[INFO] fetching crate avow 0.2.0...
[INFO] testing avow-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate avow 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate avow 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate avow 0.2.0
[INFO] finished tweaking crates.io crate avow 0.2.0
[INFO] tweaked toml for crates.io crate avow 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43d2d0fa8a1b643c3500ca7b1e5f8a0be71455c966bddfffa44511b8b7dae42f
[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" "43d2d0fa8a1b643c3500ca7b1e5f8a0be71455c966bddfffa44511b8b7dae42f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43d2d0fa8a1b643c3500ca7b1e5f8a0be71455c966bddfffa44511b8b7dae42f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d2d0fa8a1b643c3500ca7b1e5f8a0be71455c966bddfffa44511b8b7dae42f", kill_on_drop: false }`
[INFO] [stdout] 43d2d0fa8a1b643c3500ca7b1e5f8a0be71455c966bddfffa44511b8b7dae42f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 652b8dc0e8a8232d5c534d5d44dbe9035f4d6ef1933f301e3b0dffd1a6fb2a90
[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" "652b8dc0e8a8232d5c534d5d44dbe9035f4d6ef1933f301e3b0dffd1a6fb2a90", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling tabwriter v0.1.25
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling avow v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `Command { std: "docker" "inspect" "652b8dc0e8a8232d5c534d5d44dbe9035f4d6ef1933f301e3b0dffd1a6fb2a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652b8dc0e8a8232d5c534d5d44dbe9035f4d6ef1933f301e3b0dffd1a6fb2a90", kill_on_drop: false }`
[INFO] [stdout] 652b8dc0e8a8232d5c534d5d44dbe9035f4d6ef1933f301e3b0dffd1a6fb2a90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 476baac1408b2adf3352d30b0de52e5debd4d686e39f6ea558c7b5b03364de05
[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" "476baac1408b2adf3352d30b0de52e5debd4d686e39f6ea558c7b5b03364de05", kill_on_drop: false }`
[INFO] [stderr]    Compiling avow v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "476baac1408b2adf3352d30b0de52e5debd4d686e39f6ea558c7b5b03364de05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "476baac1408b2adf3352d30b0de52e5debd4d686e39f6ea558c7b5b03364de05", kill_on_drop: false }`
[INFO] [stdout] 476baac1408b2adf3352d30b0de52e5debd4d686e39f6ea558c7b5b03364de05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5946a723361d22b47d628a636365a3c9fc752b480b4d21d5fbfbf2a2a2c9316a
[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" "5946a723361d22b47d628a636365a3c9fc752b480b4d21d5fbfbf2a2a2c9316a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/avow-feb8c0170f0389ab
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test vec::tests::equal_vectors_should_pass ... ok
[INFO] [stderr]    Doc-tests avow
[INFO] [stdout] test vec::tests::vector_contents_are_compared_side_by_side ... ok
[INFO] [stdout] test vec::tests::vector_length_is_checked_first ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5946a723361d22b47d628a636365a3c9fc752b480b4d21d5fbfbf2a2a2c9316a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5946a723361d22b47d628a636365a3c9fc752b480b4d21d5fbfbf2a2a2c9316a", kill_on_drop: false }`
[INFO] [stdout] 5946a723361d22b47d628a636365a3c9fc752b480b4d21d5fbfbf2a2a2c9316a