[INFO] updating cached repository https://github.com/zyxw59/subway_map.rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/zyxw59/subway_map.rs
[INFO] [stderr]    9108c57..7aa2435  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7aa2435925e8d11f8f3f0eef8c997d826f030e5f
[INFO] checking zyxw59/subway_map.rs against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66852
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyxw59%2Fsubway_map.rs" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zyxw59/subway_map.rs on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zyxw59/subway_map.rs
[INFO] finished tweaking git repo https://github.com/zyxw59/subway_map.rs
[INFO] tweaked toml for git repo https://github.com/zyxw59/subway_map.rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/zyxw59/subway_map.rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1091813f41abb399fe6eaadb2e123d181350dc2540cabac77303ca9eca9e17e1
[INFO] running `"docker" "start" "-a" "1091813f41abb399fe6eaadb2e123d181350dc2540cabac77303ca9eca9e17e1"`
[INFO] [stderr]     Checking backtrace-sys v0.1.29
[INFO] [stderr]     Checking backtrace v0.3.32
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking subway_map v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/macros.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | / macro_rules! itry_opt {
[INFO] [stderr] 33 | |     ($expr:expr) => {
[INFO] [stderr] 34 | |         match $expr {
[INFO] [stderr] 35 | |             Some(Ok(val)) => val,
[INFO] [stderr] ...  |
[INFO] [stderr] 42 | |     };
[INFO] [stderr] 43 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Stop`
[INFO] [stderr]  --> src/evaluator.rs:8:50
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::statement::{Statement, StatementKind, Stop};
[INFO] [stderr]   |                                                  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/macros.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | / macro_rules! itry_opt {
[INFO] [stderr] 33 | |     ($expr:expr) => {
[INFO] [stderr] 34 | |         match $expr {
[INFO] [stderr] 35 | |             Some(Ok(val)) => val,
[INFO] [stderr] ...  |
[INFO] [stderr] 42 | |     };
[INFO] [stderr] 43 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Stop`
[INFO] [stderr]  --> src/evaluator.rs:8:50
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::statement::{Statement, StatementKind, Stop};
[INFO] [stderr]   |                                                  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.89s
[INFO] running `"docker" "inspect" "1091813f41abb399fe6eaadb2e123d181350dc2540cabac77303ca9eca9e17e1"`
[INFO] running `"docker" "rm" "-f" "1091813f41abb399fe6eaadb2e123d181350dc2540cabac77303ca9eca9e17e1"`
[INFO] [stdout] 1091813f41abb399fe6eaadb2e123d181350dc2540cabac77303ca9eca9e17e1