[INFO] cloning repository https://github.com/charCharacter/rust_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charCharacter/rust_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcharCharacter%2Frust_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcharCharacter%2Frust_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a5f7138b4fd04b1b17a7f08c0af471f56c1a538
[INFO] testing charCharacter/rust_test against try#c3758fdc4730d7700b25a13cccff296a08f42c00 for pr-91743
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcharCharacter%2Frust_test" "/workspace/builds/worker-86/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-86/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/charCharacter/rust_test on toolchain c3758fdc4730d7700b25a13cccff296a08f42c00
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/charCharacter/rust_test
[INFO] finished tweaking git repo https://github.com/charCharacter/rust_test
[INFO] tweaked toml for git repo https://github.com/charCharacter/rust_test written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] crate git repo https://github.com/charCharacter/rust_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a4b826f466f2eaa0d9f6e4791e34bc18f718524c45e982017375dadd4da83ff
[INFO] running `Command { std: "docker" "start" "-a" "8a4b826f466f2eaa0d9f6e4791e34bc18f718524c45e982017375dadd4da83ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a4b826f466f2eaa0d9f6e4791e34bc18f718524c45e982017375dadd4da83ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a4b826f466f2eaa0d9f6e4791e34bc18f718524c45e982017375dadd4da83ff", kill_on_drop: false }`
[INFO] [stdout] 8a4b826f466f2eaa0d9f6e4791e34bc18f718524c45e982017375dadd4da83ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dddcdb493bd10b1c47f2c09556d0bbc8f98d282809a3daa16be58c60fbec24e
[INFO] running `Command { std: "docker" "start" "-a" "6dddcdb493bd10b1c47f2c09556d0bbc8f98d282809a3daa16be58c60fbec24e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rust_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.94s
[INFO] running `Command { std: "docker" "inspect" "6dddcdb493bd10b1c47f2c09556d0bbc8f98d282809a3daa16be58c60fbec24e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dddcdb493bd10b1c47f2c09556d0bbc8f98d282809a3daa16be58c60fbec24e", kill_on_drop: false }`
[INFO] [stdout] 6dddcdb493bd10b1c47f2c09556d0bbc8f98d282809a3daa16be58c60fbec24e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e9a0bf7e8e72cefa4a6b526a92ebd6e4c64acaa0c3abd62c1218f02dec26569
[INFO] running `Command { std: "docker" "start" "-a" "7e9a0bf7e8e72cefa4a6b526a92ebd6e4c64acaa0c3abd62c1218f02dec26569", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4m 26s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_test-5d321a92adc94706)
[INFO] running `Command { std: "docker" "inspect" "7e9a0bf7e8e72cefa4a6b526a92ebd6e4c64acaa0c3abd62c1218f02dec26569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e9a0bf7e8e72cefa4a6b526a92ebd6e4c64acaa0c3abd62c1218f02dec26569", kill_on_drop: false }`
[INFO] [stdout] 7e9a0bf7e8e72cefa4a6b526a92ebd6e4c64acaa0c3abd62c1218f02dec26569
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d2b69869950fc202b62a18843aa6c7ce65df71cb669f082f39a44ca6921fac05
[INFO] running `Command { std: "docker" "start" "-a" "d2b69869950fc202b62a18843aa6c7ce65df71cb669f082f39a44ca6921fac05", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "d2b69869950fc202b62a18843aa6c7ce65df71cb669f082f39a44ca6921fac05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b69869950fc202b62a18843aa6c7ce65df71cb669f082f39a44ca6921fac05", kill_on_drop: false }`
[INFO] [stdout] d2b69869950fc202b62a18843aa6c7ce65df71cb669f082f39a44ca6921fac05