[INFO] fetching crate revenq 0.4.1...
[INFO] testing revenq-0.4.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate revenq 0.4.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate revenq 0.4.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate revenq 0.4.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate revenq 0.4.1
[INFO] tweaked toml for crates.io crate revenq 0.4.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate revenq 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rayon-core v1.7.1
[INFO] [stderr]   Downloaded rayon v1.3.1
[INFO] [stderr]   Downloaded criterion v0.3.3
[INFO] [stderr]   Downloaded serde_derive v1.0.115
[INFO] [stderr]   Downloaded oorandom v11.1.2
[INFO] [stderr]   Downloaded futures-lite v1.11.2
[INFO] [stderr]   Downloaded fastrand v1.3.4
[INFO] [stderr]   Downloaded waker-fn v1.0.0
[INFO] [stderr]   Downloaded half v1.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf1f670f22e81c3aa6d487acdc5eabf7497359d35745872c6025f21628c53e19
[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" "cf1f670f22e81c3aa6d487acdc5eabf7497359d35745872c6025f21628c53e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf1f670f22e81c3aa6d487acdc5eabf7497359d35745872c6025f21628c53e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf1f670f22e81c3aa6d487acdc5eabf7497359d35745872c6025f21628c53e19", kill_on_drop: false }`
[INFO] [stdout] cf1f670f22e81c3aa6d487acdc5eabf7497359d35745872c6025f21628c53e19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e49ed9aa169f87d441e80502928d8656c9eaf29e6ee28fc8d664d1297c032c1
[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" "5e49ed9aa169f87d441e80502928d8656c9eaf29e6ee28fc8d664d1297c032c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling revenq v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "5e49ed9aa169f87d441e80502928d8656c9eaf29e6ee28fc8d664d1297c032c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e49ed9aa169f87d441e80502928d8656c9eaf29e6ee28fc8d664d1297c032c1", kill_on_drop: false }`
[INFO] [stdout] 5e49ed9aa169f87d441e80502928d8656c9eaf29e6ee28fc8d664d1297c032c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8dbf889c7d54a38bb3fc7f71a8702ab7ab0a1792d5d796af57b591fcc9d026b
[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" "a8dbf889c7d54a38bb3fc7f71a8702ab7ab0a1792d5d796af57b591fcc9d026b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling fastrand v1.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling clap v2.33.2
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling futures-lite v1.11.2
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling revenq v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "a8dbf889c7d54a38bb3fc7f71a8702ab7ab0a1792d5d796af57b591fcc9d026b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8dbf889c7d54a38bb3fc7f71a8702ab7ab0a1792d5d796af57b591fcc9d026b", kill_on_drop: false }`
[INFO] [stdout] a8dbf889c7d54a38bb3fc7f71a8702ab7ab0a1792d5d796af57b591fcc9d026b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 45fd43f5d4f455299f9600d8f92a0f046d53adfd18ae7a5dd5556ebbb4d4ca9a
[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" "45fd43f5d4f455299f9600d8f92a0f046d53adfd18ae7a5dd5556ebbb4d4ca9a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/revenq-fd7b14e8d75919ee)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/queue.rs (/opt/rustwide/target/debug/deps/queue-2e45dd827979d25d)
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test mp ... ok
[INFO] [stdout] test simple ... ok
[INFO] [stdout] test multi ... ok
[INFO] [stdout] test blocking ... ok
[INFO] [stdout] test mtmp ... ok
[INFO] [stderr]    Doc-tests revenq
[INFO] [stdout] test multithreaded ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "45fd43f5d4f455299f9600d8f92a0f046d53adfd18ae7a5dd5556ebbb4d4ca9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45fd43f5d4f455299f9600d8f92a0f046d53adfd18ae7a5dd5556ebbb4d4ca9a", kill_on_drop: false }`
[INFO] [stdout] 45fd43f5d4f455299f9600d8f92a0f046d53adfd18ae7a5dd5556ebbb4d4ca9a