[INFO] cloning repository https://github.com/POMMI3R/btt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/POMMI3R/btt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPOMMI3R%2Fbtt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPOMMI3R%2Fbtt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f23d80733ffb5fcc0e0095e1a7f551ae2542ff8
[INFO] testing POMMI3R/btt against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPOMMI3R%2Fbtt" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/POMMI3R/btt on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/POMMI3R/btt
[INFO] finished tweaking git repo https://github.com/POMMI3R/btt
[INFO] tweaked toml for git repo https://github.com/POMMI3R/btt written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/POMMI3R/btt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 549ad38a5e3df859bb624c370b93532719533a81587a7d94ec593f442947ce4b
[INFO] running `Command { std: "docker" "start" "-a" "549ad38a5e3df859bb624c370b93532719533a81587a7d94ec593f442947ce4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "549ad38a5e3df859bb624c370b93532719533a81587a7d94ec593f442947ce4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "549ad38a5e3df859bb624c370b93532719533a81587a7d94ec593f442947ce4b", kill_on_drop: false }`
[INFO] [stdout] 549ad38a5e3df859bb624c370b93532719533a81587a7d94ec593f442947ce4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6674fd80eb7e59e6dd853407041fe2c0f1a2c83d7d21dcd90708b7567d2b75f
[INFO] running `Command { std: "docker" "start" "-a" "c6674fd80eb7e59e6dd853407041fe2c0f1a2c83d7d21dcd90708b7567d2b75f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling btt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.77s
[INFO] running `Command { std: "docker" "inspect" "c6674fd80eb7e59e6dd853407041fe2c0f1a2c83d7d21dcd90708b7567d2b75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6674fd80eb7e59e6dd853407041fe2c0f1a2c83d7d21dcd90708b7567d2b75f", kill_on_drop: false }`
[INFO] [stdout] c6674fd80eb7e59e6dd853407041fe2c0f1a2c83d7d21dcd90708b7567d2b75f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9c4f2c5fbb5b4753ff67306ba7bd6384e35380c4ffb1d64b504efd9011c85f0
[INFO] running `Command { std: "docker" "start" "-a" "f9c4f2c5fbb5b4753ff67306ba7bd6384e35380c4ffb1d64b504efd9011c85f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling btt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "f9c4f2c5fbb5b4753ff67306ba7bd6384e35380c4ffb1d64b504efd9011c85f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c4f2c5fbb5b4753ff67306ba7bd6384e35380c4ffb1d64b504efd9011c85f0", kill_on_drop: false }`
[INFO] [stdout] f9c4f2c5fbb5b4753ff67306ba7bd6384e35380c4ffb1d64b504efd9011c85f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b7e726433f4b1bb91d4a1b117b09712b947ca639d9241e61448506f72ecf7cdc
[INFO] running `Command { std: "docker" "start" "-a" "b7e726433f4b1bb91d4a1b117b09712b947ca639d9241e61448506f72ecf7cdc", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/btt-abd97e56c790a989)
[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" "b7e726433f4b1bb91d4a1b117b09712b947ca639d9241e61448506f72ecf7cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7e726433f4b1bb91d4a1b117b09712b947ca639d9241e61448506f72ecf7cdc", kill_on_drop: false }`
[INFO] [stdout] b7e726433f4b1bb91d4a1b117b09712b947ca639d9241e61448506f72ecf7cdc