[INFO] fetching crate io-hal 0.0.0-zero.1...
[INFO] testing io-hal-0.0.0-zero.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate io-hal 0.0.0-zero.1 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate io-hal 0.0.0-zero.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-hal 0.0.0-zero.1
[INFO] finished tweaking crates.io crate io-hal 0.0.0-zero.1
[INFO] tweaked toml for crates.io crate io-hal 0.0.0-zero.1 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2887c613cf9a011976b3b15e1162b52fa6dc4eefc9ba93a04376f5dfbc61ce5
[INFO] running `Command { std: "docker" "start" "-a" "e2887c613cf9a011976b3b15e1162b52fa6dc4eefc9ba93a04376f5dfbc61ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2887c613cf9a011976b3b15e1162b52fa6dc4eefc9ba93a04376f5dfbc61ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2887c613cf9a011976b3b15e1162b52fa6dc4eefc9ba93a04376f5dfbc61ce5", kill_on_drop: false }`
[INFO] [stdout] e2887c613cf9a011976b3b15e1162b52fa6dc4eefc9ba93a04376f5dfbc61ce5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dc0144d9c567233ce9cf874507cf09c9210f052b7ebae64d66d4246268de2e9
[INFO] running `Command { std: "docker" "start" "-a" "9dc0144d9c567233ce9cf874507cf09c9210f052b7ebae64d66d4246268de2e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-hal v0.0.0-zero.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "9dc0144d9c567233ce9cf874507cf09c9210f052b7ebae64d66d4246268de2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dc0144d9c567233ce9cf874507cf09c9210f052b7ebae64d66d4246268de2e9", kill_on_drop: false }`
[INFO] [stdout] 9dc0144d9c567233ce9cf874507cf09c9210f052b7ebae64d66d4246268de2e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f3ff85e8670e06ca6b9275d5b74299c3b8f11ea49e19015efc081087e9967ea
[INFO] running `Command { std: "docker" "start" "-a" "2f3ff85e8670e06ca6b9275d5b74299c3b8f11ea49e19015efc081087e9967ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-hal v0.0.0-zero.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "2f3ff85e8670e06ca6b9275d5b74299c3b8f11ea49e19015efc081087e9967ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f3ff85e8670e06ca6b9275d5b74299c3b8f11ea49e19015efc081087e9967ea", kill_on_drop: false }`
[INFO] [stdout] 2f3ff85e8670e06ca6b9275d5b74299c3b8f11ea49e19015efc081087e9967ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c67fa75a4271699f0fa129876aca45fab97394a0a299cf847a7c591bb266330
[INFO] running `Command { std: "docker" "start" "-a" "5c67fa75a4271699f0fa129876aca45fab97394a0a299cf847a7c591bb266330", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/io_hal-3dd8fd2ba9779853)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::none ... 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] [stderr]    Doc-tests io-hal
[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" "5c67fa75a4271699f0fa129876aca45fab97394a0a299cf847a7c591bb266330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c67fa75a4271699f0fa129876aca45fab97394a0a299cf847a7c591bb266330", kill_on_drop: false }`
[INFO] [stdout] 5c67fa75a4271699f0fa129876aca45fab97394a0a299cf847a7c591bb266330