[INFO] fetching crate cut-optimizer-1d 0.2.2...
[INFO] checking cut-optimizer-1d-0.2.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate cut-optimizer-1d 0.2.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate cut-optimizer-1d 0.2.2
[INFO] finished tweaking crates.io crate cut-optimizer-1d 0.2.2
[INFO] tweaked toml for crates.io crate cut-optimizer-1d 0.2.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cut-optimizer-1d 0.2.2 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 81 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.6.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c736271f10a596bef58421fd4d36982916cd26e7552516521e4104ec12875bf1
[INFO] running `Command { std: "docker" "start" "-a" "c736271f10a596bef58421fd4d36982916cd26e7552516521e4104ec12875bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c736271f10a596bef58421fd4d36982916cd26e7552516521e4104ec12875bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c736271f10a596bef58421fd4d36982916cd26e7552516521e4104ec12875bf1", kill_on_drop: false }`
[INFO] [stdout] c736271f10a596bef58421fd4d36982916cd26e7552516521e4104ec12875bf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 023054fbdbfdf63e1fed07bf572f3b9146e65c452aea83b3004e3c839c07fbb0
[INFO] running `Command { std: "docker" "start" "-a" "023054fbdbfdf63e1fed07bf572f3b9146e65c452aea83b3004e3c839c07fbb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking cut-optimizer-1d v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MockUnit` is never constructed
[INFO] [stdout]   --> src/genetic/test.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct MockUnit {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FloatyUnit` is never constructed
[INFO] [stdout]   --> src/genetic/test.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct FloatyUnit {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TendUnit` is never constructed
[INFO] [stdout]   --> src/genetic/test.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct TendUnit {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.29s
[INFO] running `Command { std: "docker" "inspect" "023054fbdbfdf63e1fed07bf572f3b9146e65c452aea83b3004e3c839c07fbb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "023054fbdbfdf63e1fed07bf572f3b9146e65c452aea83b3004e3c839c07fbb0", kill_on_drop: false }`
[INFO] [stdout] 023054fbdbfdf63e1fed07bf572f3b9146e65c452aea83b3004e3c839c07fbb0