[INFO] updating cached repository amazingmo/references
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/amazingmo/references
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/amazingmo/references" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/amazingmo/references"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/amazingmo/references'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/amazingmo/references" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/amazingmo/references"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/amazingmo/references'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 86548b20b142cb5d14f112cf0e52c4033caba475
[INFO] sha for GitHub repo amazingmo/references: 86548b20b142cb5d14f112cf0e52c4033caba475
[INFO] validating manifest of amazingmo/references on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of amazingmo/references on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing amazingmo/references
[INFO] finished frobbing amazingmo/references
[INFO] frobbed toml for amazingmo/references written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/amazingmo/references/Cargo.toml
[INFO] started frobbing amazingmo/references
[INFO] finished frobbing amazingmo/references
[INFO] frobbed toml for amazingmo/references written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/amazingmo/references/Cargo.toml
[INFO] crate amazingmo/references already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking amazingmo/references against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-1/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/amazingmo/references:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3a9bf58aff29ad7f5aa476e7333ffdcc9b0b226a71fc9b2241c1e1daa96674ce
[INFO] running `"docker" "start" "-a" "3a9bf58aff29ad7f5aa476e7333ffdcc9b0b226a71fc9b2241c1e1daa96674ce"`
[INFO] [stderr]     Checking references v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `m` is never read
[INFO] [stderr]    --> src/main.rs:108:17
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let mut m = &mut y;
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `m` is never read
[INFO] [stderr]    --> src/main.rs:108:17
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let mut m = &mut y;
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `x`
[INFO] [stderr]    --> src/main.rs:126:24
[INFO] [stderr]     |
[INFO] [stderr] 126 |         struct Point { x: i32, y: i32}
[INFO] [stderr]     |                        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "3a9bf58aff29ad7f5aa476e7333ffdcc9b0b226a71fc9b2241c1e1daa96674ce"`
[INFO] running `"docker" "rm" "-f" "3a9bf58aff29ad7f5aa476e7333ffdcc9b0b226a71fc9b2241c1e1daa96674ce"`
[INFO] [stdout] 3a9bf58aff29ad7f5aa476e7333ffdcc9b0b226a71fc9b2241c1e1daa96674ce