[INFO] updating cached repository mparker17/lc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mparker17/lc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mparker17/lc" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/mparker17/lc"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/mparker17/lc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mparker17/lc" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/mparker17/lc"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/mparker17/lc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1f4628bc90a4814f82c9fed7c0a9e1b20494899f
[INFO] sha for GitHub repo mparker17/lc: 1f4628bc90a4814f82c9fed7c0a9e1b20494899f
[INFO] validating manifest of mparker17/lc on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mparker17/lc on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mparker17/lc
[INFO] finished frobbing mparker17/lc
[INFO] frobbed toml for mparker17/lc written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/mparker17/lc/Cargo.toml
[INFO] started frobbing mparker17/lc
[INFO] finished frobbing mparker17/lc
[INFO] frobbed toml for mparker17/lc written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/mparker17/lc/Cargo.toml
[INFO] crate mparker17/lc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mparker17/lc against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-4/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/mparker17/lc:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e8137b1af206b6f1f344d041ccae037931eb1bd3d66593a20d4cdb0522680299
[INFO] running `"docker" "start" "-a" "e8137b1af206b6f1f344d041ccae037931eb1bd3d66593a20d4cdb0522680299"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lc v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:31:19
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let file: Box<Read> = match matches.value_of("file") {
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:31:19
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let file: Box<Read> = match matches.value_of("file") {
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `"docker" "inspect" "e8137b1af206b6f1f344d041ccae037931eb1bd3d66593a20d4cdb0522680299"`
[INFO] running `"docker" "rm" "-f" "e8137b1af206b6f1f344d041ccae037931eb1bd3d66593a20d4cdb0522680299"`
[INFO] [stdout] e8137b1af206b6f1f344d041ccae037931eb1bd3d66593a20d4cdb0522680299