[INFO] cloning repository https://github.com/ahenshaw/aoc2021 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahenshaw/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahenshaw%2Faoc2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahenshaw%2Faoc2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 24b6d59038157db35c80877004a053ef84d4f66a [INFO] checking ahenshaw/aoc2021 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%2Fahenshaw%2Faoc2021" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ahenshaw/aoc2021 [INFO] finished tweaking git repo https://github.com/ahenshaw/aoc2021 [INFO] tweaked toml for git repo https://github.com/ahenshaw/aoc2021 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ahenshaw/aoc2021 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/ahenshaw/aoc2021 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 573ec1de27c7a05c9dd932df529512e78baa63a4309dd306150431b767db5f99 [INFO] running `Command { std: "docker" "start" "-a" "573ec1de27c7a05c9dd932df529512e78baa63a4309dd306150431b767db5f99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "573ec1de27c7a05c9dd932df529512e78baa63a4309dd306150431b767db5f99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "573ec1de27c7a05c9dd932df529512e78baa63a4309dd306150431b767db5f99", kill_on_drop: false }` [INFO] [stdout] 573ec1de27c7a05c9dd932df529512e78baa63a4309dd306150431b767db5f99 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3ce298bcba4e7460e63e34d59b1012587dcfff6cdbb77274b7fa539fd8cef150 [INFO] running `Command { std: "docker" "start" "-a" "3ce298bcba4e7460e63e34d59b1012587dcfff6cdbb77274b7fa539fd8cef150", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling libc v0.2.109 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling anyhow v1.0.48 [INFO] [stderr] Compiling argh_shared v0.1.6 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking num-integer v0.1.44 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking counter v0.5.2 [INFO] [stderr] Compiling const_format_proc_macros v0.2.22 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking ndarray v0.15.4 [INFO] [stderr] Checking const_format v0.2.22 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Compiling argh_derive v0.1.6 [INFO] [stderr] Compiling sscanf_macro v0.1.3 [INFO] [stderr] Checking sscanf v0.1.3 [INFO] [stderr] Checking argh v0.1.6 [INFO] [stderr] Checking aoc2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/day_2.rs:8:43 [INFO] [stdout] | [INFO] [stdout] 8 | .map(|line| scanf!(line, "{} {}", String, i32).unwrap()) [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: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/day_8.rs:6:31 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn input_generator(input: &str) -> Input { [INFO] [stdout] | ^^^^ ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 6 | pub fn input_generator(input: &str) -> Input<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/day_12.rs:9:58 [INFO] [stdout] | [INFO] [stdout] 9 | let (left, right) = scanf!(line.trim(), "{}-{}", String, String).unwrap(); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/day_12.rs:9:66 [INFO] [stdout] | [INFO] [stdout] 9 | let (left, right) = scanf!(line.trim(), "{}-{}", String, String).unwrap(); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/day_13.rs:11:31 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn input_generator(input: &str) -> Input { [INFO] [stdout] | ^^^^ ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 11 | pub fn input_generator(input: &str) -> Input<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc2021` (lib) due to 3 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/day_2.rs:8:43 [INFO] [stdout] | [INFO] [stdout] 8 | .map(|line| scanf!(line, "{} {}", String, i32).unwrap()) [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: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/day_8.rs:6:31 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn input_generator(input: &str) -> Input { [INFO] [stdout] | ^^^^ ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 6 | pub fn input_generator(input: &str) -> Input<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/day_12.rs:9:58 [INFO] [stdout] | [INFO] [stdout] 9 | let (left, right) = scanf!(line.trim(), "{}-{}", String, String).unwrap(); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/day_12.rs:9:66 [INFO] [stdout] | [INFO] [stdout] 9 | let (left, right) = scanf!(line.trim(), "{}-{}", String, String).unwrap(); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/day_13.rs:11:31 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn input_generator(input: &str) -> Input { [INFO] [stdout] | ^^^^ ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 11 | pub fn input_generator(input: &str) -> Input<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc2021` (lib test) due to 3 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "3ce298bcba4e7460e63e34d59b1012587dcfff6cdbb77274b7fa539fd8cef150", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ce298bcba4e7460e63e34d59b1012587dcfff6cdbb77274b7fa539fd8cef150", kill_on_drop: false }` [INFO] [stdout] 3ce298bcba4e7460e63e34d59b1012587dcfff6cdbb77274b7fa539fd8cef150