[INFO] cloning repository https://github.com/ara-ta3/rust-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ara-ta3/rust-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fara-ta3%2Frust-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fara-ta3%2Frust-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d361d909ce3e6250739aa61b4b4e527577fcdb55
[INFO] testing ara-ta3/rust-tutorial against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fara-ta3%2Frust-tutorial" "/workspace/builds/worker-108/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ara-ta3/rust-tutorial 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/ara-ta3/rust-tutorial
[INFO] finished tweaking git repo https://github.com/ara-ta3/rust-tutorial
[INFO] tweaked toml for git repo https://github.com/ara-ta3/rust-tutorial written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate git repo https://github.com/ara-ta3/rust-tutorial 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 4e8b1c02da1be35fabae3ee9cb0c06271a72bcd77174e6e9639e75ec7449ba70
[INFO] running `Command { std: "docker" "start" "-a" "4e8b1c02da1be35fabae3ee9cb0c06271a72bcd77174e6e9639e75ec7449ba70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e8b1c02da1be35fabae3ee9cb0c06271a72bcd77174e6e9639e75ec7449ba70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8b1c02da1be35fabae3ee9cb0c06271a72bcd77174e6e9639e75ec7449ba70", kill_on_drop: false }`
[INFO] [stdout] 4e8b1c02da1be35fabae3ee9cb0c06271a72bcd77174e6e9639e75ec7449ba70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] db36658ccbda74680aafac3f5bb081f95de96d706b54e912d297328cd6304f36
[INFO] running `Command { std: "docker" "start" "-a" "db36658ccbda74680aafac3f5bb081f95de96d706b54e912d297328cd6304f36", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let max_str = r#try!(read_line());
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "db36658ccbda74680aafac3f5bb081f95de96d706b54e912d297328cd6304f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db36658ccbda74680aafac3f5bb081f95de96d706b54e912d297328cd6304f36", kill_on_drop: false }`
[INFO] [stdout] db36658ccbda74680aafac3f5bb081f95de96d706b54e912d297328cd6304f36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 0aa477ec718b276acf035a3fb2d76b9a268aae9e01918e1805f5807f530e7a70
[INFO] running `Command { std: "docker" "start" "-a" "0aa477ec718b276acf035a3fb2d76b9a268aae9e01918e1805f5807f530e7a70", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let max_str = r#try!(read_line());
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.78s
[INFO] running `Command { std: "docker" "inspect" "0aa477ec718b276acf035a3fb2d76b9a268aae9e01918e1805f5807f530e7a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aa477ec718b276acf035a3fb2d76b9a268aae9e01918e1805f5807f530e7a70", kill_on_drop: false }`
[INFO] [stdout] 0aa477ec718b276acf035a3fb2d76b9a268aae9e01918e1805f5807f530e7a70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 40f9feabb7cde8aff932ca0ea7fd024462f03cdb22c53c4546d60adc8dc3aa59
[INFO] running `Command { std: "docker" "start" "-a" "40f9feabb7cde8aff932ca0ea7fd024462f03cdb22c53c4546d60adc8dc3aa59", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:33:19
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let max_str = r#try!(read_line());
[INFO] [stderr]    |                   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-tutorial` (bin "rust-tutorial" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_tutorial-4a1b6d54a0152f87)
[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" "40f9feabb7cde8aff932ca0ea7fd024462f03cdb22c53c4546d60adc8dc3aa59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f9feabb7cde8aff932ca0ea7fd024462f03cdb22c53c4546d60adc8dc3aa59", kill_on_drop: false }`
[INFO] [stdout] 40f9feabb7cde8aff932ca0ea7fd024462f03cdb22c53c4546d60adc8dc3aa59