[INFO] updating cached repository rahatchd/happy-lunch-mates
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rahatchd/happy-lunch-mates
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rahatchd/happy-lunch-mates" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/rahatchd/happy-lunch-mates"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/rahatchd/happy-lunch-mates'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rahatchd/happy-lunch-mates" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/rahatchd/happy-lunch-mates"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/rahatchd/happy-lunch-mates'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3655c16c955b5de3a2891c18853a316b9b654ebc
[INFO] sha for GitHub repo rahatchd/happy-lunch-mates: 3655c16c955b5de3a2891c18853a316b9b654ebc
[INFO] validating manifest of rahatchd/happy-lunch-mates on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rahatchd/happy-lunch-mates on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rahatchd/happy-lunch-mates
[INFO] finished frobbing rahatchd/happy-lunch-mates
[INFO] frobbed toml for rahatchd/happy-lunch-mates written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/rahatchd/happy-lunch-mates/Cargo.toml
[INFO] started frobbing rahatchd/happy-lunch-mates
[INFO] finished frobbing rahatchd/happy-lunch-mates
[INFO] frobbed toml for rahatchd/happy-lunch-mates written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/rahatchd/happy-lunch-mates/Cargo.toml
[INFO] crate rahatchd/happy-lunch-mates already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rahatchd/happy-lunch-mates against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-0/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/rahatchd/happy-lunch-mates:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8348b8bc942fd14cc55197803cc5b6c3d0624d03700d5e263ebea8205bdc3b4e
[INFO] running `"docker" "start" "-a" "8348b8bc942fd14cc55197803cc5b6c3d0624d03700d5e263ebea8205bdc3b4e"`
[INFO] [stderr]     Checking happy-lunch-mates v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Client`, `Error`
[INFO] [stderr]  --> src/main.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use slack::requests::{Error, Client};
[INFO] [stderr]   |                       ^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Client`, `Error`
[INFO] [stderr]  --> src/main.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use slack::requests::{Error, Client};
[INFO] [stderr]   |                       ^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.04s
[INFO] running `"docker" "inspect" "8348b8bc942fd14cc55197803cc5b6c3d0624d03700d5e263ebea8205bdc3b4e"`
[INFO] running `"docker" "rm" "-f" "8348b8bc942fd14cc55197803cc5b6c3d0624d03700d5e263ebea8205bdc3b4e"`
[INFO] [stdout] 8348b8bc942fd14cc55197803cc5b6c3d0624d03700d5e263ebea8205bdc3b4e