[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#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famedeedaboville%2Ftsplib-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amedeedaboville/tsplib-rs on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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-3/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7458935425d179a358f14fa45402fb758e9577b78d50b287af1b8ad2ef25cf0
[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" "d7458935425d179a358f14fa45402fb758e9577b78d50b287af1b8ad2ef25cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7458935425d179a358f14fa45402fb758e9577b78d50b287af1b8ad2ef25cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7458935425d179a358f14fa45402fb758e9577b78d50b287af1b8ad2ef25cf0", kill_on_drop: false }`
[INFO] [stdout] d7458935425d179a358f14fa45402fb758e9577b78d50b287af1b8ad2ef25cf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c43fdb5e6694c99abbb4d818728b8c60756247899bc3be8b2141f4ece1e41a77
[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" "c43fdb5e6694c99abbb4d818728b8c60756247899bc3be8b2141f4ece1e41a77", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling nom v5.0.1
[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 31.41s
[INFO] running `Command { std: "docker" "inspect" "c43fdb5e6694c99abbb4d818728b8c60756247899bc3be8b2141f4ece1e41a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c43fdb5e6694c99abbb4d818728b8c60756247899bc3be8b2141f4ece1e41a77", kill_on_drop: false }`
[INFO] [stdout] c43fdb5e6694c99abbb4d818728b8c60756247899bc3be8b2141f4ece1e41a77