[INFO] cloning repository https://github.com/arianvp/counterexample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arianvp/counterexample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farianvp%2Fcounterexample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farianvp%2Fcounterexample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32e9442a8c7a212caac716698b6b81e22fec65c1
[INFO] testing arianvp/counterexample against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farianvp%2Fcounterexample" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arianvp/counterexample on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arianvp/counterexample
[INFO] finished tweaking git repo https://github.com/arianvp/counterexample
[INFO] tweaked toml for git repo https://github.com/arianvp/counterexample written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/arianvp/counterexample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d54d65c07b6902d65ee3c6c16c965638442236a881acdcebcea3f06f6df715af
[INFO] running `Command { std: "docker" "start" "-a" "d54d65c07b6902d65ee3c6c16c965638442236a881acdcebcea3f06f6df715af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d54d65c07b6902d65ee3c6c16c965638442236a881acdcebcea3f06f6df715af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d54d65c07b6902d65ee3c6c16c965638442236a881acdcebcea3f06f6df715af", kill_on_drop: false }`
[INFO] [stdout] d54d65c07b6902d65ee3c6c16c965638442236a881acdcebcea3f06f6df715af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d04761fd1fcbba53236903a95b68024cd9f75fdf27a7442eaf6abfb4c0ef5e17
[INFO] running `Command { std: "docker" "start" "-a" "d04761fd1fcbba53236903a95b68024cd9f75fdf27a7442eaf6abfb4c0ef5e17", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling scoped_threadpool v0.1.7
[INFO] [stderr]    Compiling counterexample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `Command { std: "docker" "inspect" "d04761fd1fcbba53236903a95b68024cd9f75fdf27a7442eaf6abfb4c0ef5e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d04761fd1fcbba53236903a95b68024cd9f75fdf27a7442eaf6abfb4c0ef5e17", kill_on_drop: false }`
[INFO] [stdout] d04761fd1fcbba53236903a95b68024cd9f75fdf27a7442eaf6abfb4c0ef5e17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e24f0ceeb74501f33625774adb78342d6ddad5ad75f9bcf391f42dea35c5759
[INFO] running `Command { std: "docker" "start" "-a" "9e24f0ceeb74501f33625774adb78342d6ddad5ad75f9bcf391f42dea35c5759", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling counterexample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.16s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/counterexample-54b761f26af5f648)
[INFO] running `Command { std: "docker" "inspect" "9e24f0ceeb74501f33625774adb78342d6ddad5ad75f9bcf391f42dea35c5759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e24f0ceeb74501f33625774adb78342d6ddad5ad75f9bcf391f42dea35c5759", kill_on_drop: false }`
[INFO] [stdout] 9e24f0ceeb74501f33625774adb78342d6ddad5ad75f9bcf391f42dea35c5759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b605da990a69b01ff72c9d0cf1ec5a5fd02ac64bdf04c76bb6cb0481cede7b45
[INFO] running `Command { std: "docker" "start" "-a" "b605da990a69b01ff72c9d0cf1ec5a5fd02ac64bdf04c76bb6cb0481cede7b45", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/counterexample-54b761f26af5f648)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b605da990a69b01ff72c9d0cf1ec5a5fd02ac64bdf04c76bb6cb0481cede7b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b605da990a69b01ff72c9d0cf1ec5a5fd02ac64bdf04c76bb6cb0481cede7b45", kill_on_drop: false }`
[INFO] [stdout] b605da990a69b01ff72c9d0cf1ec5a5fd02ac64bdf04c76bb6cb0481cede7b45