[INFO] updating cached repository neosmart/pkg-graph
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/neosmart/pkg-graph
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/neosmart/pkg-graph" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/neosmart/pkg-graph"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/neosmart/pkg-graph'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/neosmart/pkg-graph" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/neosmart/pkg-graph"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/neosmart/pkg-graph'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3b1689806266a18766f7107fd41252cd1ad57e70
[INFO] sha for GitHub repo neosmart/pkg-graph: 3b1689806266a18766f7107fd41252cd1ad57e70
[INFO] validating manifest of neosmart/pkg-graph on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of neosmart/pkg-graph on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing neosmart/pkg-graph
[INFO] finished frobbing neosmart/pkg-graph
[INFO] frobbed toml for neosmart/pkg-graph written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/neosmart/pkg-graph/Cargo.toml
[INFO] started frobbing neosmart/pkg-graph
[INFO] finished frobbing neosmart/pkg-graph
[INFO] frobbed toml for neosmart/pkg-graph written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/neosmart/pkg-graph/Cargo.toml
[INFO] crate neosmart/pkg-graph already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking neosmart/pkg-graph against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/neosmart/pkg-graph:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0b20190953be233ffa32d5beb482f665caacff205a5df075ec30f1bc896a5748
[INFO] running `"docker" "start" "-a" "0b20190953be233ffa32d5beb482f665caacff205a5df075ec30f1bc896a5748"`
[INFO] [stderr]     Checking pkg-graph v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:72:29
[INFO] [stderr]    |
[INFO] [stderr] 72 |                         let mut v = entry.get_mut().as_mut().unwrap();
[INFO] [stderr]    |                             ----^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:72:29
[INFO] [stderr]    |
[INFO] [stderr] 72 |                         let mut v = entry.get_mut().as_mut().unwrap();
[INFO] [stderr]    |                             ----^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "0b20190953be233ffa32d5beb482f665caacff205a5df075ec30f1bc896a5748"`
[INFO] running `"docker" "rm" "-f" "0b20190953be233ffa32d5beb482f665caacff205a5df075ec30f1bc896a5748"`
[INFO] [stdout] 0b20190953be233ffa32d5beb482f665caacff205a5df075ec30f1bc896a5748