[INFO] updating cached repository limitLiu/learn-rust-by-rust-book
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/limitLiu/learn-rust-by-rust-book
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/limitLiu/learn-rust-by-rust-book" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/limitLiu/learn-rust-by-rust-book"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/limitLiu/learn-rust-by-rust-book'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/limitLiu/learn-rust-by-rust-book" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/limitLiu/learn-rust-by-rust-book"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/limitLiu/learn-rust-by-rust-book'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2b14b2b71e55287d94a0c259e089c3e31229bab3
[INFO] sha for GitHub repo limitLiu/learn-rust-by-rust-book: 2b14b2b71e55287d94a0c259e089c3e31229bab3
[INFO] validating manifest of limitLiu/learn-rust-by-rust-book 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 limitLiu/learn-rust-by-rust-book 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 limitLiu/learn-rust-by-rust-book
[INFO] finished frobbing limitLiu/learn-rust-by-rust-book
[INFO] frobbed toml for limitLiu/learn-rust-by-rust-book written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/limitLiu/learn-rust-by-rust-book/Cargo.toml
[INFO] started frobbing limitLiu/learn-rust-by-rust-book
[INFO] finished frobbing limitLiu/learn-rust-by-rust-book
[INFO] frobbed toml for limitLiu/learn-rust-by-rust-book written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/limitLiu/learn-rust-by-rust-book/Cargo.toml
[INFO] crate limitLiu/learn-rust-by-rust-book 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 limitLiu/learn-rust-by-rust-book against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-1/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/limitLiu/learn-rust-by-rust-book:/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] 6ed1315ff3981dfc665bd6dab0b3c3dba49f727e7b44b5bcae6264ae2fb1495f
[INFO] running `"docker" "start" "-a" "6ed1315ff3981dfc665bd6dab0b3c3dba49f727e7b44b5bcae6264ae2fb1495f"`
[INFO] [stderr]     Checking learn-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(box_syntax, uniform_paths)]
[INFO] [stderr]   |                        ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(box_syntax, uniform_paths)]
[INFO] [stderr]   |                        ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "6ed1315ff3981dfc665bd6dab0b3c3dba49f727e7b44b5bcae6264ae2fb1495f"`
[INFO] running `"docker" "rm" "-f" "6ed1315ff3981dfc665bd6dab0b3c3dba49f727e7b44b5bcae6264ae2fb1495f"`
[INFO] [stdout] 6ed1315ff3981dfc665bd6dab0b3c3dba49f727e7b44b5bcae6264ae2fb1495f