[INFO] cloning repository https://github.com/richardanaya/callback
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richardanaya/callback" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardanaya%2Fcallback", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardanaya%2Fcallback'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80eb506e5d790b4ca70c1f7d9603136b4b435a69
[INFO] testing richardanaya/callback 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%2Frichardanaya%2Fcallback" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/richardanaya/callback 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/richardanaya/callback
[INFO] finished tweaking git repo https://github.com/richardanaya/callback
[INFO] tweaked toml for git repo https://github.com/richardanaya/callback written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/richardanaya/callback 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e7ed54a52b4e38f6d3a2b545cf53ccc1d28adfa00ec1359381e6ca758279e394
[INFO] running `Command { std: "docker" "start" "-a" "e7ed54a52b4e38f6d3a2b545cf53ccc1d28adfa00ec1359381e6ca758279e394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7ed54a52b4e38f6d3a2b545cf53ccc1d28adfa00ec1359381e6ca758279e394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7ed54a52b4e38f6d3a2b545cf53ccc1d28adfa00ec1359381e6ca758279e394", kill_on_drop: false }`
[INFO] [stdout] e7ed54a52b4e38f6d3a2b545cf53ccc1d28adfa00ec1359381e6ca758279e394
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 900ecf448d80ac11b65ccc292a1d34c47bd10161c3adc50bd45429ec787f5d2f
[INFO] running `Command { std: "docker" "start" "-a" "900ecf448d80ac11b65ccc292a1d34c47bd10161c3adc50bd45429ec787f5d2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling callback v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "900ecf448d80ac11b65ccc292a1d34c47bd10161c3adc50bd45429ec787f5d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900ecf448d80ac11b65ccc292a1d34c47bd10161c3adc50bd45429ec787f5d2f", kill_on_drop: false }`
[INFO] [stdout] 900ecf448d80ac11b65ccc292a1d34c47bd10161c3adc50bd45429ec787f5d2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] adc7b182bed6d1c489ca5410c26f8dcaa7fbda77ce2b2cb2b5d98e1e3540b0f7
[INFO] running `Command { std: "docker" "start" "-a" "adc7b182bed6d1c489ca5410c26f8dcaa7fbda77ce2b2cb2b5d98e1e3540b0f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling callback v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "adc7b182bed6d1c489ca5410c26f8dcaa7fbda77ce2b2cb2b5d98e1e3540b0f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc7b182bed6d1c489ca5410c26f8dcaa7fbda77ce2b2cb2b5d98e1e3540b0f7", kill_on_drop: false }`
[INFO] [stdout] adc7b182bed6d1c489ca5410c26f8dcaa7fbda77ce2b2cb2b5d98e1e3540b0f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 95492d2e99fa22ef3a4f921d0fc372b43b4a13c20d1a02b740180deeecd5b63e
[INFO] running `Command { std: "docker" "start" "-a" "95492d2e99fa22ef3a4f921d0fc372b43b4a13c20d1a02b740180deeecd5b63e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/callback-e83a6da5291bc702)
[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] [stderr]    Doc-tests callback
[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" "95492d2e99fa22ef3a4f921d0fc372b43b4a13c20d1a02b740180deeecd5b63e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95492d2e99fa22ef3a4f921d0fc372b43b4a13c20d1a02b740180deeecd5b63e", kill_on_drop: false }`
[INFO] [stdout] 95492d2e99fa22ef3a4f921d0fc372b43b4a13c20d1a02b740180deeecd5b63e