[INFO] cloning repository https://github.com/guthrum/AoC2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guthrum/AoC2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguthrum%2FAoC2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguthrum%2FAoC2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4203da9497df4b2fbaeed39256d630ea988a154
[INFO] checking guthrum/AoC2019 against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguthrum%2FAoC2019" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guthrum/AoC2019 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/guthrum/AoC2019
[INFO] finished tweaking git repo https://github.com/guthrum/AoC2019
[INFO] tweaked toml for git repo https://github.com/guthrum/AoC2019 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/guthrum/AoC2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9cee5be0dc5b7bdf72d1f0e3426dcae1bf3c7e91708c66c89620fbe106d7b88
[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" "b9cee5be0dc5b7bdf72d1f0e3426dcae1bf3c7e91708c66c89620fbe106d7b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9cee5be0dc5b7bdf72d1f0e3426dcae1bf3c7e91708c66c89620fbe106d7b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9cee5be0dc5b7bdf72d1f0e3426dcae1bf3c7e91708c66c89620fbe106d7b88", kill_on_drop: false }`
[INFO] [stdout] b9cee5be0dc5b7bdf72d1f0e3426dcae1bf3c7e91708c66c89620fbe106d7b88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 0f5d593a1d05b845f824a443c87d146dc3d153a6ea08c9d13989602cfd51bdfc
[INFO] running `Command { std: "docker" "start" "-a" "0f5d593a1d05b845f824a443c87d146dc3d153a6ea08c9d13989602cfd51bdfc", kill_on_drop: false }`
[INFO] [stderr]     Checking termion v1.5.4
[INFO] [stderr]     Checking AoC19 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/int_code/monitor.rs:94:21
[INFO] [stdout]     |
[INFO] [stdout] 94  | /                     match obj {
[INFO] [stdout] 95  | |                         DisplayObject::Empty => {
[INFO] [stdout] 96  | |                             write!(stdout, "{}{} ", color::Fg(color::Reset), pos)
[INFO] [stdout] 97  | |                         }
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |                         }
[INFO] [stdout] 106 | |                     };
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/int_code/machine.rs:300:9
[INFO] [stdout]     |
[INFO] [stdout] 300 |         machine.execute();
[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/int_code/machine.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 320 |         machine.execute();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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/int_code/machine.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |         machine.execute();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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/int_code/machine.rs:344:13
[INFO] [stdout]     |
[INFO] [stdout] 344 |             machine.execute();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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/int_code/machine.rs:364:13
[INFO] [stdout]     |
[INFO] [stdout] 364 |             machine.execute();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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/int_code/machine.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 377 |         machine.execute();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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/int_code/machine.rs:390:9
[INFO] [stdout]     |
[INFO] [stdout] 390 |         machine.execute();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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/int_code/machine.rs:405:9
[INFO] [stdout]     |
[INFO] [stdout] 405 |         machine.execute();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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/int_code/machine.rs:418:9
[INFO] [stdout]     |
[INFO] [stdout] 418 |         machine.execute();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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/int_code/machine.rs:433:9
[INFO] [stdout]     |
[INFO] [stdout] 433 |         machine.execute();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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/int_code/machine.rs:445:9
[INFO] [stdout]     |
[INFO] [stdout] 445 |         machine.execute();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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/int_code/monitor.rs:94:21
[INFO] [stdout]     |
[INFO] [stdout] 94  | /                     match obj {
[INFO] [stdout] 95  | |                         DisplayObject::Empty => {
[INFO] [stdout] 96  | |                             write!(stdout, "{}{} ", color::Fg(color::Reset), pos)
[INFO] [stdout] 97  | |                         }
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |                         }
[INFO] [stdout] 106 | |                     };
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> src/bin/day14.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_tx`
[INFO] [stdout]  --> src/bin/day13.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let (input_tx, input_rx) = mpsc::channel();
[INFO] [stdout]   |          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_tx`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_tx`
[INFO] [stdout]  --> src/bin/day13.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let (input_tx, input_rx) = mpsc::channel();
[INFO] [stdout]   |          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_tx`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> src/bin/day14.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `Command { std: "docker" "inspect" "0f5d593a1d05b845f824a443c87d146dc3d153a6ea08c9d13989602cfd51bdfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f5d593a1d05b845f824a443c87d146dc3d153a6ea08c9d13989602cfd51bdfc", kill_on_drop: false }`
[INFO] [stdout] 0f5d593a1d05b845f824a443c87d146dc3d153a6ea08c9d13989602cfd51bdfc