[INFO] cloning repository https://github.com/naomijub/airline-reservation-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/naomijub/airline-reservation-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaomijub%2Fairline-reservation-rust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaomijub%2Fairline-reservation-rust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6579a1a7dea85bbde4a3fa3e6de9dad42fda5422
[INFO] checking naomijub/airline-reservation-rust against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaomijub%2Fairline-reservation-rust" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/naomijub/airline-reservation-rust on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/naomijub/airline-reservation-rust
[INFO] finished tweaking git repo https://github.com/naomijub/airline-reservation-rust
[INFO] tweaked toml for git repo https://github.com/naomijub/airline-reservation-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/naomijub/airline-reservation-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] a988790dbfbee7c50fde224afe7c0122516b2530e11e3b2c9f2726745b777190
[INFO] running `"docker" "start" "-a" "a988790dbfbee7c50fde224afe7c0122516b2530e11e3b2c9f2726745b777190"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking airlines v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `generate_airlines`
[INFO] [stderr]  --> src/flight.rs:1:22
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::airline::{generate_airlines, Airline, WeekValues};
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `generate_airlines`
[INFO] [stderr]  --> src/flight.rs:1:22
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::airline::{generate_airlines, Airline, WeekValues};
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `"docker" "inspect" "a988790dbfbee7c50fde224afe7c0122516b2530e11e3b2c9f2726745b777190"`
[INFO] running `"docker" "rm" "-f" "a988790dbfbee7c50fde224afe7c0122516b2530e11e3b2c9f2726745b777190"`
[INFO] [stdout] a988790dbfbee7c50fde224afe7c0122516b2530e11e3b2c9f2726745b777190