[INFO] fetching crate using-queue 0.1.0...
[INFO] testing using-queue-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate using-queue 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate using-queue 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate using-queue 0.1.0
[INFO] finished tweaking crates.io crate using-queue 0.1.0
[INFO] tweaked toml for crates.io crate using-queue 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0887d5952d04a95c489e4704a9ee11dc2152d19d0680d2d58f3f895ac8a1ca6c
[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" "0887d5952d04a95c489e4704a9ee11dc2152d19d0680d2d58f3f895ac8a1ca6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0887d5952d04a95c489e4704a9ee11dc2152d19d0680d2d58f3f895ac8a1ca6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0887d5952d04a95c489e4704a9ee11dc2152d19d0680d2d58f3f895ac8a1ca6c", kill_on_drop: false }`
[INFO] [stdout] 0887d5952d04a95c489e4704a9ee11dc2152d19d0680d2d58f3f895ac8a1ca6c
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da0eb063d17ef3ab3f5e667b05c0010562decf94a3e81c6de67ef6c95dc27f07
[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" "da0eb063d17ef3ab3f5e667b05c0010562decf94a3e81c6de67ef6c95dc27f07", kill_on_drop: false }`
[INFO] [stderr]    Compiling using-queue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "da0eb063d17ef3ab3f5e667b05c0010562decf94a3e81c6de67ef6c95dc27f07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da0eb063d17ef3ab3f5e667b05c0010562decf94a3e81c6de67ef6c95dc27f07", kill_on_drop: false }`
[INFO] [stdout] da0eb063d17ef3ab3f5e667b05c0010562decf94a3e81c6de67ef6c95dc27f07
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdde6917932dda352daa621620dd4bde552fed037aa68b61cf3e105d8bff5a30
[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" "bdde6917932dda352daa621620dd4bde552fed037aa68b61cf3e105d8bff5a30", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling using-queue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "bdde6917932dda352daa621620dd4bde552fed037aa68b61cf3e105d8bff5a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdde6917932dda352daa621620dd4bde552fed037aa68b61cf3e105d8bff5a30", kill_on_drop: false }`
[INFO] [stdout] bdde6917932dda352daa621620dd4bde552fed037aa68b61cf3e105d8bff5a30
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ad9e4262addec4b51ea236cb74a61bc92694a249e98d7c6d825a94bb4c031d7
[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" "1ad9e4262addec4b51ea236cb74a61bc92694a249e98d7c6d825a94bb4c031d7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 17 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/using_queue-984d95effaa4bbef)
[INFO] [stdout] test should_find_when_others_used ... ok
[INFO] [stdout] test should_find_when_pushed_and_used_with_clone ... ok
[INFO] [stdout] test should_find_when_pushed_and_used ... ok
[INFO] [stdout] test should_not_remove_used_popped ... ok
[INFO] [stdout] test should_peek_correctly_after_push ... ok
[INFO] [stdout] test should_not_find_when_pushed_with_clone ... ok
[INFO] [stdout] test should_not_pop_unused_before_used ... ok
[INFO] [stdout] test should_pop_used ... ok
[INFO] [stdout] test should_not_pop_last_pending ... ok
[INFO] [stdout] test should_not_find_when_too_many_used ... ok
[INFO] [stdout] test should_inspect_correctly ... ok
[INFO] [stdout] test should_have_same_semantics_for_get_take_clone ... ok
[INFO] [stdout] test should_find_again_when_pushed_and_cloned ... ok
[INFO] [stdout] test should_not_find_when_not_used_and_then_pushed ... ok
[INFO] [stdout] test should_not_find_again_when_pushed_and_taken ... ok
[INFO] [stdout] test should_not_find_when_not_used_peeked_and_then_pushed ... ok
[INFO] [stdout] test should_not_find_when_pushed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests using-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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ad9e4262addec4b51ea236cb74a61bc92694a249e98d7c6d825a94bb4c031d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad9e4262addec4b51ea236cb74a61bc92694a249e98d7c6d825a94bb4c031d7", kill_on_drop: false }`
[INFO] [stdout] 1ad9e4262addec4b51ea236cb74a61bc92694a249e98d7c6d825a94bb4c031d7