[INFO] fetching crate inferno 0.12.3...
[INFO] checking inferno-0.12.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate inferno 0.12.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate inferno 0.12.3
[INFO] finished tweaking crates.io crate inferno 0.12.3
[INFO] tweaked toml for crates.io crate inferno 0.12.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate inferno 0.12.3 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 inferno 0.12.3 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] [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c26bbea1492d6e695b6a120352f87064834ee5daecedf1d179b33501fe9d5157
[INFO] running `Command { std: "docker" "start" "-a" "c26bbea1492d6e695b6a120352f87064834ee5daecedf1d179b33501fe9d5157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c26bbea1492d6e695b6a120352f87064834ee5daecedf1d179b33501fe9d5157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26bbea1492d6e695b6a120352f87064834ee5daecedf1d179b33501fe9d5157", kill_on_drop: false }`
[INFO] [stdout] c26bbea1492d6e695b6a120352f87064834ee5daecedf1d179b33501fe9d5157
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 948402156a5838c15910d65605b567f48df8fcaedbc38a5b3d7f0c536fb8e0bf
[INFO] running `Command { std: "docker" "start" "-a" "948402156a5838c15910d65605b567f48df8fcaedbc38a5b3d7f0c536fb8e0bf", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.21.1
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking quick-xml v0.37.2
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]     Checking clap_builder v4.4.18
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking rgb v0.8.50
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]     Checking indexmap v2.8.0
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking half v2.5.0
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking env_logger v0.11.7
[INFO] [stderr]    Compiling assert_cmd v2.0.16
[INFO] [stderr]     Checking rle-decode-fast v1.0.3
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking predicates v3.1.3
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking dary_heap v0.3.7
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking testing_logger v0.1.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking libflate_lz77 v2.1.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking libflate v2.1.0
[INFO] [stderr]     Checking bstr v1.11.3
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking clap v4.4.18
[INFO] [stderr]     Checking inferno v0.12.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/collapse/common.rs:483:59
[INFO] [stdout]     |
[INFO] [stdout] 483 | pub(crate) fn fix_partially_demangled_rust_symbol(symbol: &str) -> Cow<str> {
[INFO] [stdout]     |                                                           ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                           |
[INFO] [stdout]     |                                                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 483 | pub(crate) fn fix_partially_demangled_rust_symbol(symbol: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/bin/flamegraph.rs:466:32
[INFO] [stdout]     |
[INFO] [stdout] 466 |         assert_eq!(infiles[0], PathBuf::from_str("test_infile1").unwrap());
[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: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/bin/flamegraph.rs:467:32
[INFO] [stdout]     |
[INFO] [stdout] 467 |         assert_eq!(infiles[1], PathBuf::from_str("test_infile2").unwrap());
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inferno` (bin "inferno-flamegraph" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/collapse/common.rs:483:59
[INFO] [stdout]     |
[INFO] [stdout] 483 | pub(crate) fn fix_partially_demangled_rust_symbol(symbol: &str) -> Cow<str> {
[INFO] [stdout]     |                                                           ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                           |
[INFO] [stdout]     |                                                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 483 | pub(crate) fn fix_partially_demangled_rust_symbol(symbol: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "948402156a5838c15910d65605b567f48df8fcaedbc38a5b3d7f0c536fb8e0bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "948402156a5838c15910d65605b567f48df8fcaedbc38a5b3d7f0c536fb8e0bf", kill_on_drop: false }`
[INFO] [stdout] 948402156a5838c15910d65605b567f48df8fcaedbc38a5b3d7f0c536fb8e0bf
