[INFO] fetching crate conqueue 0.3.0...
[INFO] testing conqueue-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate conqueue 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate conqueue 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 conqueue 0.3.0
[INFO] finished tweaking crates.io crate conqueue 0.3.0
[INFO] tweaked toml for crates.io crate conqueue 0.3.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] fd9700b8200abd9fde7c15a7a8a4840ee471a9ff1a5453d8665f06b1dbcc812d
[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" "fd9700b8200abd9fde7c15a7a8a4840ee471a9ff1a5453d8665f06b1dbcc812d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd9700b8200abd9fde7c15a7a8a4840ee471a9ff1a5453d8665f06b1dbcc812d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9700b8200abd9fde7c15a7a8a4840ee471a9ff1a5453d8665f06b1dbcc812d", kill_on_drop: false }`
[INFO] [stdout] fd9700b8200abd9fde7c15a7a8a4840ee471a9ff1a5453d8665f06b1dbcc812d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1ed59f15c09bc9ff6298ff9d187394bd5bd72c60b6b67381d5745285dc947488
[INFO] running `Command { std: "docker" "start" "-a" "1ed59f15c09bc9ff6298ff9d187394bd5bd72c60b6b67381d5745285dc947488", kill_on_drop: false }`
[INFO] [stderr]    Compiling conqueue v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "1ed59f15c09bc9ff6298ff9d187394bd5bd72c60b6b67381d5745285dc947488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ed59f15c09bc9ff6298ff9d187394bd5bd72c60b6b67381d5745285dc947488", kill_on_drop: false }`
[INFO] [stdout] 1ed59f15c09bc9ff6298ff9d187394bd5bd72c60b6b67381d5745285dc947488
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 2318d2b7eae35e7a3f8448dcf7a67d3046306c3075af122e7bf5f2c568d81345
[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" "2318d2b7eae35e7a3f8448dcf7a67d3046306c3075af122e7bf5f2c568d81345", kill_on_drop: false }`
[INFO] [stderr]    Compiling conqueue v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "2318d2b7eae35e7a3f8448dcf7a67d3046306c3075af122e7bf5f2c568d81345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2318d2b7eae35e7a3f8448dcf7a67d3046306c3075af122e7bf5f2c568d81345", kill_on_drop: false }`
[INFO] [stdout] 2318d2b7eae35e7a3f8448dcf7a67d3046306c3075af122e7bf5f2c568d81345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d2a44ede33aa522eb16eb4f47393b259111bc45f87618176046999b8c6320a87
[INFO] running `Command { std: "docker" "start" "-a" "d2a44ede33aa522eb16eb4f47393b259111bc45f87618176046999b8c6320a87", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/conqueue-abafff0e74d39ecd
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::benchmark ... ignored
[INFO] [stdout] test tests::test_disconnected ... ok
[INFO] [stderr]    Doc-tests conqueue
[INFO] [stdout] test tests::test_drop ... ok
[INFO] [stdout] test tests::test_multiple_threads ... ok
[INFO] [stdout] test tests::test_single_thread ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 1 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" "d2a44ede33aa522eb16eb4f47393b259111bc45f87618176046999b8c6320a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a44ede33aa522eb16eb4f47393b259111bc45f87618176046999b8c6320a87", kill_on_drop: false }`
[INFO] [stdout] d2a44ede33aa522eb16eb4f47393b259111bc45f87618176046999b8c6320a87