[INFO] fetching crate travelling_salesman 1.0.16...
[INFO] checking travelling_salesman-1.0.16 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate travelling_salesman 1.0.16 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate travelling_salesman 1.0.16 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate travelling_salesman 1.0.16
[INFO] finished tweaking crates.io crate travelling_salesman 1.0.16
[INFO] tweaked toml for crates.io crate travelling_salesman 1.0.16 written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metaheuristics v0.0.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4a4f1e9588fa2021302acb86f8d4cc47f8a5eeb0ab192169a3242b1818da8c4
[INFO] running `Command { std: "docker" "start" "-a" "c4a4f1e9588fa2021302acb86f8d4cc47f8a5eeb0ab192169a3242b1818da8c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4a4f1e9588fa2021302acb86f8d4cc47f8a5eeb0ab192169a3242b1818da8c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4a4f1e9588fa2021302acb86f8d4cc47f8a5eeb0ab192169a3242b1818da8c4", kill_on_drop: false }`
[INFO] [stdout] c4a4f1e9588fa2021302acb86f8d4cc47f8a5eeb0ab192169a3242b1818da8c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31d73d5566f8466347a4f751f08f8aa6cfb16b408d2c77aa3d004c363d4fd3c0
[INFO] running `Command { std: "docker" "start" "-a" "31d73d5566f8466347a4f751f08f8aa6cfb16b408d2c77aa3d004c363d4fd3c0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking metaheuristics v0.0.12
[INFO] [stderr]     Checking travelling_salesman v1.0.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.77s
[INFO] running `Command { std: "docker" "inspect" "31d73d5566f8466347a4f751f08f8aa6cfb16b408d2c77aa3d004c363d4fd3c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d73d5566f8466347a4f751f08f8aa6cfb16b408d2c77aa3d004c363d4fd3c0", kill_on_drop: false }`
[INFO] [stdout] 31d73d5566f8466347a4f751f08f8aa6cfb16b408d2c77aa3d004c363d4fd3c0