[INFO] fetching crate concurrent-queue 1.2.2...
[INFO] testing concurrent-queue-1.2.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate concurrent-queue 1.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate concurrent-queue 1.2.2 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 concurrent-queue 1.2.2
[INFO] finished tweaking crates.io crate concurrent-queue 1.2.2
[INFO] tweaked toml for crates.io crate concurrent-queue 1.2.2 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39bb93cbb57d64e27df5dea8bde059fb0b1a4dbb0919692c9c86bfb19db4bac3
[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" "39bb93cbb57d64e27df5dea8bde059fb0b1a4dbb0919692c9c86bfb19db4bac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39bb93cbb57d64e27df5dea8bde059fb0b1a4dbb0919692c9c86bfb19db4bac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39bb93cbb57d64e27df5dea8bde059fb0b1a4dbb0919692c9c86bfb19db4bac3", kill_on_drop: false }`
[INFO] [stdout] 39bb93cbb57d64e27df5dea8bde059fb0b1a4dbb0919692c9c86bfb19db4bac3
[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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d76b6f8e3612fdaf939c6abf0b55764ff8ed85eed3ba68ff80b491007b8773f
[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" "4d76b6f8e3612fdaf939c6abf0b55764ff8ed85eed3ba68ff80b491007b8773f", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrent-queue v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "4d76b6f8e3612fdaf939c6abf0b55764ff8ed85eed3ba68ff80b491007b8773f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d76b6f8e3612fdaf939c6abf0b55764ff8ed85eed3ba68ff80b491007b8773f", kill_on_drop: false }`
[INFO] [stdout] 4d76b6f8e3612fdaf939c6abf0b55764ff8ed85eed3ba68ff80b491007b8773f
[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" "+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] f9947fc5b317e3d933a0f4b4d67ecf5d440fae7c4378ebce86c734020a5208f2
[INFO] running `Command { std: "docker" "start" "-a" "f9947fc5b317e3d933a0f4b4d67ecf5d440fae7c4378ebce86c734020a5208f2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling easy-parallel v3.1.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.08s
[INFO] running `Command { std: "docker" "inspect" "f9947fc5b317e3d933a0f4b4d67ecf5d440fae7c4378ebce86c734020a5208f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9947fc5b317e3d933a0f4b4d67ecf5d440fae7c4378ebce86c734020a5208f2", kill_on_drop: false }`
[INFO] [stdout] f9947fc5b317e3d933a0f4b4d67ecf5d440fae7c4378ebce86c734020a5208f2
[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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 59a98905c91f97ef13c28cb2ff9ea948089f70d9b4afa658e0be89ea1b173ae6
[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" "59a98905c91f97ef13c28cb2ff9ea948089f70d9b4afa658e0be89ea1b173ae6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/concurrent_queue-6b46f7c45ea40084
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bounded-1b62c71283531552
[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] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test capacity ... ok
[INFO] [stdout] test close ... ok
[INFO] [stdout] test len_empty_full ... ok
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test linearizable ... ok
[INFO] [stdout] test zero_capacity ... ok
[INFO] [stdout] test len ... ok
[INFO] [stdout] test spsc ... ok
[INFO] [stdout] test mpmc ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/single-e62c8be5d85d3836
[INFO] [stdout] test drops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test capacity ... ok
[INFO] [stdout] test close ... ok
[INFO] [stdout] test len_empty_full ... ok
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test mpmc ... ok
[INFO] [stdout] test linearizable ... ok
[INFO] [stdout] test spsc ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unbounded-12e92186527ade75
[INFO] [stdout] test drops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test close ... ok
[INFO] [stdout] test len ... ok
[INFO] [stdout] test len_empty_full ... ok
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test mpmc ... ok
[INFO] [stdout] test spsc ... ok
[INFO] [stderr]    Doc-tests concurrent-queue
[INFO] [stdout] test drops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - ConcurrentQueue<T>::unbounded (line 105) ... ok
[INFO] [stdout] test src/lib.rs - ConcurrentQueue<T>::bounded (line 88) ... ok
[INFO] [stdout] test src/lib.rs - ConcurrentQueue<T>::len (line 232) ... ok
[INFO] [stdout] test src/lib.rs - ConcurrentQueue<T>::pop (line 157) ... ok
[INFO] [stdout] test src/lib.rs - ConcurrentQueue (line 50) ... ok
[INFO] [stdout] test src/lib.rs - ConcurrentQueue<T>::close (line 284) ... ok
[INFO] [stdout] test src/lib.rs - ConcurrentQueue<T>::push (line 120) ... ok
[INFO] [stdout] test src/lib.rs - ConcurrentQueue<T>::is_closed (line 314) ... ok
[INFO] [stdout] test src/lib.rs - ConcurrentQueue<T>::is_full (line 211) ... ok
[INFO] [stdout] test src/lib.rs - ConcurrentQueue<T>::is_empty (line 188) ... ok
[INFO] [stdout] test src/lib.rs - ConcurrentQueue<T>::capacity (line 258) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "59a98905c91f97ef13c28cb2ff9ea948089f70d9b4afa658e0be89ea1b173ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59a98905c91f97ef13c28cb2ff9ea948089f70d9b4afa658e0be89ea1b173ae6", kill_on_drop: false }`
[INFO] [stdout] 59a98905c91f97ef13c28cb2ff9ea948089f70d9b4afa658e0be89ea1b173ae6