[INFO] cloning repository https://github.com/amedeedaboville/tsplib-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amedeedaboville/tsplib-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famedeedaboville%2Ftsplib-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famedeedaboville%2Ftsplib-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d6870974557d61f661f3dfe92f309d0fb4a3fa8
[INFO] checking amedeedaboville/tsplib-rs against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famedeedaboville%2Ftsplib-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amedeedaboville/tsplib-rs on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amedeedaboville/tsplib-rs
[INFO] finished tweaking git repo https://github.com/amedeedaboville/tsplib-rs
[INFO] tweaked toml for git repo https://github.com/amedeedaboville/tsplib-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/amedeedaboville/tsplib-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f62c5aad3b5de132e448abad48b36e7c85dbd70cc3e15d945b82476c1c2d6c25
[INFO] running `Command { std: "docker" "start" "-a" "f62c5aad3b5de132e448abad48b36e7c85dbd70cc3e15d945b82476c1c2d6c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f62c5aad3b5de132e448abad48b36e7c85dbd70cc3e15d945b82476c1c2d6c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f62c5aad3b5de132e448abad48b36e7c85dbd70cc3e15d945b82476c1c2d6c25", kill_on_drop: false }`
[INFO] [stdout] f62c5aad3b5de132e448abad48b36e7c85dbd70cc3e15d945b82476c1c2d6c25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a044e0faeb71804c7be1d27ee3ca7da1f244c087ab30f964953adc152d18beb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0a044e0faeb71804c7be1d27ee3ca7da1f244c087ab30f964953adc152d18beb", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking noisy_float v0.1.11
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]     Checking tsplib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `parse_problem_opt`
[INFO] [stdout]    --> src/lib.rs:532:8
[INFO] [stdout]     |
[INFO] [stdout] 532 |     fn parse_problem_opt(input: String) -> Option<TSPLProblem> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.26s
[INFO] running `Command { std: "docker" "inspect" "0a044e0faeb71804c7be1d27ee3ca7da1f244c087ab30f964953adc152d18beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a044e0faeb71804c7be1d27ee3ca7da1f244c087ab30f964953adc152d18beb", kill_on_drop: false }`
[INFO] [stdout] 0a044e0faeb71804c7be1d27ee3ca7da1f244c087ab30f964953adc152d18beb