[INFO] cloning repository https://github.com/scottrobertwhittaker/rs-moji
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scottrobertwhittaker/rs-moji" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottrobertwhittaker%2Frs-moji", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottrobertwhittaker%2Frs-moji'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2595abc567aa6ddf0502e8e2d2e6902754a21068
[INFO] checking scottrobertwhittaker/rs-moji against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottrobertwhittaker%2Frs-moji" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scottrobertwhittaker/rs-moji on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scottrobertwhittaker/rs-moji
[INFO] finished tweaking git repo https://github.com/scottrobertwhittaker/rs-moji
[INFO] tweaked toml for git repo https://github.com/scottrobertwhittaker/rs-moji written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/scottrobertwhittaker/rs-moji already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6a3296c80d4f22642b6f3946d2bb30c4268d0d0630c499af22b257006ddbaaf
[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" "d6a3296c80d4f22642b6f3946d2bb30c4268d0d0630c499af22b257006ddbaaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6a3296c80d4f22642b6f3946d2bb30c4268d0d0630c499af22b257006ddbaaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6a3296c80d4f22642b6f3946d2bb30c4268d0d0630c499af22b257006ddbaaf", kill_on_drop: false }`
[INFO] [stdout] d6a3296c80d4f22642b6f3946d2bb30c4268d0d0630c499af22b257006ddbaaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--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] 5c840c8e5d77263653adb6bd490ed96900d372f3b1b8ee3f9165649e7f02bc09
[INFO] running `Command { std: "docker" "start" "-a" "5c840c8e5d77263653adb6bd490ed96900d372f3b1b8ee3f9165649e7f02bc09", kill_on_drop: false }`
[INFO] [stderr]     Checking rs-moji v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `interpreter`
[INFO] [stdout]    --> src/interpreter.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let mut interpreter = new(runtime);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interpreter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/interpreter.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let mut interpreter = new(runtime);
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/interpreter.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |                     io::stdin().read_line(&mut input);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/interpreter.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |                     io::stdin().read_line(&mut input);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "5c840c8e5d77263653adb6bd490ed96900d372f3b1b8ee3f9165649e7f02bc09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c840c8e5d77263653adb6bd490ed96900d372f3b1b8ee3f9165649e7f02bc09", kill_on_drop: false }`
[INFO] [stdout] 5c840c8e5d77263653adb6bd490ed96900d372f3b1b8ee3f9165649e7f02bc09