[INFO] cloning repository https://github.com/elderbig/rust-demo-log4rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elderbig/rust-demo-log4rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felderbig%2Frust-demo-log4rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felderbig%2Frust-demo-log4rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3c57a430ae2577f4ee1688413fb063f184f60a6
[INFO] testing elderbig/rust-demo-log4rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felderbig%2Frust-demo-log4rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elderbig/rust-demo-log4rs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/elderbig/rust-demo-log4rs
[INFO] finished tweaking git repo https://github.com/elderbig/rust-demo-log4rs
[INFO] tweaked toml for git repo https://github.com/elderbig/rust-demo-log4rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/elderbig/rust-demo-log4rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96058175da99785d6165d521ba456b8e3cfe4955ab0a4fdef8c1ea406657364d
[INFO] running `Command { std: "docker" "start" "-a" "96058175da99785d6165d521ba456b8e3cfe4955ab0a4fdef8c1ea406657364d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96058175da99785d6165d521ba456b8e3cfe4955ab0a4fdef8c1ea406657364d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96058175da99785d6165d521ba456b8e3cfe4955ab0a4fdef8c1ea406657364d", kill_on_drop: false }`
[INFO] [stdout] 96058175da99785d6165d521ba456b8e3cfe4955ab0a4fdef8c1ea406657364d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d5a50f565c9c7206eea68f8410dd9a845af34e90b400ad6e117c55b65609327
[INFO] running `Command { std: "docker" "start" "-a" "1d5a50f565c9c7206eea68f8410dd9a845af34e90b400ad6e117c55b65609327", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling arc-swap v0.4.5
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling parking_lot_core v0.7.1
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling serde_yaml v0.8.11
[INFO] [stderr]    Compiling serde-value v0.6.0
[INFO] [stderr]    Compiling log4rs v0.11.0
[INFO] [stderr]    Compiling rust_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.47s
[INFO] running `Command { std: "docker" "inspect" "1d5a50f565c9c7206eea68f8410dd9a845af34e90b400ad6e117c55b65609327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d5a50f565c9c7206eea68f8410dd9a845af34e90b400ad6e117c55b65609327", kill_on_drop: false }`
[INFO] [stdout] 1d5a50f565c9c7206eea68f8410dd9a845af34e90b400ad6e117c55b65609327
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 161a9309a48e29559f80f0a8d5d4112285786e38b3827f21dc48e3acfb67fc65
[INFO] running `Command { std: "docker" "start" "-a" "161a9309a48e29559f80f0a8d5d4112285786e38b3827f21dc48e3acfb67fc65", 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 0.83s
[INFO] running `Command { std: "docker" "inspect" "161a9309a48e29559f80f0a8d5d4112285786e38b3827f21dc48e3acfb67fc65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "161a9309a48e29559f80f0a8d5d4112285786e38b3827f21dc48e3acfb67fc65", kill_on_drop: false }`
[INFO] [stdout] 161a9309a48e29559f80f0a8d5d4112285786e38b3827f21dc48e3acfb67fc65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7fd1889d917a1ca1bc7b933322f843ad9f8cd1f48199316797cccc13018e9266
[INFO] running `Command { std: "docker" "start" "-a" "7fd1889d917a1ca1bc7b933322f843ad9f8cd1f48199316797cccc13018e9266", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_test-3db077bf1264a6b5)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_test-60dff44e56e278cc)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_test
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [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" "7fd1889d917a1ca1bc7b933322f843ad9f8cd1f48199316797cccc13018e9266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fd1889d917a1ca1bc7b933322f843ad9f8cd1f48199316797cccc13018e9266", kill_on_drop: false }`
[INFO] [stdout] 7fd1889d917a1ca1bc7b933322f843ad9f8cd1f48199316797cccc13018e9266