[INFO] fetching crate pegitan 0.1.0... [INFO] checking pegitan-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate pegitan 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate pegitan 0.1.0 [INFO] finished tweaking crates.io crate pegitan 0.1.0 [INFO] tweaked toml for crates.io crate pegitan 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate pegitan 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 75b42396738ac04ea0fcd470db52660b879844248e3cb16eb793ee2a0ccb27b7 [INFO] running `Command { std: "docker" "start" "-a" "75b42396738ac04ea0fcd470db52660b879844248e3cb16eb793ee2a0ccb27b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "75b42396738ac04ea0fcd470db52660b879844248e3cb16eb793ee2a0ccb27b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75b42396738ac04ea0fcd470db52660b879844248e3cb16eb793ee2a0ccb27b7", kill_on_drop: false }` [INFO] [stdout] 75b42396738ac04ea0fcd470db52660b879844248e3cb16eb793ee2a0ccb27b7 [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 -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] 54f56feba7d1b394b6af5b1b2546e143b25f7b0ff2f298ac80f8a69982561646 [INFO] running `Command { std: "docker" "start" "-a" "54f56feba7d1b394b6af5b1b2546e143b25f7b0ff2f298ac80f8a69982561646", kill_on_drop: false }` [INFO] [stderr] Checking pegitan v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/contest/problem_5426.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn min_reorder(n: i32, connections: Vec>) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `v_Copy` should have a snake case name [INFO] [stdout] --> src/contest/problem_5426.rs:19:21 [INFO] [stdout] | [INFO] [stdout] 19 | let mut v_Copy = Vec::new(); [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `v_copy` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/leetcode/problem_1021.rs:27:29 [INFO] [stdout] | [INFO] [stdout] 27 | let s = string[1..string.len() - 1].parse().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pegitan` (lib) due to 1 previous error; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/contest/problem_5426.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn min_reorder(n: i32, connections: Vec>) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `v_Copy` should have a snake case name [INFO] [stdout] --> src/contest/problem_5426.rs:19:21 [INFO] [stdout] | [INFO] [stdout] 19 | let mut v_Copy = Vec::new(); [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `v_copy` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/leetcode/problem_1021.rs:27:29 [INFO] [stdout] | [INFO] [stdout] 27 | let s = string[1..string.len() - 1].parse().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pegitan` (lib test) due to 1 previous error; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "54f56feba7d1b394b6af5b1b2546e143b25f7b0ff2f298ac80f8a69982561646", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54f56feba7d1b394b6af5b1b2546e143b25f7b0ff2f298ac80f8a69982561646", kill_on_drop: false }` [INFO] [stdout] 54f56feba7d1b394b6af5b1b2546e143b25f7b0ff2f298ac80f8a69982561646