[INFO] cloning repository https://github.com/clintmod/rust-exp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clintmod/rust-exp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclintmod%2Frust-exp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclintmod%2Frust-exp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41dd034be107eee56118987acdc66f1f2a8a6865
[INFO] testing clintmod/rust-exp against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclintmod%2Frust-exp" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/clintmod/rust-exp on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/clintmod/rust-exp
[INFO] finished tweaking git repo https://github.com/clintmod/rust-exp
[INFO] tweaked toml for git repo https://github.com/clintmod/rust-exp written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/clintmod/rust-exp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae7f37bfb1a4bbfe39d3eac6146e41cec38152f2f4d6a4865d003cc62f142406
[INFO] running `Command { std: "docker" "start" "-a" "ae7f37bfb1a4bbfe39d3eac6146e41cec38152f2f4d6a4865d003cc62f142406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae7f37bfb1a4bbfe39d3eac6146e41cec38152f2f4d6a4865d003cc62f142406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae7f37bfb1a4bbfe39d3eac6146e41cec38152f2f4d6a4865d003cc62f142406", kill_on_drop: false }`
[INFO] [stdout] ae7f37bfb1a4bbfe39d3eac6146e41cec38152f2f4d6a4865d003cc62f142406
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aeb1df652570563612a6d70e65569fa93df7b3027c6ae0dab8a1fb37ffd81105
[INFO] running `Command { std: "docker" "start" "-a" "aeb1df652570563612a6d70e65569fa93df7b3027c6ae0dab8a1fb37ffd81105", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-exp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "aeb1df652570563612a6d70e65569fa93df7b3027c6ae0dab8a1fb37ffd81105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb1df652570563612a6d70e65569fa93df7b3027c6ae0dab8a1fb37ffd81105", kill_on_drop: false }`
[INFO] [stdout] aeb1df652570563612a6d70e65569fa93df7b3027c6ae0dab8a1fb37ffd81105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 916c2f3c1036dd36ce5a3b7f3f3a9026fcff13cd134a9b064c20a52474c507d9
[INFO] running `Command { std: "docker" "start" "-a" "916c2f3c1036dd36ce5a3b7f3f3a9026fcff13cd134a9b064c20a52474c507d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-exp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "916c2f3c1036dd36ce5a3b7f3f3a9026fcff13cd134a9b064c20a52474c507d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "916c2f3c1036dd36ce5a3b7f3f3a9026fcff13cd134a9b064c20a52474c507d9", kill_on_drop: false }`
[INFO] [stdout] 916c2f3c1036dd36ce5a3b7f3f3a9026fcff13cd134a9b064c20a52474c507d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2261e410389acc4359f720a6e05674746510da4f49bbd78f2ca036619bf373c4
[INFO] running `Command { std: "docker" "start" "-a" "2261e410389acc4359f720a6e05674746510da4f49bbd78f2ca036619bf373c4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_exp-bcc832f5796065b1)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_main.rs (/opt/rustwide/target/debug/deps/integration_main-a104d26ea3f6cfd3)
[INFO] [stdout] running 1 test
[INFO] [stdout] test strings::test_concat ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2261e410389acc4359f720a6e05674746510da4f49bbd78f2ca036619bf373c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2261e410389acc4359f720a6e05674746510da4f49bbd78f2ca036619bf373c4", kill_on_drop: false }`
[INFO] [stdout] 2261e410389acc4359f720a6e05674746510da4f49bbd78f2ca036619bf373c4