[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 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fara-ta3%2Frust-tutorial" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ara-ta3/rust-tutorial on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-13/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4d74c3f288d3d00bcb8d320b1ae4253ae9349784e39d8b8fa11385116eb704b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d4d74c3f288d3d00bcb8d320b1ae4253ae9349784e39d8b8fa11385116eb704b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4d74c3f288d3d00bcb8d320b1ae4253ae9349784e39d8b8fa11385116eb704b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d74c3f288d3d00bcb8d320b1ae4253ae9349784e39d8b8fa11385116eb704b", kill_on_drop: false }`
[INFO] [stdout] d4d74c3f288d3d00bcb8d320b1ae4253ae9349784e39d8b8fa11385116eb704b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2edc19d0cd658a3fe2568b7523cd4d53c0d710ed1f067c0199c195b7692235ce
[INFO] running `Command { std: "docker" "start" "-a" "2edc19d0cd658a3fe2568b7523cd4d53c0d710ed1f067c0199c195b7692235ce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: field is never read: `width`
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     width: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     height: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "2edc19d0cd658a3fe2568b7523cd4d53c0d710ed1f067c0199c195b7692235ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2edc19d0cd658a3fe2568b7523cd4d53c0d710ed1f067c0199c195b7692235ce", kill_on_drop: false }`
[INFO] [stdout] 2edc19d0cd658a3fe2568b7523cd4d53c0d710ed1f067c0199c195b7692235ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fcc6f8bcb1a70e49eae2a72075bb043f87ec088ba24c99e9d45625c1b5048055
[INFO] running `Command { std: "docker" "start" "-a" "fcc6f8bcb1a70e49eae2a72075bb043f87ec088ba24c99e9d45625c1b5048055", 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: field is never read: `width`
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     width: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     height: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "fcc6f8bcb1a70e49eae2a72075bb043f87ec088ba24c99e9d45625c1b5048055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcc6f8bcb1a70e49eae2a72075bb043f87ec088ba24c99e9d45625c1b5048055", kill_on_drop: false }`
[INFO] [stdout] fcc6f8bcb1a70e49eae2a72075bb043f87ec088ba24c99e9d45625c1b5048055
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6b48de321559dcd861af79a91145af8eddff0e1fc1d66cb918f3b515d7715c6d
[INFO] running `Command { std: "docker" "start" "-a" "6b48de321559dcd861af79a91145af8eddff0e1fc1d66cb918f3b515d7715c6d", kill_on_drop: false }`
[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: field is never read: `width`
[INFO] [stderr]   --> src/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     width: u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `height`
[INFO] [stderr]   --> src/main.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     height: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-tutorial` (bin "rust-tutorial" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_tutorial-f7c0951e91500f45)
[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" "6b48de321559dcd861af79a91145af8eddff0e1fc1d66cb918f3b515d7715c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b48de321559dcd861af79a91145af8eddff0e1fc1d66cb918f3b515d7715c6d", kill_on_drop: false }`
[INFO] [stdout] 6b48de321559dcd861af79a91145af8eddff0e1fc1d66cb918f3b515d7715c6d