[INFO] fetching crate carboxyl 0.2.2...
[INFO] checking carboxyl-0.2.2 against master#69fd5e4059f8840f09f60269bcda23dcdcb77151 for pr-135733
[INFO] extracting crate carboxyl 0.2.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate carboxyl 0.2.2 on toolchain 69fd5e4059f8840f09f60269bcda23dcdcb77151
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+69fd5e4059f8840f09f60269bcda23dcdcb77151" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate carboxyl 0.2.2
[INFO] finished tweaking crates.io crate carboxyl 0.2.2
[INFO] tweaked toml for crates.io crate carboxyl 0.2.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+69fd5e4059f8840f09f60269bcda23dcdcb77151" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 101 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+69fd5e4059f8840f09f60269bcda23dcdcb77151" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+69fd5e4059f8840f09f60269bcda23dcdcb77151" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45cff949f0b50d4a45d4891f7856b7a3869bb1874439542b9a48a6d1a37271ec
[INFO] running `Command { std: "docker" "start" "-a" "45cff949f0b50d4a45d4891f7856b7a3869bb1874439542b9a48a6d1a37271ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45cff949f0b50d4a45d4891f7856b7a3869bb1874439542b9a48a6d1a37271ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45cff949f0b50d4a45d4891f7856b7a3869bb1874439542b9a48a6d1a37271ec", kill_on_drop: false }`
[INFO] [stdout] 45cff949f0b50d4a45d4891f7856b7a3869bb1874439542b9a48a6d1a37271ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+69fd5e4059f8840f09f60269bcda23dcdcb77151" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6794a245fbf99d8714c717bbc1b9f1f1a66d5d6fbdcbe222846bd8e4160d46f
[INFO] running `Command { std: "docker" "start" "-a" "f6794a245fbf99d8714c717bbc1b9f1f1a66d5d6fbdcbe222846bd8e4160d46f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.14.0
[INFO] [stderr]    Compiling bytecount v0.6.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking clap_builder v4.5.31
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]    Compiling tempfile v3.17.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking is-terminal v0.4.15
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking clap v4.5.31
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking cargo-platform v0.1.9
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking cargo_metadata v0.14.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking skeptic v0.13.7
[INFO] [stderr]    Compiling carboxyl v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value captured by `terminate` is never read
[INFO] [stdout]    --> src/signal.rs:439:21
[INFO] [stdout]     |
[INFO] [stdout] 439 |                     terminate = Arc::new(());
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]   --> benches/first_order.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 format!("{}", s);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]   --> benches/first_order.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 format!("{}", i);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]   --> benches/second_order.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             format!("{}", signal.sample());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `terminate` is never read
[INFO] [stdout]    --> src/signal.rs:439:21
[INFO] [stdout]     |
[INFO] [stdout] 439 |                     terminate = Arc::new(());
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "f6794a245fbf99d8714c717bbc1b9f1f1a66d5d6fbdcbe222846bd8e4160d46f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6794a245fbf99d8714c717bbc1b9f1f1a66d5d6fbdcbe222846bd8e4160d46f", kill_on_drop: false }`
[INFO] [stdout] f6794a245fbf99d8714c717bbc1b9f1f1a66d5d6fbdcbe222846bd8e4160d46f