[INFO] fetching crate ferris-fetch 1.2.4...
[INFO] testing ferris-fetch-1.2.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ferris-fetch 1.2.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ferris-fetch 1.2.4 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 ferris-fetch 1.2.4
[INFO] finished tweaking crates.io crate ferris-fetch 1.2.4
[INFO] tweaked toml for crates.io crate ferris-fetch 1.2.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate ferris-fetch 1.2.4 already has a lockfile, it will not be regenerated
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 405c25beba6e51f196f040efa4c0a3bb8257a5fd7629bb49fdd826123faf79e4
[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" "405c25beba6e51f196f040efa4c0a3bb8257a5fd7629bb49fdd826123faf79e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "405c25beba6e51f196f040efa4c0a3bb8257a5fd7629bb49fdd826123faf79e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "405c25beba6e51f196f040efa4c0a3bb8257a5fd7629bb49fdd826123faf79e4", kill_on_drop: false }`
[INFO] [stdout] 405c25beba6e51f196f040efa4c0a3bb8257a5fd7629bb49fdd826123faf79e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 9b55d10be0028cc71e97d9987d8c21a9cf7edde048a07795e6882ff141bd509d
[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" "9b55d10be0028cc71e97d9987d8c21a9cf7edde048a07795e6882ff141bd509d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling whoami v1.1.1
[INFO] [stderr]    Compiling sysinfo v0.16.5
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling ferris-fetch v1.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.89s
[INFO] running `Command { std: "docker" "inspect" "9b55d10be0028cc71e97d9987d8c21a9cf7edde048a07795e6882ff141bd509d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b55d10be0028cc71e97d9987d8c21a9cf7edde048a07795e6882ff141bd509d", kill_on_drop: false }`
[INFO] [stdout] 9b55d10be0028cc71e97d9987d8c21a9cf7edde048a07795e6882ff141bd509d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 015d7cfe67dd6a5885396894443b815be8ac0a2e1876094d2d370cb4ea28049d
[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" "015d7cfe67dd6a5885396894443b815be8ac0a2e1876094d2d370cb4ea28049d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ferris-fetch v1.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "015d7cfe67dd6a5885396894443b815be8ac0a2e1876094d2d370cb4ea28049d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "015d7cfe67dd6a5885396894443b815be8ac0a2e1876094d2d370cb4ea28049d", kill_on_drop: false }`
[INFO] [stdout] 015d7cfe67dd6a5885396894443b815be8ac0a2e1876094d2d370cb4ea28049d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 6f3ff634f3e650c8e6a717a30ef846e9b4f7c31f50fc38f099877d752195552c
[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" "6f3ff634f3e650c8e6a717a30ef846e9b4f7c31f50fc38f099877d752195552c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ferris_fetch-d3649855274984ca)
[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" "6f3ff634f3e650c8e6a717a30ef846e9b4f7c31f50fc38f099877d752195552c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f3ff634f3e650c8e6a717a30ef846e9b4f7c31f50fc38f099877d752195552c", kill_on_drop: false }`
[INFO] [stdout] 6f3ff634f3e650c8e6a717a30ef846e9b4f7c31f50fc38f099877d752195552c