[INFO] cloning repository learn-you-a-rust/structs_example [INFO] running `"git" "clone" "--bare" "git://github.com/learn-you-a-rust/structs_example.git" "work/cache/sources/gh/learn-you-a-rust/structs_example"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/learn-you-a-rust/structs_example'... [INFO] running `"git" "clone" "work/cache/sources/gh/learn-you-a-rust/structs_example" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/learn-you-a-rust/structs_example"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/learn-you-a-rust/structs_example'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/learn-you-a-rust/structs_example" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/learn-you-a-rust/structs_example"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/learn-you-a-rust/structs_example'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] be9b4b2f694b4aa2ea787f63daa8e0c8b574a754 [INFO] sha for GitHub repo learn-you-a-rust/structs_example: be9b4b2f694b4aa2ea787f63daa8e0c8b574a754 [INFO] validating manifest of learn-you-a-rust/structs_example 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 learn-you-a-rust/structs_example 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 learn-you-a-rust/structs_example [INFO] finished frobbing learn-you-a-rust/structs_example [INFO] frobbed toml for learn-you-a-rust/structs_example written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/learn-you-a-rust/structs_example/Cargo.toml [INFO] started frobbing learn-you-a-rust/structs_example [INFO] finished frobbing learn-you-a-rust/structs_example [INFO] frobbed toml for learn-you-a-rust/structs_example written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/learn-you-a-rust/structs_example/Cargo.toml [INFO] crate learn-you-a-rust/structs_example 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 learn-you-a-rust/structs_example against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-1/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/learn-you-a-rust/structs_example:/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] 4c523c34dcda97653edaa5935e5afa69e0e8defb651296fc11553d50007bfab5 [INFO] running `"docker" "start" "-a" "4c523c34dcda97653edaa5935e5afa69e0e8defb651296fc11553d50007bfab5"` [INFO] [stderr] Checking structs_example v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `"docker" "inspect" "4c523c34dcda97653edaa5935e5afa69e0e8defb651296fc11553d50007bfab5"` [INFO] running `"docker" "rm" "-f" "4c523c34dcda97653edaa5935e5afa69e0e8defb651296fc11553d50007bfab5"` [INFO] [stdout] 4c523c34dcda97653edaa5935e5afa69e0e8defb651296fc11553d50007bfab5