[INFO] fetching crate libcgroups 0.6.0...
[INFO] checking libcgroups-0.6.0 against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657
[INFO] extracting crate libcgroups 0.6.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate libcgroups 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate libcgroups 0.6.0
[INFO] tweaked toml for crates.io crate libcgroups 0.6.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libcgroups 0.6.0 on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libcgroups 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73aa3e15f34e130539f5b87087a4c4359cef425037df26b714e3c8d06c308478
[INFO] running `Command { std: "docker" "start" "-a" "73aa3e15f34e130539f5b87087a4c4359cef425037df26b714e3c8d06c308478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73aa3e15f34e130539f5b87087a4c4359cef425037df26b714e3c8d06c308478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73aa3e15f34e130539f5b87087a4c4359cef425037df26b714e3c8d06c308478", kill_on_drop: false }`
[INFO] [stdout] 73aa3e15f34e130539f5b87087a4c4359cef425037df26b714e3c8d06c308478
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae02ba38dd09aaaa594ce412e0d729e18d044f00e61440d7f8e81b0028d7a68d
[INFO] running `Command { std: "docker" "start" "-a" "ae02ba38dd09aaaa594ce412e0d729e18d044f00e61440d7f8e81b0028d7a68d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]     Checking env_filter v1.0.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking jiff v0.2.21
[INFO] [stderr]     Checking chrono v0.4.43
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling mockall_derive v0.14.0
[INFO] [stderr]    Compiling procfs v0.17.0
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling mockall v0.14.0
[INFO] [stderr]    Compiling getset v0.1.6
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]     Checking clap_builder v4.5.53
[INFO] [stderr]     Checking procfs-core v0.17.0
[INFO] [stderr]     Checking const_format v0.2.35
[INFO] [stderr]     Checking predicates v3.1.3
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]    Compiling serial_test_derive v3.4.0
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]     Checking fragile v2.0.1
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking clap v4.5.53
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking rand v0.10.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]    Compiling tempfile v3.24.0
[INFO] [stderr]     Checking serial_test v3.4.0
[INFO] [stderr]    Compiling pathrs v0.2.3
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]     Checking env_logger v0.11.9
[INFO] [stderr]     Checking quickcheck v1.1.0
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]     Checking derive_builder v0.20.2
[INFO] [stderr]     Checking oci-spec v0.9.0
[INFO] [stderr]     Checking libcgroups v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable arm
[INFO] [stdout]   --> src/systemd/pids.rs:73:28
[INFO] [stdout]    |
[INFO] [stdout] 73 |             .map_err(|err| anyhow!(err))
[INFO] [stdout]    |                            ^^^^^^^^---^
[INFO] [stdout]    |                            |       |
[INFO] [stdout]    |                            |       any code following this expression is unreachable
[INFO] [stdout]    |                            unreachable arm
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `anyhow` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/systemd/pids.rs:73:28
[INFO] [stdout]    |
[INFO] [stdout] 73 |             .map_err(|err| anyhow!(err))
[INFO] [stdout]    |                            ^^^^^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `anyhow` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable arm
[INFO] [stdout]   --> src/systemd/pids.rs:94:28
[INFO] [stdout]    |
[INFO] [stdout] 94 |             .map_err(|err| anyhow!(err))
[INFO] [stdout]    |                            ^^^^^^^^---^
[INFO] [stdout]    |                            |       |
[INFO] [stdout]    |                            |       any code following this expression is unreachable
[INFO] [stdout]    |                            unreachable arm
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `anyhow` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/systemd/pids.rs:94:28
[INFO] [stdout]    |
[INFO] [stdout] 94 |             .map_err(|err| anyhow!(err))
[INFO] [stdout]    |                            ^^^^^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `anyhow` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable arm
[INFO] [stdout]    --> src/systemd/pids.rs:115:28
[INFO] [stdout]     |
[INFO] [stdout] 115 |             .map_err(|err| anyhow!(err))
[INFO] [stdout]     |                            ^^^^^^^^---^
[INFO] [stdout]     |                            |       |
[INFO] [stdout]     |                            |       any code following this expression is unreachable
[INFO] [stdout]     |                            unreachable arm
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `anyhow` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/systemd/pids.rs:115:28
[INFO] [stdout]     |
[INFO] [stdout] 115 |             .map_err(|err| anyhow!(err))
[INFO] [stdout]     |                            ^^^^^^^^^^^^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `anyhow` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libcgroups` (lib test) due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ae02ba38dd09aaaa594ce412e0d729e18d044f00e61440d7f8e81b0028d7a68d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae02ba38dd09aaaa594ce412e0d729e18d044f00e61440d7f8e81b0028d7a68d", kill_on_drop: false }`
[INFO] [stdout] ae02ba38dd09aaaa594ce412e0d729e18d044f00e61440d7f8e81b0028d7a68d
