::box_coercion ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test coerce::tests::boxed_slice_coercion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests coercion
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/coerce.rs - coerce::Coerce::coerce (line 33) ... ok
[INFO] [stdout] test src/as_.rs - as_::As::as_ (line 11) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c41b55d954a89ffb4dca3500344671faa4b33b37f606c3ac0b735060fd46a56d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c41b55d954a89ffb4dca3500344671faa4b33b37f606c3ac0b735060fd46a56d", kill_on_drop: false }`
[INFO] [stdout] c41b55d954a89ffb4dca3500344671faa4b33b37f606c3ac0b735060fd46a56d