[INFO] cloning repository https://github.com/triamero/advent-of-code-2018 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/triamero/advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriamero%2Fadvent-of-code-2018", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriamero%2Fadvent-of-code-2018'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3f8f65fde4a596146c8203a989051f2d4f4fff55 [INFO] checking triamero/advent-of-code-2018 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriamero%2Fadvent-of-code-2018" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/triamero/advent-of-code-2018 [INFO] finished tweaking git repo https://github.com/triamero/advent-of-code-2018 [INFO] tweaked toml for git repo https://github.com/triamero/advent-of-code-2018 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/triamero/advent-of-code-2018 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/triamero/advent-of-code-2018 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 873019650be723e1f2aec4bbc56c0d8dce247d82c94d63b0fe190ff9dbd22348 [INFO] running `Command { std: "docker" "start" "-a" "873019650be723e1f2aec4bbc56c0d8dce247d82c94d63b0fe190ff9dbd22348", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "873019650be723e1f2aec4bbc56c0d8dce247d82c94d63b0fe190ff9dbd22348", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "873019650be723e1f2aec4bbc56c0d8dce247d82c94d63b0fe190ff9dbd22348", kill_on_drop: false }` [INFO] [stdout] 873019650be723e1f2aec4bbc56c0d8dce247d82c94d63b0fe190ff9dbd22348 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fe3b490afae028007844808d180f77e2da32f8444473e8949098f9ecf38329d9 [INFO] running `Command { std: "docker" "start" "-a" "fe3b490afae028007844808d180f77e2da32f8444473e8949098f9ecf38329d9", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking advent_of_code v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/days/day4.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | let mut infos: Vec<(i32, Vec)> = Vec::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `infos` [INFO] [stdout] --> src/days/day4.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | let mut infos: Vec<(i32, Vec)> = Vec::new(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infos` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `guard_id` is never read [INFO] [stdout] --> src/days/day4.rs:22:28 [INFO] [stdout] | [INFO] [stdout] 22 | let mut guard_id = -1; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/days/day4.rs:47:30 [INFO] [stdout] | [INFO] [stdout] 47 | fn compute_second(&self, input: &Vec) -> DayResult { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/days/day4.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | let mut infos: Vec<(i32, Vec)> = Vec::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `infos` [INFO] [stdout] --> src/days/day4.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | let mut infos: Vec<(i32, Vec)> = Vec::new(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infos` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `guard_id` is never read [INFO] [stdout] --> src/days/day4.rs:22:28 [INFO] [stdout] | [INFO] [stdout] 22 | let mut guard_id = -1; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/days/day4.rs:47:30 [INFO] [stdout] | [INFO] [stdout] 47 | fn compute_second(&self, input: &Vec) -> DayResult { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `has_change` is assigned to, but never used [INFO] [stdout] --> src/days/day5.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let mut has_change = false; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_has_change` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `has_change` is never read [INFO] [stdout] --> src/days/day5.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | has_change = false; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/days/day5.rs:68:30 [INFO] [stdout] | [INFO] [stdout] 68 | fn compute_second(&self, input: &Vec) -> DayResult { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Guard` is never constructed [INFO] [stdout] --> src/days/day4.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 52 | struct Guard { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GuardAction` is never constructed [INFO] [stdout] --> src/days/day4.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 56 | struct GuardAction { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `has_change` is assigned to, but never used [INFO] [stdout] --> src/days/day5.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let mut has_change = false; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_has_change` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `has_change` is never read [INFO] [stdout] --> src/days/day5.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | has_change = false; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/days/day5.rs:68:30 [INFO] [stdout] | [INFO] [stdout] 68 | fn compute_second(&self, input: &Vec) -> DayResult { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Guard` is never constructed [INFO] [stdout] --> src/days/day4.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 52 | struct Guard { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GuardAction` is never constructed [INFO] [stdout] --> src/days/day4.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 56 | struct GuardAction { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/days/day2.rs:16:36 [INFO] [stdout] | [INFO] [stdout] 16 | let ln: String = match line.parse() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/utils.rs:8:26 [INFO] [stdout] | [INFO] [stdout] 8 | Err(_) => panic!(format!("File '{}' not found", filename)) [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: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 8 - Err(_) => panic!(format!("File '{}' not found", filename)) [INFO] [stdout] 8 + Err(_) => panic!("File '{}' not found", filename) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/days/day2.rs:16:36 [INFO] [stdout] | [INFO] [stdout] 16 | let ln: String = match line.parse() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/utils.rs:8:26 [INFO] [stdout] | [INFO] [stdout] 8 | Err(_) => panic!(format!("File '{}' not found", filename)) [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: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 8 - Err(_) => panic!(format!("File '{}' not found", filename)) [INFO] [stdout] 8 + Err(_) => panic!("File '{}' not found", filename) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `advent_of_code` (lib test) due to 1 previous error; 10 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `advent_of_code` (lib) due to 1 previous error; 10 warnings emitted [INFO] running `Command { std: "docker" "inspect" "fe3b490afae028007844808d180f77e2da32f8444473e8949098f9ecf38329d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe3b490afae028007844808d180f77e2da32f8444473e8949098f9ecf38329d9", kill_on_drop: false }` [INFO] [stdout] fe3b490afae028007844808d180f77e2da32f8444473e8949098f9ecf38329d9