[INFO] cloning repository https://github.com/DirtGrubDylan/adventofcode2019 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DirtGrubDylan/adventofcode2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDirtGrubDylan%2Fadventofcode2019", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDirtGrubDylan%2Fadventofcode2019'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1b37f357289611d2802d07a2ca0e92592e7ec747 [INFO] checking DirtGrubDylan/adventofcode2019/1b37f357289611d2802d07a2ca0e92592e7ec747 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDirtGrubDylan%2Fadventofcode2019" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DirtGrubDylan/adventofcode2019 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/DirtGrubDylan/adventofcode2019 [INFO] finished tweaking git repo https://github.com/DirtGrubDylan/adventofcode2019 [INFO] tweaked toml for git repo https://github.com/DirtGrubDylan/adventofcode2019 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/DirtGrubDylan/adventofcode2019 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e97825b4d6504275e56f566c023727bcea62ef15805225981083fe175fd1a8cb [INFO] running `Command { std: "docker" "start" "-a" "e97825b4d6504275e56f566c023727bcea62ef15805225981083fe175fd1a8cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e97825b4d6504275e56f566c023727bcea62ef15805225981083fe175fd1a8cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e97825b4d6504275e56f566c023727bcea62ef15805225981083fe175fd1a8cb", kill_on_drop: false }` [INFO] [stdout] e97825b4d6504275e56f566c023727bcea62ef15805225981083fe175fd1a8cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 97125c5bc15553b6d401f07a66f31d4b5b71955aa86efbbe454d6ae8cf715dfc [INFO] running `Command { std: "docker" "start" "-a" "97125c5bc15553b6d401f07a66f31d4b5b71955aa86efbbe454d6ae8cf715dfc", kill_on_drop: false }` [INFO] [stderr] Checking adventofcode2019 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::panic` [INFO] [stdout] --> src/day_6/orbit.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::panic; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day_7/amplifiers.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | let mut amplifier = self.amplifiers.get_mut(amplifier_index).unwrap(); [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: panic message is not a string literal [INFO] [stdout] --> src/day_2/mod.rs:74:30 [INFO] [stdout] | [INFO] [stdout] 74 | Err(error) => panic!(error), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 74 | Err(error) => panic!("{}", error), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day_7/amplifiers.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | let mut amplifier = self.amplifiers.get_mut(amplifier_index).unwrap(); [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: panic message is not a string literal [INFO] [stdout] --> src/day_2/mod.rs:74:30 [INFO] [stdout] | [INFO] [stdout] 74 | Err(error) => panic!(error), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 74 | Err(error) => panic!("{}", error), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s [INFO] running `Command { std: "docker" "inspect" "97125c5bc15553b6d401f07a66f31d4b5b71955aa86efbbe454d6ae8cf715dfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97125c5bc15553b6d401f07a66f31d4b5b71955aa86efbbe454d6ae8cf715dfc", kill_on_drop: false }` [INFO] [stdout] 97125c5bc15553b6d401f07a66f31d4b5b71955aa86efbbe454d6ae8cf715dfc