[INFO] fetching crate countdown_latch 0.1.1...
[INFO] testing countdown_latch-0.1.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate countdown_latch 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate countdown_latch 0.1.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate countdown_latch 0.1.1
[INFO] finished tweaking crates.io crate countdown_latch 0.1.1
[INFO] tweaked toml for crates.io crate countdown_latch 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 4491266c944325f9837cf656192747ea600449078fec9fe1e951eb4530beaaad
[INFO] running `Command { std: "docker" "start" "-a" "4491266c944325f9837cf656192747ea600449078fec9fe1e951eb4530beaaad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4491266c944325f9837cf656192747ea600449078fec9fe1e951eb4530beaaad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4491266c944325f9837cf656192747ea600449078fec9fe1e951eb4530beaaad", kill_on_drop: false }`
[INFO] [stdout] 4491266c944325f9837cf656192747ea600449078fec9fe1e951eb4530beaaad
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] b1336b6fa8c896b335d2c7a86e4f4509693a38ab74e5ca936abe08c2128edcdc
[INFO] running `Command { std: "docker" "start" "-a" "b1336b6fa8c896b335d2c7a86e4f4509693a38ab74e5ca936abe08c2128edcdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling countdown_latch v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "b1336b6fa8c896b335d2c7a86e4f4509693a38ab74e5ca936abe08c2128edcdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1336b6fa8c896b335d2c7a86e4f4509693a38ab74e5ca936abe08c2128edcdc", kill_on_drop: false }`
[INFO] [stdout] b1336b6fa8c896b335d2c7a86e4f4509693a38ab74e5ca936abe08c2128edcdc
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a666a511a356a62da8c731801b786c89187aa21ed9d80cbdd2f58e1df058419c
[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" "a666a511a356a62da8c731801b786c89187aa21ed9d80cbdd2f58e1df058419c", kill_on_drop: false }`
[INFO] [stderr]    Compiling countdown_latch v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "a666a511a356a62da8c731801b786c89187aa21ed9d80cbdd2f58e1df058419c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a666a511a356a62da8c731801b786c89187aa21ed9d80cbdd2f58e1df058419c", kill_on_drop: false }`
[INFO] [stdout] a666a511a356a62da8c731801b786c89187aa21ed9d80cbdd2f58e1df058419c
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] dd8b979e8ab7cfe0283cc430b28e5e74bd46eccba1f662069f42654c519e7f2f
[INFO] running `Command { std: "docker" "start" "-a" "dd8b979e8ab7cfe0283cc430b28e5e74bd46eccba1f662069f42654c519e7f2f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/countdown_latch-1ac77b8173405e95)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::tests::multi_thread_await ... ok
[INFO] [stdout] test tests::tests::one_thread_await ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests countdown_latch
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd8b979e8ab7cfe0283cc430b28e5e74bd46eccba1f662069f42654c519e7f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8b979e8ab7cfe0283cc430b28e5e74bd46eccba1f662069f42654c519e7f2f", kill_on_drop: false }`
[INFO] [stdout] dd8b979e8ab7cfe0283cc430b28e5e74bd46eccba1f662069f42654c519e7f2f