[INFO] cloning repository https://github.com/romnn/par-dfs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/romnn/par-dfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromnn%2Fpar-dfs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromnn%2Fpar-dfs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e69678ab1cbda48f2d51da14eea81d043630477
[INFO] checking romnn/par-dfs/6e69678ab1cbda48f2d51da14eea81d043630477 against master#4ecd70ddd1039a3954056c1071e40278048476fa for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromnn%2Fpar-dfs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/romnn/par-dfs on toolchain 4ecd70ddd1039a3954056c1071e40278048476fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/romnn/par-dfs
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/romnn/par-dfs
[INFO] tweaked toml for git repo https://github.com/romnn/par-dfs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/romnn/par-dfs 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" "+4ecd70ddd1039a3954056c1071e40278048476fa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a97df0fe08fa0efc94ede64646a953431c83359b90db324af5d629d0ee2c7b16
[INFO] running `Command { std: "docker" "start" "-a" "a97df0fe08fa0efc94ede64646a953431c83359b90db324af5d629d0ee2c7b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a97df0fe08fa0efc94ede64646a953431c83359b90db324af5d629d0ee2c7b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a97df0fe08fa0efc94ede64646a953431c83359b90db324af5d629d0ee2c7b16", kill_on_drop: false }`
[INFO] [stdout] a97df0fe08fa0efc94ede64646a953431c83359b90db324af5d629d0ee2c7b16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+4ecd70ddd1039a3954056c1071e40278048476fa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 256c15f2498d35565991dd5558e9ad66c8f9436f94ead43d80a84bcf82e62448
[INFO] running `Command { std: "docker" "start" "-a" "256c15f2498d35565991dd5558e9ad66c8f9436f94ead43d80a84bcf82e62448", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling thiserror v2.0.9
[INFO] [stderr]     Checking slab v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking anstyle-parse v0.2.6
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[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
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[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking bytes v1.9.0
[INFO] [stderr]     Checking similar v2.6.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking clap_builder v4.5.23
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling syn v2.0.94
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking console v0.15.10
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking similar-asserts v1.6.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling thiserror-impl v2.0.9
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.7
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking tokio v1.42.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking pin-project v1.1.7
[INFO] [stderr]     Checking clap v4.5.23
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking tokio-test v0.4.4
[INFO] [stderr]     Checking par-dfs v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking collatz-dfs v0.1.0 (/opt/rustwide/workdir/crates/collatz-dfs)
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.89s
[INFO] running `Command { std: "docker" "inspect" "256c15f2498d35565991dd5558e9ad66c8f9436f94ead43d80a84bcf82e62448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "256c15f2498d35565991dd5558e9ad66c8f9436f94ead43d80a84bcf82e62448", kill_on_drop: false }`
[INFO] [stdout] 256c15f2498d35565991dd5558e9ad66c8f9436f94ead43d80a84bcf82e62448