[INFO] fetching crate cgroupfs 0.4.1...
[INFO] testing cgroupfs-0.4.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate cgroupfs 0.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cgroupfs 0.4.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openat v0.1.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74a410ce3a79e26fc06bd3285b0454886700f551ad0bd7677711dcfcacbca949
[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" "74a410ce3a79e26fc06bd3285b0454886700f551ad0bd7677711dcfcacbca949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74a410ce3a79e26fc06bd3285b0454886700f551ad0bd7677711dcfcacbca949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a410ce3a79e26fc06bd3285b0454886700f551ad0bd7677711dcfcacbca949", kill_on_drop: false }`
[INFO] [stdout] 74a410ce3a79e26fc06bd3285b0454886700f551ad0bd7677711dcfcacbca949
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36525651e766d9b723994d8aa6f0e438780b62dcd39f3eaed4f1ec6d143f0e99
[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" "36525651e766d9b723994d8aa6f0e438780b62dcd39f3eaed4f1ec6d143f0e99", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling openat v0.1.21
[INFO] [stderr]    Compiling nix v0.22.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.82
[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 38.56s
[INFO] running `Command { std: "docker" "inspect" "36525651e766d9b723994d8aa6f0e438780b62dcd39f3eaed4f1ec6d143f0e99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36525651e766d9b723994d8aa6f0e438780b62dcd39f3eaed4f1ec6d143f0e99", kill_on_drop: false }`
[INFO] [stdout] 36525651e766d9b723994d8aa6f0e438780b62dcd39f3eaed4f1ec6d143f0e99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] 78d6071bd28500075a3b02ec107bf86f8fe26a7724e574138647b1ff579b601d
[INFO] running `Command { std: "docker" "start" "-a" "78d6071bd28500075a3b02ec107bf86f8fe26a7724e574138647b1ff579b601d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[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 8.80s
[INFO] running `Command { std: "docker" "inspect" "78d6071bd28500075a3b02ec107bf86f8fe26a7724e574138647b1ff579b601d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d6071bd28500075a3b02ec107bf86f8fe26a7724e574138647b1ff579b601d", kill_on_drop: false }`
[INFO] [stdout] 78d6071bd28500075a3b02ec107bf86f8fe26a7724e574138647b1ff579b601d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3e21a0d76c1c3931c88d08799d54e8de7dd6eb8179199ee6b86597c7642ea43
[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" "c3e21a0d76c1c3931c88d08799d54e8de7dd6eb8179199ee6b86597c7642ea43", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cgroupfs-8cd780a28cad16ec)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test test::test_cpu_stat_invalid_format ... ok
[INFO] [stdout] test test::test_cpu_stat_parse_failure ... ok
[INFO] [stdout] test test::test_child_cgroup_iter ... ok
[INFO] [stdout] test test::test_cpu_pressure_success ... ok
[INFO] [stdout] test test::test_child_cgroup_iter_with_file ... ok
[INFO] [stdout] test test::test_cpu_stat_success ... ok
[INFO] [stdout] test test::test_child_cgroup_iter_empty ... ok
[INFO] [stdout] test test::test_cpu_pressure_empty_file ... ok
[INFO] [stdout] test test::test_io_pressure_empty_file ... ok
[INFO] [stdout] test test::test_memory_current_success ... ok
[INFO] [stdout] test test::test_io_stat_parse_failure ... ok
[INFO] [stdout] test test::test_memory_stat_invalid_format ... ok
[INFO] [stdout] test test::test_memory_current_parse_failure ... ok
[INFO] [stdout] test test::test_io_stat_success ... ok
[INFO] [stdout] test test::test_memory_current_invalid_format ... ok
[INFO] [stdout] test test::test_read_inode_number ... ok
[INFO] [stdout] test test::test_memory_high_success ... ok
[INFO] [stdout] test test::test_memory_high_failure ... ok
[INFO] [stdout] test test::test_memory_stat_success ... ok
[INFO] [stdout] test test::test_io_pressure_success ... ok
[INFO] [stdout] test test::test_memory_stat_parse_failure ... ok
[INFO] [stdout] test test::test_memory_pressure_empty_file ... ok
[INFO] [stdout] test test::test_memory_high_max_success ... ok
[INFO] [stdout] test test::test_memory_swap_current_success ... ok
[INFO] [stdout] test test::test_io_stat_empty_file ... ok
[INFO] [stdout] test test::test_memory_pressure_success ... ok
[INFO] [stdout] test test::test_memory_stat_overflow ... ok
[INFO] [stdout] test test::test_root_cgroup_name_is_empty ... ok
[INFO] [stdout] test test::test_validate_cgroup2_fs ... 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" "c3e21a0d76c1c3931c88d08799d54e8de7dd6eb8179199ee6b86597c7642ea43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e21a0d76c1c3931c88d08799d54e8de7dd6eb8179199ee6b86597c7642ea43", kill_on_drop: false }`
[INFO] [stdout] c3e21a0d76c1c3931c88d08799d54e8de7dd6eb8179199ee6b86597c7642ea43