[INFO] fetching crate alib 0.1.0...
[INFO] testing alib-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate alib 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate alib 0.1.0 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 alib 0.1.0
[INFO] finished tweaking crates.io crate alib 0.1.0
[INFO] tweaked toml for crates.io crate alib 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4cb99e066f30ebf6a7e59cd41e32212b89ed2bc2a900c70f775ec22ff7bf5da0
[INFO] running `Command { std: "docker" "start" "-a" "4cb99e066f30ebf6a7e59cd41e32212b89ed2bc2a900c70f775ec22ff7bf5da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cb99e066f30ebf6a7e59cd41e32212b89ed2bc2a900c70f775ec22ff7bf5da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cb99e066f30ebf6a7e59cd41e32212b89ed2bc2a900c70f775ec22ff7bf5da0", kill_on_drop: false }`
[INFO] [stdout] 4cb99e066f30ebf6a7e59cd41e32212b89ed2bc2a900c70f775ec22ff7bf5da0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 636b541f5e81d60582ea80207be86ec146f25e4cdc5f8d8db1634e2007c95867
[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" "636b541f5e81d60582ea80207be86ec146f25e4cdc5f8d8db1634e2007c95867", kill_on_drop: false }`
[INFO] [stderr]    Compiling alib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "636b541f5e81d60582ea80207be86ec146f25e4cdc5f8d8db1634e2007c95867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "636b541f5e81d60582ea80207be86ec146f25e4cdc5f8d8db1634e2007c95867", kill_on_drop: false }`
[INFO] [stdout] 636b541f5e81d60582ea80207be86ec146f25e4cdc5f8d8db1634e2007c95867
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e8d24c4e95f5fc1b5eac3dfede47ad8d18c535a62df2e31610bcf59f5f0ad946
[INFO] running `Command { std: "docker" "start" "-a" "e8d24c4e95f5fc1b5eac3dfede47ad8d18c535a62df2e31610bcf59f5f0ad946", kill_on_drop: false }`
[INFO] [stderr]    Compiling alib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "e8d24c4e95f5fc1b5eac3dfede47ad8d18c535a62df2e31610bcf59f5f0ad946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d24c4e95f5fc1b5eac3dfede47ad8d18c535a62df2e31610bcf59f5f0ad946", kill_on_drop: false }`
[INFO] [stdout] e8d24c4e95f5fc1b5eac3dfede47ad8d18c535a62df2e31610bcf59f5f0ad946
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a9c82b19091c5a78a3f9e7fea843af39b378495a9c835b2fb972276d6480627c
[INFO] running `Command { std: "docker" "start" "-a" "a9c82b19091c5a78a3f9e7fea843af39b378495a9c835b2fb972276d6480627c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/alib-ddef3d8b617d5319
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests alib
[INFO] [stdout] test tests::it_works ... 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] [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" "a9c82b19091c5a78a3f9e7fea843af39b378495a9c835b2fb972276d6480627c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c82b19091c5a78a3f9e7fea843af39b378495a9c835b2fb972276d6480627c", kill_on_drop: false }`
[INFO] [stdout] a9c82b19091c5a78a3f9e7fea843af39b378495a9c835b2fb972276d6480627c