[INFO] cloning repository https://github.com/spearskw/profiling-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spearskw/profiling-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspearskw%2Fprofiling-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspearskw%2Fprofiling-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0471f3cae1a7d876bb70932cb81e605117825d7
[INFO] checking spearskw/profiling-rust against master#8f08b3a32478b8d0507732800ecb548a76e0fd0c for pr-144157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspearskw%2Fprofiling-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/spearskw/profiling-rust
[INFO] finished tweaking git repo https://github.com/spearskw/profiling-rust
[INFO] tweaked toml for git repo https://github.com/spearskw/profiling-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/spearskw/profiling-rust on toolchain 8f08b3a32478b8d0507732800ecb548a76e0fd0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/spearskw/profiling-rust 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" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29b8a80e9dda0aefa59213fb175616a6656ce99d6b0055f3111875f795b8c85c
[INFO] running `Command { std: "docker" "start" "-a" "29b8a80e9dda0aefa59213fb175616a6656ce99d6b0055f3111875f795b8c85c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29b8a80e9dda0aefa59213fb175616a6656ce99d6b0055f3111875f795b8c85c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b8a80e9dda0aefa59213fb175616a6656ce99d6b0055f3111875f795b8c85c", kill_on_drop: false }`
[INFO] [stdout] 29b8a80e9dda0aefa59213fb175616a6656ce99d6b0055f3111875f795b8c85c
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86ccfe8ba1b10eaff0183abf5e4cf29e06e309255c30c6430a324c14ba2fe3e5
[INFO] running `Command { std: "docker" "start" "-a" "86ccfe8ba1b10eaff0183abf5e4cf29e06e309255c30c6430a324c14ba2fe3e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tsp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `calc_cost`
[INFO] [stdout]  --> src/solver_test.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use crate::solver::{calc_cost, calc_cost_delta, find_neighboring_nodes, find_new_edges, find_old_edges};
[INFO] [stdout]   |                         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.74s
[INFO] running `Command { std: "docker" "inspect" "86ccfe8ba1b10eaff0183abf5e4cf29e06e309255c30c6430a324c14ba2fe3e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86ccfe8ba1b10eaff0183abf5e4cf29e06e309255c30c6430a324c14ba2fe3e5", kill_on_drop: false }`
[INFO] [stdout] 86ccfe8ba1b10eaff0183abf5e4cf29e06e309255c30c6430a324c14ba2fe3e5