[INFO] cloning repository https://github.com/emandres/slackbot-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emandres/slackbot-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femandres%2Fslackbot-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femandres%2Fslackbot-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50b8f3025827cd338a8e9f6a088cfe16a21e377d
[INFO] testing emandres/slackbot-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femandres%2Fslackbot-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emandres/slackbot-rust 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/emandres/slackbot-rust
[INFO] finished tweaking git repo https://github.com/emandres/slackbot-rust
[INFO] tweaked toml for git repo https://github.com/emandres/slackbot-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/emandres/slackbot-rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 4baffcdb0f96372f72d927d75f3c66d3003aa34306d027a975ce58299fe07745
[INFO] running `Command { std: "docker" "start" "-a" "4baffcdb0f96372f72d927d75f3c66d3003aa34306d027a975ce58299fe07745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4baffcdb0f96372f72d927d75f3c66d3003aa34306d027a975ce58299fe07745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4baffcdb0f96372f72d927d75f3c66d3003aa34306d027a975ce58299fe07745", kill_on_drop: false }`
[INFO] [stdout] 4baffcdb0f96372f72d927d75f3c66d3003aa34306d027a975ce58299fe07745
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 0ba8d12e035cc5ac5b39308e4be90fef13a6f5984c39048d43544990a5db95d8
[INFO] running `Command { std: "docker" "start" "-a" "0ba8d12e035cc5ac5b39308e4be90fef13a6f5984c39048d43544990a5db95d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling serde v0.9.11
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling serde_json v0.9.9
[INFO] [stderr]    Compiling slackbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.43s
[INFO] running `Command { std: "docker" "inspect" "0ba8d12e035cc5ac5b39308e4be90fef13a6f5984c39048d43544990a5db95d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ba8d12e035cc5ac5b39308e4be90fef13a6f5984c39048d43544990a5db95d8", kill_on_drop: false }`
[INFO] [stdout] 0ba8d12e035cc5ac5b39308e4be90fef13a6f5984c39048d43544990a5db95d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] bd508b73de3024d3adf04ee4700aa3ba56ea0abd4c6c752803423d73329db3df
[INFO] running `Command { std: "docker" "start" "-a" "bd508b73de3024d3adf04ee4700aa3ba56ea0abd4c6c752803423d73329db3df", kill_on_drop: false }`
[INFO] [stderr]    Compiling slackbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "bd508b73de3024d3adf04ee4700aa3ba56ea0abd4c6c752803423d73329db3df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd508b73de3024d3adf04ee4700aa3ba56ea0abd4c6c752803423d73329db3df", kill_on_drop: false }`
[INFO] [stdout] bd508b73de3024d3adf04ee4700aa3ba56ea0abd4c6c752803423d73329db3df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 20ca86eab1567fd1a8f8ac811d13a1b4079c6fce6424ad4c4562a7865a0d6978
[INFO] running `Command { std: "docker" "start" "-a" "20ca86eab1567fd1a8f8ac811d13a1b4079c6fce6424ad4c4562a7865a0d6978", 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/slackbot-fd80e18ddfa0cf92)
[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" "20ca86eab1567fd1a8f8ac811d13a1b4079c6fce6424ad4c4562a7865a0d6978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ca86eab1567fd1a8f8ac811d13a1b4079c6fce6424ad4c4562a7865a0d6978", kill_on_drop: false }`
[INFO] [stdout] 20ca86eab1567fd1a8f8ac811d13a1b4079c6fce6424ad4c4562a7865a0d6978