[INFO] fetching crate access-queue 1.1.0...
[INFO] testing access-queue-1.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate access-queue 1.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate access-queue 1.1.0 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 access-queue 1.1.0
[INFO] finished tweaking crates.io crate access-queue 1.1.0
[INFO] tweaked toml for crates.io crate access-queue 1.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 2d4ab70da30667d29a7c17c33a1c6353cdfb2fabde8a3ad43ad486b315c9a214
[INFO] running `Command { std: "docker" "start" "-a" "2d4ab70da30667d29a7c17c33a1c6353cdfb2fabde8a3ad43ad486b315c9a214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d4ab70da30667d29a7c17c33a1c6353cdfb2fabde8a3ad43ad486b315c9a214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d4ab70da30667d29a7c17c33a1c6353cdfb2fabde8a3ad43ad486b315c9a214", kill_on_drop: false }`
[INFO] [stdout] 2d4ab70da30667d29a7c17c33a1c6353cdfb2fabde8a3ad43ad486b315c9a214
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] d6927dc20ef1d1e913d8c1860bcdcc47c709f55096d29876025e5fdb574744e7
[INFO] running `Command { std: "docker" "start" "-a" "d6927dc20ef1d1e913d8c1860bcdcc47c709f55096d29876025e5fdb574744e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling event-listener v1.2.0
[INFO] [stderr]    Compiling access-queue v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "d6927dc20ef1d1e913d8c1860bcdcc47c709f55096d29876025e5fdb574744e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6927dc20ef1d1e913d8c1860bcdcc47c709f55096d29876025e5fdb574744e7", kill_on_drop: false }`
[INFO] [stdout] d6927dc20ef1d1e913d8c1860bcdcc47c709f55096d29876025e5fdb574744e7
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] ee922f7da46bb2b751994c37bf0026ffd50777edc469bdfd15b36278f570e0be
[INFO] running `Command { std: "docker" "start" "-a" "ee922f7da46bb2b751994c37bf0026ffd50777edc469bdfd15b36278f570e0be", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling access-queue v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "ee922f7da46bb2b751994c37bf0026ffd50777edc469bdfd15b36278f570e0be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee922f7da46bb2b751994c37bf0026ffd50777edc469bdfd15b36278f570e0be", kill_on_drop: false }`
[INFO] [stdout] ee922f7da46bb2b751994c37bf0026ffd50777edc469bdfd15b36278f570e0be
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 0e41c7ce86603ddc533ad7e5ddbfaa3b90f3de791a168b67343cdee192db220a
[INFO] running `Command { std: "docker" "start" "-a" "0e41c7ce86603ddc533ad7e5ddbfaa3b90f3de791a168b67343cdee192db220a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/access_queue-db08e8b2579fbacb
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::holds_accesses ... ok
[INFO] [stdout] test tests::reenqueue ... ok
[INFO] [stdout] test tests::releases_accesses_fifo ... ok
[INFO] [stdout] test tests::test_block ... ok
[INFO] [stdout] test tests::test_release ... ok
[INFO] [stdout] test tests::hold_indefinitely_does_not_release ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests access-queue
[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" "0e41c7ce86603ddc533ad7e5ddbfaa3b90f3de791a168b67343cdee192db220a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e41c7ce86603ddc533ad7e5ddbfaa3b90f3de791a168b67343cdee192db220a", kill_on_drop: false }`
[INFO] [stdout] 0e41c7ce86603ddc533ad7e5ddbfaa3b90f3de791a168b67343cdee192db220a