[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 master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fara-ta3%2Frust-tutorial" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ara-ta3/rust-tutorial on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-43/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b9eb94d4b324857d694af29eeced4c53ce32f37a1c3a03d3a4e3c0b2d64fe81
[INFO] running `Command { std: "docker" "start" "-a" "3b9eb94d4b324857d694af29eeced4c53ce32f37a1c3a03d3a4e3c0b2d64fe81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b9eb94d4b324857d694af29eeced4c53ce32f37a1c3a03d3a4e3c0b2d64fe81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b9eb94d4b324857d694af29eeced4c53ce32f37a1c3a03d3a4e3c0b2d64fe81", kill_on_drop: false }`
[INFO] [stdout] 3b9eb94d4b324857d694af29eeced4c53ce32f37a1c3a03d3a4e3c0b2d64fe81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35836c5d00024c44b334aecd10ba857ee3b2b788b4302b38dd73ee96f1e5b494
[INFO] running `Command { std: "docker" "start" "-a" "35836c5d00024c44b334aecd10ba857ee3b2b788b4302b38dd73ee96f1e5b494", 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 dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "35836c5d00024c44b334aecd10ba857ee3b2b788b4302b38dd73ee96f1e5b494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35836c5d00024c44b334aecd10ba857ee3b2b788b4302b38dd73ee96f1e5b494", kill_on_drop: false }`
[INFO] [stdout] 35836c5d00024c44b334aecd10ba857ee3b2b788b4302b38dd73ee96f1e5b494
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56c5804db41ed992a145145883ec1c4b866d1adc31dacb38dd3e994a35bff9cc
[INFO] running `Command { std: "docker" "start" "-a" "56c5804db41ed992a145145883ec1c4b866d1adc31dacb38dd3e994a35bff9cc", 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 test [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "56c5804db41ed992a145145883ec1c4b866d1adc31dacb38dd3e994a35bff9cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c5804db41ed992a145145883ec1c4b866d1adc31dacb38dd3e994a35bff9cc", kill_on_drop: false }`
[INFO] [stdout] 56c5804db41ed992a145145883ec1c4b866d1adc31dacb38dd3e994a35bff9cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 945f72977f2b7fe9bdeccfdf6ed0e66ca5909de693adc5d13207761688c8898f
[INFO] running `Command { std: "docker" "start" "-a" "945f72977f2b7fe9bdeccfdf6ed0e66ca5909de693adc5d13207761688c8898f", 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: 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 0.63s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_tutorial-6318b9d91fea9213)
[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" "945f72977f2b7fe9bdeccfdf6ed0e66ca5909de693adc5d13207761688c8898f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945f72977f2b7fe9bdeccfdf6ed0e66ca5909de693adc5d13207761688c8898f", kill_on_drop: false }`
[INFO] [stdout] 945f72977f2b7fe9bdeccfdf6ed0e66ca5909de693adc5d13207761688c8898f