[INFO] fetching crate cgroupfs 0.4.1...
[INFO] testing cgroupfs-0.4.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate cgroupfs 0.4.1 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate cgroupfs 0.4.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cgroupfs 0.4.1
[INFO] finished tweaking crates.io crate cgroupfs 0.4.1
[INFO] tweaked toml for crates.io crate cgroupfs 0.4.1 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22cbfb89cab45fc801ab3bcc89ff9ecf9ccd8ed9601abd096d0626675173e601
[INFO] running `Command { std: "docker" "start" "-a" "22cbfb89cab45fc801ab3bcc89ff9ecf9ccd8ed9601abd096d0626675173e601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22cbfb89cab45fc801ab3bcc89ff9ecf9ccd8ed9601abd096d0626675173e601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22cbfb89cab45fc801ab3bcc89ff9ecf9ccd8ed9601abd096d0626675173e601", kill_on_drop: false }`
[INFO] [stdout] 22cbfb89cab45fc801ab3bcc89ff9ecf9ccd8ed9601abd096d0626675173e601
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02786fe4c0e00b0d8a45b47418fed9bd7ee7ba810b897e5334fbe68ab91464bf
[INFO] running `Command { std: "docker" "start" "-a" "02786fe4c0e00b0d8a45b47418fed9bd7ee7ba810b897e5334fbe68ab91464bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling openat v0.1.21
[INFO] [stderr]    Compiling nix v0.22.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling cgroupfs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.86s
[INFO] running `Command { std: "docker" "inspect" "02786fe4c0e00b0d8a45b47418fed9bd7ee7ba810b897e5334fbe68ab91464bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02786fe4c0e00b0d8a45b47418fed9bd7ee7ba810b897e5334fbe68ab91464bf", kill_on_drop: false }`
[INFO] [stdout] 02786fe4c0e00b0d8a45b47418fed9bd7ee7ba810b897e5334fbe68ab91464bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c1068d9247df22bcd142be53b06823e00bcd31cd66b134789a1d72b00329236
[INFO] running `Command { std: "docker" "start" "-a" "3c1068d9247df22bcd142be53b06823e00bcd31cd66b134789a1d72b00329236", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling cgroupfs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.03s
[INFO] running `Command { std: "docker" "inspect" "3c1068d9247df22bcd142be53b06823e00bcd31cd66b134789a1d72b00329236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c1068d9247df22bcd142be53b06823e00bcd31cd66b134789a1d72b00329236", kill_on_drop: false }`
[INFO] [stdout] 3c1068d9247df22bcd142be53b06823e00bcd31cd66b134789a1d72b00329236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f37c0c9673477a81401133d48b51ee310402269ce5b141817d94377f7de44b02
[INFO] running `Command { std: "docker" "start" "-a" "f37c0c9673477a81401133d48b51ee310402269ce5b141817d94377f7de44b02", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cgroupfs-38d28e1fec4dbab9)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test test::test_memory_stat_success ... ok
[INFO] [stdout] test test::test_memory_stat_overflow ... ok
[INFO] [stdout] test test::test_io_stat_success ... ok
[INFO] [stdout] test test::test_memory_swap_current_success ... ok
[INFO] [stdout] test test::test_validate_cgroup2_fs ... ok
[INFO] [stdout] test test::test_memory_pressure_empty_file ... ok
[INFO] [stdout] test test::test_child_cgroup_iter ... ok
[INFO] [stdout] test test::test_root_cgroup_name_is_empty ... ok
[INFO] [stdout] test test::test_io_stat_parse_failure ... ok
[INFO] [stdout] test test::test_io_stat_empty_file ... ok
[INFO] [stdout] test test::test_cpu_pressure_success ... ok
[INFO] [stdout] test test::test_cpu_stat_parse_failure ... ok
[INFO] [stdout] test test::test_memory_pressure_success ... ok
[INFO] [stdout] test test::test_io_pressure_success ... ok
[INFO] [stdout] test test::test_memory_high_failure ... ok
[INFO] [stdout] test test::test_cpu_pressure_empty_file ... ok
[INFO] [stdout] test test::test_memory_stat_invalid_format ... ok
[INFO] [stdout] test test::test_cpu_stat_success ... ok
[INFO] [stdout] test test::test_child_cgroup_iter_with_file ... ok
[INFO] [stdout] test test::test_memory_high_max_success ... ok
[INFO] [stdout] test test::test_cpu_stat_invalid_format ... ok
[INFO] [stdout] test test::test_memory_current_success ... ok
[INFO] [stdout] test test::test_memory_current_parse_failure ... ok
[INFO] [stdout] test test::test_child_cgroup_iter_empty ... ok
[INFO] [stdout] test test::test_memory_current_invalid_format ... ok
[INFO] [stdout] test test::test_io_pressure_empty_file ... ok
[INFO] [stdout] test test::test_read_inode_number ... ok
[INFO] [stdout] test test::test_memory_stat_parse_failure ... ok
[INFO] [stdout] test test::test_memory_high_success ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cgroupfs
[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" "f37c0c9673477a81401133d48b51ee310402269ce5b141817d94377f7de44b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f37c0c9673477a81401133d48b51ee310402269ce5b141817d94377f7de44b02", kill_on_drop: false }`
[INFO] [stdout] f37c0c9673477a81401133d48b51ee310402269ce5b141817d94377f7de44b02