[INFO] cloning repository https://github.com/thuchede/aoc-2020-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thuchede/aoc-2020-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthuchede%2Faoc-2020-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthuchede%2Faoc-2020-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e3173f884030b3bb3ed03e9fcd10bd1abdf4196b [INFO] checking thuchede/aoc-2020-rust 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%2Fthuchede%2Faoc-2020-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/thuchede/aoc-2020-rust [INFO] finished tweaking git repo https://github.com/thuchede/aoc-2020-rust [INFO] tweaked toml for git repo https://github.com/thuchede/aoc-2020-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/thuchede/aoc-2020-rust 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/thuchede/aoc-2020-rust 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a428859a46a6d490c1199e3192c3bbc507b295212cde9be0755da72d855438ce [INFO] running `Command { std: "docker" "start" "-a" "a428859a46a6d490c1199e3192c3bbc507b295212cde9be0755da72d855438ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a428859a46a6d490c1199e3192c3bbc507b295212cde9be0755da72d855438ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a428859a46a6d490c1199e3192c3bbc507b295212cde9be0755da72d855438ce", kill_on_drop: false }` [INFO] [stdout] a428859a46a6d490c1199e3192c3bbc507b295212cde9be0755da72d855438ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 14570eaf78253eaa53140fa777678241719e6101a67a081378df1601ffde15f9 [INFO] running `Command { std: "docker" "start" "-a" "14570eaf78253eaa53140fa777678241719e6101a67a081378df1601ffde15f9", kill_on_drop: false }` [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking bit-vec v0.6.2 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking fancy-regex v0.4.1 [INFO] [stderr] Checking aoc-2020-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/main.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/main.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/helpers.rs:7:35 [INFO] [stdout] | [INFO] [stdout] 7 | .map(|line| line.and_then(|v| v.parse().map_err(|e| Error::new(ErrorKind::InvalidData, e)))) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/day11.rs:150:35 [INFO] [stdout] | [INFO] [stdout] 150 | let mut iidx: isize = isize::try_from(i as isize + sight_i*direction_x).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/day11.rs:151:35 [INFO] [stdout] | [INFO] [stdout] 151 | let mut jidx: isize = isize::try_from(j as isize + sight_j*direction_y).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/day11.rs:162:24 [INFO] [stdout] | [INFO] [stdout] 162 | iidx = isize::try_from(i as isize + sight_i*direction_x).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/day11.rs:163:24 [INFO] [stdout] | [INFO] [stdout] 163 | jidx = isize::try_from(j as isize + sight_j*direction_y).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc-2020-rust` (bin "aoc-2020-rust") due to 5 previous errors; 1 warning 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/helpers.rs:7:35 [INFO] [stdout] | [INFO] [stdout] 7 | .map(|line| line.and_then(|v| v.parse().map_err(|e| Error::new(ErrorKind::InvalidData, e)))) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/day11.rs:150:35 [INFO] [stdout] | [INFO] [stdout] 150 | let mut iidx: isize = isize::try_from(i as isize + sight_i*direction_x).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/day11.rs:151:35 [INFO] [stdout] | [INFO] [stdout] 151 | let mut jidx: isize = isize::try_from(j as isize + sight_j*direction_y).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/day11.rs:162:24 [INFO] [stdout] | [INFO] [stdout] 162 | iidx = isize::try_from(i as isize + sight_i*direction_x).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/day11.rs:163:24 [INFO] [stdout] | [INFO] [stdout] 163 | jidx = isize::try_from(j as isize + sight_j*direction_y).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc-2020-rust` (bin "aoc-2020-rust" test) due to 5 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "14570eaf78253eaa53140fa777678241719e6101a67a081378df1601ffde15f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14570eaf78253eaa53140fa777678241719e6101a67a081378df1601ffde15f9", kill_on_drop: false }` [INFO] [stdout] 14570eaf78253eaa53140fa777678241719e6101a67a081378df1601ffde15f9