[INFO] fetching crate walnut 0.1.4...
[INFO] testing walnut-0.1.4 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate walnut 0.1.4 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate walnut 0.1.4 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate walnut 0.1.4
[INFO] finished tweaking crates.io crate walnut 0.1.4
[INFO] tweaked toml for crates.io crate walnut 0.1.4 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate crates.io crate walnut 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d101e6657493735f653781dabce1944283b7629014c6de2aec256241a2b5953
[INFO] running `Command { std: "docker" "start" "-a" "1d101e6657493735f653781dabce1944283b7629014c6de2aec256241a2b5953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d101e6657493735f653781dabce1944283b7629014c6de2aec256241a2b5953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d101e6657493735f653781dabce1944283b7629014c6de2aec256241a2b5953", kill_on_drop: false }`
[INFO] [stdout] 1d101e6657493735f653781dabce1944283b7629014c6de2aec256241a2b5953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cf7bc73448e818478f8341e22eb146a798cf09dc1f7690a5476b391aa896f53
[INFO] running `Command { std: "docker" "start" "-a" "2cf7bc73448e818478f8341e22eb146a798cf09dc1f7690a5476b391aa896f53", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling walnut v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "2cf7bc73448e818478f8341e22eb146a798cf09dc1f7690a5476b391aa896f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf7bc73448e818478f8341e22eb146a798cf09dc1f7690a5476b391aa896f53", kill_on_drop: false }`
[INFO] [stdout] 2cf7bc73448e818478f8341e22eb146a798cf09dc1f7690a5476b391aa896f53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9049c13d56347a6efc6e0ec653083505a372709acb7d2963077eec1887093eed
[INFO] running `Command { std: "docker" "start" "-a" "9049c13d56347a6efc6e0ec653083505a372709acb7d2963077eec1887093eed", kill_on_drop: false }`
[INFO] [stderr]    Compiling walnut v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/walnut-b265c26c32ce4551)
[INFO] running `Command { std: "docker" "inspect" "9049c13d56347a6efc6e0ec653083505a372709acb7d2963077eec1887093eed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9049c13d56347a6efc6e0ec653083505a372709acb7d2963077eec1887093eed", kill_on_drop: false }`
[INFO] [stdout] 9049c13d56347a6efc6e0ec653083505a372709acb7d2963077eec1887093eed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f645aeaf672cef5c1e516499ffe91bbea0fa4c7754dcd02a3922a22d3dbb1324
[INFO] running `Command { std: "docker" "start" "-a" "f645aeaf672cef5c1e516499ffe91bbea0fa4c7754dcd02a3922a22d3dbb1324", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/walnut-b265c26c32ce4551)
[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" "f645aeaf672cef5c1e516499ffe91bbea0fa4c7754dcd02a3922a22d3dbb1324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f645aeaf672cef5c1e516499ffe91bbea0fa4c7754dcd02a3922a22d3dbb1324", kill_on_drop: false }`
[INFO] [stdout] f645aeaf672cef5c1e516499ffe91bbea0fa4c7754dcd02a3922a22d3dbb1324