[INFO] fetching crate libcgroups 0.5.7...
[INFO] checking libcgroups-0.5.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate libcgroups 0.5.7 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate libcgroups 0.5.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate libcgroups 0.5.7
[INFO] tweaked toml for crates.io crate libcgroups 0.5.7 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libcgroups 0.5.7 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libcgroups 0.5.7 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5341e5a131362b6ad32fc04dd60df3909ed9326492daaff902d15aed7cb797ab
[INFO] running `Command { std: "docker" "start" "-a" "5341e5a131362b6ad32fc04dd60df3909ed9326492daaff902d15aed7cb797ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5341e5a131362b6ad32fc04dd60df3909ed9326492daaff902d15aed7cb797ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5341e5a131362b6ad32fc04dd60df3909ed9326492daaff902d15aed7cb797ab", kill_on_drop: false }`
[INFO] [stdout] 5341e5a131362b6ad32fc04dd60df3909ed9326492daaff902d15aed7cb797ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34683a0a39a0ea652cb3cac3534e6a9db458c110221a42862fe09080decdcee1
[INFO] running `Command { std: "docker" "start" "-a" "34683a0a39a0ea652cb3cac3534e6a9db458c110221a42862fe09080decdcee1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking getrandom v0.2.13
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking miniz_oxide v0.8.5
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling procfs v0.17.0
[INFO] [stderr]    Compiling mockall_derive v0.13.1
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking flate2 v1.1.5
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking sdd v0.2.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking strum v0.27.1
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking predicates v3.1.0
[INFO] [stderr]     Checking scc v2.1.0
[INFO] [stderr]     Checking clap_builder v4.5.13
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking const_format v0.2.34
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking regex-automata v0.4.12
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling pathrs v0.2.1
[INFO] [stderr]     Checking clap v4.5.13
[INFO] [stderr]     Checking procfs-core v0.17.0
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]     Checking env_logger v0.11.6
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling getset v0.1.5
[INFO] [stderr]    Compiling serial_test_derive v3.2.0
[INFO] [stderr]     Checking serial_test v3.2.0
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]     Checking mockall v0.13.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]     Checking derive_builder v0.20.2
[INFO] [stderr]     Checking oci-spec v0.8.3
[INFO] [stderr]     Checking libcgroups v0.5.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Stats, Infallible>
[INFO] [stdout]   --> src/test_manager.rs:46:50
[INFO] [stdout]    |
[INFO] [stdout] 46 |       fn stats(&self) -> Result<Stats, Infallible> {
[INFO] [stdout]    |  __________________________________________________^
[INFO] [stdout] 47 | |         unimplemented!()
[INFO] [stdout] 48 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Vec<nix::unistd::Pid>, Infallible>
[INFO] [stdout]   --> src/test_manager.rs:50:60
[INFO] [stdout]    |
[INFO] [stdout] 50 |       fn get_all_pids(&self) -> Result<Vec<Pid>, Infallible> {
[INFO] [stdout]    |  ____________________________________________________________^
[INFO] [stdout] 51 | |         unimplemented!()
[INFO] [stdout] 52 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libcgroups` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<stats::Stats, Infallible>
[INFO] [stdout]   --> src/test_manager.rs:46:50
[INFO] [stdout]    |
[INFO] [stdout] 46 |       fn stats(&self) -> Result<Stats, Infallible> {
[INFO] [stdout]    |  __________________________________________________^
[INFO] [stdout] 47 | |         unimplemented!()
[INFO] [stdout] 48 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Vec<nix::unistd::Pid>, Infallible>
[INFO] [stdout]   --> src/test_manager.rs:50:60
[INFO] [stdout]    |
[INFO] [stdout] 50 |       fn get_all_pids(&self) -> Result<Vec<Pid>, Infallible> {
[INFO] [stdout]    |  ____________________________________________________________^
[INFO] [stdout] 51 | |         unimplemented!()
[INFO] [stdout] 52 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libcgroups` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "34683a0a39a0ea652cb3cac3534e6a9db458c110221a42862fe09080decdcee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34683a0a39a0ea652cb3cac3534e6a9db458c110221a42862fe09080decdcee1", kill_on_drop: false }`
[INFO] [stdout] 34683a0a39a0ea652cb3cac3534e6a9db458c110221a42862fe09080decdcee1