[INFO] fetching crate whiteout 1.0.1...
[INFO] testing whiteout-1.0.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate whiteout 1.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate whiteout 1.0.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate whiteout 1.0.1
[INFO] finished tweaking crates.io crate whiteout 1.0.1
[INFO] tweaked toml for crates.io crate whiteout 1.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a7ba1685a9be6d5fe4a3f37ee5ee850f44ca2302482712cdf4fa5909e8d2f54
[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" "5a7ba1685a9be6d5fe4a3f37ee5ee850f44ca2302482712cdf4fa5909e8d2f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a7ba1685a9be6d5fe4a3f37ee5ee850f44ca2302482712cdf4fa5909e8d2f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a7ba1685a9be6d5fe4a3f37ee5ee850f44ca2302482712cdf4fa5909e8d2f54", kill_on_drop: false }`
[INFO] [stdout] 5a7ba1685a9be6d5fe4a3f37ee5ee850f44ca2302482712cdf4fa5909e8d2f54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05dc63462aeccbdb444a8c136a6e7dab475d0652fe7814413a048781fc883fb4
[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" "05dc63462aeccbdb444a8c136a6e7dab475d0652fe7814413a048781fc883fb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling whiteout v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "05dc63462aeccbdb444a8c136a6e7dab475d0652fe7814413a048781fc883fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05dc63462aeccbdb444a8c136a6e7dab475d0652fe7814413a048781fc883fb4", kill_on_drop: false }`
[INFO] [stdout] 05dc63462aeccbdb444a8c136a6e7dab475d0652fe7814413a048781fc883fb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-02-22" "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] 05474c4ccd31e6b8f78c6132bb816d87b14f13a0fb3004e523df3af40ebfccab
[INFO] running `Command { std: "docker" "start" "-a" "05474c4ccd31e6b8f78c6132bb816d87b14f13a0fb3004e523df3af40ebfccab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling whiteout v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "05474c4ccd31e6b8f78c6132bb816d87b14f13a0fb3004e523df3af40ebfccab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05474c4ccd31e6b8f78c6132bb816d87b14f13a0fb3004e523df3af40ebfccab", kill_on_drop: false }`
[INFO] [stdout] 05474c4ccd31e6b8f78c6132bb816d87b14f13a0fb3004e523df3af40ebfccab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ef89469e2b87ff4093572b2c3d5615ddbc78caf70ff4b02fa82547073bbfcb5
[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" "1ef89469e2b87ff4093572b2c3d5615ddbc78caf70ff4b02fa82547073bbfcb5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/whiteout-c0e4d568cf49ca86)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests whiteout
[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 4 tests
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/lib.rs - erase (line 117) ... ok
[INFO] [stdout] test src/lib.rs - eraser (line 65) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.93s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ef89469e2b87ff4093572b2c3d5615ddbc78caf70ff4b02fa82547073bbfcb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef89469e2b87ff4093572b2c3d5615ddbc78caf70ff4b02fa82547073bbfcb5", kill_on_drop: false }`
[INFO] [stdout] 1ef89469e2b87ff4093572b2c3d5615ddbc78caf70ff4b02fa82547073bbfcb5