[INFO] fetching crate nstd_fs 0.5.0...
[INFO] testing nstd_fs-0.5.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate nstd_fs 0.5.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate nstd_fs 0.5.0 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 nstd_fs 0.5.0
[INFO] finished tweaking crates.io crate nstd_fs 0.5.0
[INFO] tweaked toml for crates.io crate nstd_fs 0.5.0 written to /workspace/builds/worker-12/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-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae240389ead39e4d7b2c4e361fe85b911c6cdb5d664679785dcde0d46502d946
[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" "ae240389ead39e4d7b2c4e361fe85b911c6cdb5d664679785dcde0d46502d946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae240389ead39e4d7b2c4e361fe85b911c6cdb5d664679785dcde0d46502d946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae240389ead39e4d7b2c4e361fe85b911c6cdb5d664679785dcde0d46502d946", kill_on_drop: false }`
[INFO] [stdout] ae240389ead39e4d7b2c4e361fe85b911c6cdb5d664679785dcde0d46502d946
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] b34254ac01d78f33be1be9033df8a6707fa0871c8d12617b23bd7591ff65cf86
[INFO] running `Command { std: "docker" "start" "-a" "b34254ac01d78f33be1be9033df8a6707fa0871c8d12617b23bd7591ff65cf86", kill_on_drop: false }`
[INFO] [stderr]    Compiling platforms v2.0.0
[INFO] [stderr]    Compiling nstd_core v0.5.0
[INFO] [stderr]    Compiling nstd_alloc v0.5.0
[INFO] [stderr]    Compiling nstd_collections v0.5.0
[INFO] [stderr]    Compiling nstd_fs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.38s
[INFO] running `Command { std: "docker" "inspect" "b34254ac01d78f33be1be9033df8a6707fa0871c8d12617b23bd7591ff65cf86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b34254ac01d78f33be1be9033df8a6707fa0871c8d12617b23bd7591ff65cf86", kill_on_drop: false }`
[INFO] [stdout] b34254ac01d78f33be1be9033df8a6707fa0871c8d12617b23bd7591ff65cf86
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de1ae1e7b8b5ddc42e5b55abee9ea2a856e670d1b0d882d11996b65143e89876
[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" "de1ae1e7b8b5ddc42e5b55abee9ea2a856e670d1b0d882d11996b65143e89876", kill_on_drop: false }`
[INFO] [stderr]    Compiling nstd_fs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "de1ae1e7b8b5ddc42e5b55abee9ea2a856e670d1b0d882d11996b65143e89876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de1ae1e7b8b5ddc42e5b55abee9ea2a856e670d1b0d882d11996b65143e89876", kill_on_drop: false }`
[INFO] [stdout] de1ae1e7b8b5ddc42e5b55abee9ea2a856e670d1b0d882d11996b65143e89876
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22c9d50aaa6a5c29aa81fa89064f9ca1dba8325604b490d17542f6cfc89efb2b
[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" "22c9d50aaa6a5c29aa81fa89064f9ca1dba8325604b490d17542f6cfc89efb2b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nstd_fs-27859a3dd11e15a9)
[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] [stderr]    Doc-tests nstd_fs
[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" "22c9d50aaa6a5c29aa81fa89064f9ca1dba8325604b490d17542f6cfc89efb2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22c9d50aaa6a5c29aa81fa89064f9ca1dba8325604b490d17542f6cfc89efb2b", kill_on_drop: false }`
[INFO] [stdout] 22c9d50aaa6a5c29aa81fa89064f9ca1dba8325604b490d17542f6cfc89efb2b