[INFO] fetching crate rw_lease 0.1.0...
[INFO] testing rw_lease-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rw_lease 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rw_lease 0.1.0 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 rw_lease 0.1.0
[INFO] finished tweaking crates.io crate rw_lease 0.1.0
[INFO] tweaked toml for crates.io crate rw_lease 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 atomic_prim_traits v0.2.0
[INFO] [stderr]   Downloaded primitive_traits v0.2.0
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81e43696cafc85ee61a58322fd699c5411b7e63e923267dbc57c565c88464154
[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" "81e43696cafc85ee61a58322fd699c5411b7e63e923267dbc57c565c88464154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81e43696cafc85ee61a58322fd699c5411b7e63e923267dbc57c565c88464154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81e43696cafc85ee61a58322fd699c5411b7e63e923267dbc57c565c88464154", kill_on_drop: false }`
[INFO] [stdout] 81e43696cafc85ee61a58322fd699c5411b7e63e923267dbc57c565c88464154
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e63fb1e0baa8e1bb1493e2a10dcb753e08752513ffbead6a2c37abb6da7b1b3b
[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" "e63fb1e0baa8e1bb1493e2a10dcb753e08752513ffbead6a2c37abb6da7b1b3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling atomic_prim_traits v0.2.0
[INFO] [stderr]    Compiling primitive_traits v0.2.0
[INFO] [stderr]    Compiling rw_lease v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "e63fb1e0baa8e1bb1493e2a10dcb753e08752513ffbead6a2c37abb6da7b1b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e63fb1e0baa8e1bb1493e2a10dcb753e08752513ffbead6a2c37abb6da7b1b3b", kill_on_drop: false }`
[INFO] [stdout] e63fb1e0baa8e1bb1493e2a10dcb753e08752513ffbead6a2c37abb6da7b1b3b
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 1ae4ebfedcead8503ae294c0b3dc73d0e45ed862ccbf5bfa0399f68f8cdcf493
[INFO] running `Command { std: "docker" "start" "-a" "1ae4ebfedcead8503ae294c0b3dc73d0e45ed862ccbf5bfa0399f68f8cdcf493", kill_on_drop: false }`
[INFO] [stderr]    Compiling rw_lease v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "1ae4ebfedcead8503ae294c0b3dc73d0e45ed862ccbf5bfa0399f68f8cdcf493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae4ebfedcead8503ae294c0b3dc73d0e45ed862ccbf5bfa0399f68f8cdcf493", kill_on_drop: false }`
[INFO] [stdout] 1ae4ebfedcead8503ae294c0b3dc73d0e45ed862ccbf5bfa0399f68f8cdcf493
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c67e15b8697257a91ed90b64380f429d2cee79c011fef788f5f631015710b0de
[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" "c67e15b8697257a91ed90b64380f429d2cee79c011fef788f5f631015710b0de", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rw_lease-1aa4878450c79019)
[INFO] [stdout] test tests::read_with_writer ... ok
[INFO] [stdout] test tests::read_all_ones ... ok
[INFO] [stdout] test tests::solo_writing ... ok
[INFO] [stderr]    Doc-tests rw_lease
[INFO] [stdout] test tests::read_with_max_readers ... ok
[INFO] [stdout] test tests::solo_reading ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "c67e15b8697257a91ed90b64380f429d2cee79c011fef788f5f631015710b0de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c67e15b8697257a91ed90b64380f429d2cee79c011fef788f5f631015710b0de", kill_on_drop: false }`
[INFO] [stdout] c67e15b8697257a91ed90b64380f429d2cee79c011fef788f5f631015710b0de