[INFO] fetching crate pegitan 0.1.0...
[INFO] checking pegitan-0.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate pegitan 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pegitan 0.1.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bfc2576417b616a21346347f779f2942101ceccbfd02105dff5668d0b494ecfd
[INFO] running `Command { std: "docker" "start" "-a" "bfc2576417b616a21346347f779f2942101ceccbfd02105dff5668d0b494ecfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfc2576417b616a21346347f779f2942101ceccbfd02105dff5668d0b494ecfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc2576417b616a21346347f779f2942101ceccbfd02105dff5668d0b494ecfd", kill_on_drop: false }`
[INFO] [stdout] bfc2576417b616a21346347f779f2942101ceccbfd02105dff5668d0b494ecfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 99f7aba1b6ab2e108fa587d4a44df5f782cd3701276e753d5f4465d1440a0d62
[INFO] running `Command { std: "docker" "start" "-a" "99f7aba1b6ab2e108fa587d4a44df5f782cd3701276e753d5f4465d1440a0d62", 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<Vec<i32>>) -> i32 {
[INFO] [stdout]   |                        ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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<Vec<i32>>) -> i32 {
[INFO] [stdout]   |                        ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "99f7aba1b6ab2e108fa587d4a44df5f782cd3701276e753d5f4465d1440a0d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f7aba1b6ab2e108fa587d4a44df5f782cd3701276e753d5f4465d1440a0d62", kill_on_drop: false }`
[INFO] [stdout] 99f7aba1b6ab2e108fa587d4a44df5f782cd3701276e753d5f4465d1440a0d62