[INFO] fetching crate nstd_io 0.5.0...
[INFO] testing nstd_io-0.5.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate nstd_io 0.5.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate nstd_io 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_io 0.5.0
[INFO] finished tweaking crates.io crate nstd_io 0.5.0
[INFO] tweaked toml for crates.io crate nstd_io 0.5.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4fcf03b5d5e7a06c5508b2eeaa9a54dcd4b6a79bab984ac61c193c4175d03cbd
[INFO] running `Command { std: "docker" "start" "-a" "4fcf03b5d5e7a06c5508b2eeaa9a54dcd4b6a79bab984ac61c193c4175d03cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fcf03b5d5e7a06c5508b2eeaa9a54dcd4b6a79bab984ac61c193c4175d03cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fcf03b5d5e7a06c5508b2eeaa9a54dcd4b6a79bab984ac61c193c4175d03cbd", kill_on_drop: false }`
[INFO] [stdout] 4fcf03b5d5e7a06c5508b2eeaa9a54dcd4b6a79bab984ac61c193c4175d03cbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] dc6d96a292d99863891c093729caa38ef32cb82258beec7790848c1c70fe262e
[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" "dc6d96a292d99863891c093729caa38ef32cb82258beec7790848c1c70fe262e", kill_on_drop: false }`
[INFO] [stderr]    Compiling platforms v2.0.0
[INFO] [stderr]    Compiling nstd_core v0.5.0
[INFO] [stderr]    Compiling nstd_io v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "dc6d96a292d99863891c093729caa38ef32cb82258beec7790848c1c70fe262e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc6d96a292d99863891c093729caa38ef32cb82258beec7790848c1c70fe262e", kill_on_drop: false }`
[INFO] [stdout] dc6d96a292d99863891c093729caa38ef32cb82258beec7790848c1c70fe262e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ad665ec74a255db9be6b2ee19cb688e085c00f93f6dfc8ee41ea94d2b7f1d281
[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" "ad665ec74a255db9be6b2ee19cb688e085c00f93f6dfc8ee41ea94d2b7f1d281", kill_on_drop: false }`
[INFO] [stderr]    Compiling nstd_io v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "ad665ec74a255db9be6b2ee19cb688e085c00f93f6dfc8ee41ea94d2b7f1d281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad665ec74a255db9be6b2ee19cb688e085c00f93f6dfc8ee41ea94d2b7f1d281", kill_on_drop: false }`
[INFO] [stdout] ad665ec74a255db9be6b2ee19cb688e085c00f93f6dfc8ee41ea94d2b7f1d281
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] c3f0918a44a4d420ba69bd091846694f5b433cfd0accf7a900abff07bb44d2de
[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" "c3f0918a44a4d420ba69bd091846694f5b433cfd0accf7a900abff07bb44d2de", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nstd_io-5c9bc8f180fcf900)
[INFO] [stderr]    Doc-tests nstd_io
[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] [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" "c3f0918a44a4d420ba69bd091846694f5b433cfd0accf7a900abff07bb44d2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3f0918a44a4d420ba69bd091846694f5b433cfd0accf7a900abff07bb44d2de", kill_on_drop: false }`
[INFO] [stdout] c3f0918a44a4d420ba69bd091846694f5b433cfd0accf7a900abff07bb44d2de