[INFO] cloning repository https://github.com/Saethox/tsp_exhaustive_search
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Saethox/tsp_exhaustive_search" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaethox%2Ftsp_exhaustive_search", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaethox%2Ftsp_exhaustive_search'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89ee4691ea2107e60bc81df8e0662a00b5aa30a7
[INFO] checking Saethox/tsp_exhaustive_search against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaethox%2Ftsp_exhaustive_search" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Saethox/tsp_exhaustive_search on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Saethox/tsp_exhaustive_search
[INFO] finished tweaking git repo https://github.com/Saethox/tsp_exhaustive_search
[INFO] tweaked toml for git repo https://github.com/Saethox/tsp_exhaustive_search written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Saethox/tsp_exhaustive_search 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tsplib v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca763ea5ca9a5eaa017c6d2c685179625433d48755761e0d8998d93458e195b7
[INFO] running `Command { std: "docker" "start" "-a" "ca763ea5ca9a5eaa017c6d2c685179625433d48755761e0d8998d93458e195b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca763ea5ca9a5eaa017c6d2c685179625433d48755761e0d8998d93458e195b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca763ea5ca9a5eaa017c6d2c685179625433d48755761e0d8998d93458e195b7", kill_on_drop: false }`
[INFO] [stdout] ca763ea5ca9a5eaa017c6d2c685179625433d48755761e0d8998d93458e195b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac89269895231a7019d7d59f31dbc39e87e837aaf91b391f5d7f3c66ad053318
[INFO] running `Command { std: "docker" "start" "-a" "ac89269895231a7019d7d59f31dbc39e87e837aaf91b391f5d7f3c66ad053318", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking tsplib v0.1.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking rayon-core v1.9.2
[INFO] [stderr]     Checking rayon v1.5.2
[INFO] [stderr]     Checking tsp_exhaustive_search v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "ac89269895231a7019d7d59f31dbc39e87e837aaf91b391f5d7f3c66ad053318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac89269895231a7019d7d59f31dbc39e87e837aaf91b391f5d7f3c66ad053318", kill_on_drop: false }`
[INFO] [stdout] ac89269895231a7019d7d59f31dbc39e87e837aaf91b391f5d7f3c66ad053318