[INFO] fetching crate blair_mountain 0.3.0...
[INFO] testing blair_mountain-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate blair_mountain 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate blair_mountain 0.3.0 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 blair_mountain 0.3.0
[INFO] finished tweaking crates.io crate blair_mountain 0.3.0
[INFO] tweaked toml for crates.io crate blair_mountain 0.3.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f8066c637e9df1d7b7dd5f9894103b708a073daa60adca01428621c6d1fd0c1f
[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" "f8066c637e9df1d7b7dd5f9894103b708a073daa60adca01428621c6d1fd0c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8066c637e9df1d7b7dd5f9894103b708a073daa60adca01428621c6d1fd0c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8066c637e9df1d7b7dd5f9894103b708a073daa60adca01428621c6d1fd0c1f", kill_on_drop: false }`
[INFO] [stdout] f8066c637e9df1d7b7dd5f9894103b708a073daa60adca01428621c6d1fd0c1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 4462a1866a71814524d4e885fbe45ece19fc52d0ab966f9cccaf5d42cef854b0
[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" "4462a1866a71814524d4e885fbe45ece19fc52d0ab966f9cccaf5d42cef854b0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling blair_mountain v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `Command { std: "docker" "inspect" "4462a1866a71814524d4e885fbe45ece19fc52d0ab966f9cccaf5d42cef854b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4462a1866a71814524d4e885fbe45ece19fc52d0ab966f9cccaf5d42cef854b0", kill_on_drop: false }`
[INFO] [stdout] 4462a1866a71814524d4e885fbe45ece19fc52d0ab966f9cccaf5d42cef854b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f337ee8eeb285b8692c55ee848a619263d72bcda0ba7152c155b48be12fc2f36
[INFO] running `Command { std: "docker" "start" "-a" "f337ee8eeb285b8692c55ee848a619263d72bcda0ba7152c155b48be12fc2f36", kill_on_drop: false }`
[INFO] [stderr]    Compiling blair_mountain v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "f337ee8eeb285b8692c55ee848a619263d72bcda0ba7152c155b48be12fc2f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f337ee8eeb285b8692c55ee848a619263d72bcda0ba7152c155b48be12fc2f36", kill_on_drop: false }`
[INFO] [stdout] f337ee8eeb285b8692c55ee848a619263d72bcda0ba7152c155b48be12fc2f36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2f6f6967c350e44d5c9c794872d27d005b3cb39aa757fe78426a925a17fb6ce1
[INFO] running `Command { std: "docker" "start" "-a" "2f6f6967c350e44d5c9c794872d27d005b3cb39aa757fe78426a925a17fb6ce1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/blair_mountain-60f725ed89e18161
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::accessors_generics ... ok
[INFO] [stdout] test tests::accessors_simple ... ok
[INFO] [stdout] test tests::invalid_accessor_get_mut ... ok
[INFO] [stdout] test tests::invalid_accessor_into ... ok
[INFO] [stdout] test tests::invalid_accessor_get ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests blair_mountain
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - union (line 30) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f6f6967c350e44d5c9c794872d27d005b3cb39aa757fe78426a925a17fb6ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f6f6967c350e44d5c9c794872d27d005b3cb39aa757fe78426a925a17fb6ce1", kill_on_drop: false }`
[INFO] [stdout] 2f6f6967c350e44d5c9c794872d27d005b3cb39aa757fe78426a925a17fb6ce1