[INFO] fetching crate vblk 0.1.2...
[INFO] testing vblk-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate vblk 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate vblk 0.1.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vblk 0.1.2
[INFO] finished tweaking crates.io crate vblk 0.1.2
[INFO] tweaked toml for crates.io crate vblk 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate vblk 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.1.3
[INFO] [stderr]   Downloaded nix v0.16.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e4c4afa8144661730fdee192de5e82d73ec830e94d0ff0ae1a15853c4c9f379
[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" "2e4c4afa8144661730fdee192de5e82d73ec830e94d0ff0ae1a15853c4c9f379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e4c4afa8144661730fdee192de5e82d73ec830e94d0ff0ae1a15853c4c9f379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e4c4afa8144661730fdee192de5e82d73ec830e94d0ff0ae1a15853c4c9f379", kill_on_drop: false }`
[INFO] [stdout] 2e4c4afa8144661730fdee192de5e82d73ec830e94d0ff0ae1a15853c4c9f379
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72e2bfc5bdc8ee8f2c618bbc0034194f44ff193b9ac0ae71937176ed1226db1f
[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" "72e2bfc5bdc8ee8f2c618bbc0034194f44ff193b9ac0ae71937176ed1226db1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling zerocopy-derive v0.1.4
[INFO] [stderr]    Compiling zerocopy v0.2.8
[INFO] [stderr]    Compiling vblk v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.66s
[INFO] running `Command { std: "docker" "inspect" "72e2bfc5bdc8ee8f2c618bbc0034194f44ff193b9ac0ae71937176ed1226db1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e2bfc5bdc8ee8f2c618bbc0034194f44ff193b9ac0ae71937176ed1226db1f", kill_on_drop: false }`
[INFO] [stdout] 72e2bfc5bdc8ee8f2c618bbc0034194f44ff193b9ac0ae71937176ed1226db1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca69149e7b6d9ce670cc230e840c4b49977c245a89098b6eac2512287772ec67
[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" "ca69149e7b6d9ce670cc230e840c4b49977c245a89098b6eac2512287772ec67", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling ctrlc v3.1.3
[INFO] [stderr]    Compiling vblk v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.54s
[INFO] running `Command { std: "docker" "inspect" "ca69149e7b6d9ce670cc230e840c4b49977c245a89098b6eac2512287772ec67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca69149e7b6d9ce670cc230e840c4b49977c245a89098b6eac2512287772ec67", kill_on_drop: false }`
[INFO] [stdout] ca69149e7b6d9ce670cc230e840c4b49977c245a89098b6eac2512287772ec67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 949a4f6739debd4916a4dd1d8b8e8fa7cd68dc40470ce9140808af0e486b12b9
[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" "949a4f6739debd4916a4dd1d8b8e8fa7cd68dc40470ce9140808af0e486b12b9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vblk-53e621217b8eaddf
[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] [stderr]    Doc-tests vblk
[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" "949a4f6739debd4916a4dd1d8b8e8fa7cd68dc40470ce9140808af0e486b12b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949a4f6739debd4916a4dd1d8b8e8fa7cd68dc40470ce9140808af0e486b12b9", kill_on_drop: false }`
[INFO] [stdout] 949a4f6739debd4916a4dd1d8b8e8fa7cd68dc40470ce9140808af0e486b12b9