[INFO] fetching crate serial_pipe 0.1.0...
[INFO] testing serial_pipe-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate serial_pipe 0.1.0 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate serial_pipe 0.1.0 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 serial_pipe 0.1.0
[INFO] finished tweaking crates.io crate serial_pipe 0.1.0
[INFO] tweaked toml for crates.io crate serial_pipe 0.1.0 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate crates.io crate serial_pipe 0.1.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ebacktrace v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] [stdout] f728063f499750bc94a0707f59aed87ca99183be92e6bdcabfb5b8897dabd166
[INFO] running `Command { std: "docker" "start" "-a" "f728063f499750bc94a0707f59aed87ca99183be92e6bdcabfb5b8897dabd166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f728063f499750bc94a0707f59aed87ca99183be92e6bdcabfb5b8897dabd166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f728063f499750bc94a0707f59aed87ca99183be92e6bdcabfb5b8897dabd166", kill_on_drop: false }`
[INFO] [stdout] f728063f499750bc94a0707f59aed87ca99183be92e6bdcabfb5b8897dabd166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] [stdout] ce15f857e1dbcfffd44aa0494ed171036c7de967228ca2fb9565df11042f8690
[INFO] running `Command { std: "docker" "start" "-a" "ce15f857e1dbcfffd44aa0494ed171036c7de967228ca2fb9565df11042f8690", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling serial_pipe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling ebacktrace v0.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.44s
[INFO] running `Command { std: "docker" "inspect" "ce15f857e1dbcfffd44aa0494ed171036c7de967228ca2fb9565df11042f8690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce15f857e1dbcfffd44aa0494ed171036c7de967228ca2fb9565df11042f8690", kill_on_drop: false }`
[INFO] [stdout] ce15f857e1dbcfffd44aa0494ed171036c7de967228ca2fb9565df11042f8690
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] 5369cb21b9e48104af99470f4e263bfe172778c7e43cfa482766b68f6a0c8c1c
[INFO] running `Command { std: "docker" "start" "-a" "5369cb21b9e48104af99470f4e263bfe172778c7e43cfa482766b68f6a0c8c1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial_pipe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "5369cb21b9e48104af99470f4e263bfe172778c7e43cfa482766b68f6a0c8c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5369cb21b9e48104af99470f4e263bfe172778c7e43cfa482766b68f6a0c8c1c", kill_on_drop: false }`
[INFO] [stdout] 5369cb21b9e48104af99470f4e263bfe172778c7e43cfa482766b68f6a0c8c1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] 759c605c47b91b174fd4a9e5c6b34eb658b98d1f280feacb6ee01c50ffeb86dc
[INFO] running `Command { std: "docker" "start" "-a" "759c605c47b91b174fd4a9e5c6b34eb658b98d1f280feacb6ee01c50ffeb86dc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/spipe-629304bd5ad8e248)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/compile.rs (/opt/rustwide/target/debug/deps/compile-d4d9e93e2cfe73ea)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "759c605c47b91b174fd4a9e5c6b34eb658b98d1f280feacb6ee01c50ffeb86dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "759c605c47b91b174fd4a9e5c6b34eb658b98d1f280feacb6ee01c50ffeb86dc", kill_on_drop: false }`
[INFO] [stdout] 759c605c47b91b174fd4a9e5c6b34eb658b98d1f280feacb6ee01c50ffeb86dc