[INFO] fetching crate waitlist 0.1.0...
[INFO] testing waitlist-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate waitlist 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate waitlist 0.1.0 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 waitlist 0.1.0
[INFO] finished tweaking crates.io crate waitlist 0.1.0
[INFO] tweaked toml for crates.io crate waitlist 0.1.0 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 5de68bc423a12339eb3ad76c02f97cbc25e60b8248871c4c9daafa2fba09ce8d
[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" "5de68bc423a12339eb3ad76c02f97cbc25e60b8248871c4c9daafa2fba09ce8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5de68bc423a12339eb3ad76c02f97cbc25e60b8248871c4c9daafa2fba09ce8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5de68bc423a12339eb3ad76c02f97cbc25e60b8248871c4c9daafa2fba09ce8d", kill_on_drop: false }`
[INFO] [stdout] 5de68bc423a12339eb3ad76c02f97cbc25e60b8248871c4c9daafa2fba09ce8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] f9c0cc159b95d4f23e7f4600613ea765c1ba4290abfcb54d8e05441edc5334cb
[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" "f9c0cc159b95d4f23e7f4600613ea765c1ba4290abfcb54d8e05441edc5334cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling waitlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "f9c0cc159b95d4f23e7f4600613ea765c1ba4290abfcb54d8e05441edc5334cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c0cc159b95d4f23e7f4600613ea765c1ba4290abfcb54d8e05441edc5334cb", kill_on_drop: false }`
[INFO] [stdout] f9c0cc159b95d4f23e7f4600613ea765c1ba4290abfcb54d8e05441edc5334cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] e604d0b96549f3aa3eb629644bcd26a08c0c74e927caf22cab7d6127924fedaf
[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" "e604d0b96549f3aa3eb629644bcd26a08c0c74e927caf22cab7d6127924fedaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling waitlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "e604d0b96549f3aa3eb629644bcd26a08c0c74e927caf22cab7d6127924fedaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e604d0b96549f3aa3eb629644bcd26a08c0c74e927caf22cab7d6127924fedaf", kill_on_drop: false }`
[INFO] [stdout] e604d0b96549f3aa3eb629644bcd26a08c0c74e927caf22cab7d6127924fedaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] b7a523e11083a7d72d4fdc627fe362df67f7988a1afde702851d076699f433c1
[INFO] running `Command { std: "docker" "start" "-a" "b7a523e11083a7d72d4fdc627fe362df67f7988a1afde702851d076699f433c1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/waitlist-71c250dd9eb09450
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::wraparound ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/waitlist-85077a9d7ab3408d
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests waitlist
[INFO] [stdout] running 7 tests
[INFO] [stdout] test update ... ok
[INFO] [stdout] test try_finish_works ... ok
[INFO] [stdout] test notify_any ... ok
[INFO] [stdout] test fifo_order ... ok
[INFO] [stdout] test cancel_notifies_next ... ok
[INFO] [stdout] test notify_after_clearing ... ok
[INFO] [stdout] test notify_all ... 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 1 test
[INFO] [stdout] test src/lib.rs - WaitHandle::try_finish (line 168) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b7a523e11083a7d72d4fdc627fe362df67f7988a1afde702851d076699f433c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a523e11083a7d72d4fdc627fe362df67f7988a1afde702851d076699f433c1", kill_on_drop: false }`
[INFO] [stdout] b7a523e11083a7d72d4fdc627fe362df67f7988a1afde702851d076699f433c1