[INFO] updating cached repository 4lex1v/linked_list_in_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/4lex1v/linked_list_in_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/4lex1v/linked_list_in_rust" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/4lex1v/linked_list_in_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/4lex1v/linked_list_in_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/4lex1v/linked_list_in_rust" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/4lex1v/linked_list_in_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/4lex1v/linked_list_in_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d2e55d911ee6accf67064a5b3170f25596727510
[INFO] sha for GitHub repo 4lex1v/linked_list_in_rust: d2e55d911ee6accf67064a5b3170f25596727510
[INFO] validating manifest of 4lex1v/linked_list_in_rust on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 4lex1v/linked_list_in_rust on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing 4lex1v/linked_list_in_rust
[INFO] finished frobbing 4lex1v/linked_list_in_rust
[INFO] frobbed toml for 4lex1v/linked_list_in_rust written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/4lex1v/linked_list_in_rust/Cargo.toml
[INFO] started frobbing 4lex1v/linked_list_in_rust
[INFO] finished frobbing 4lex1v/linked_list_in_rust
[INFO] frobbed toml for 4lex1v/linked_list_in_rust written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/4lex1v/linked_list_in_rust/Cargo.toml
[INFO] crate 4lex1v/linked_list_in_rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking 4lex1v/linked_list_in_rust against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-4/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/4lex1v/linked_list_in_rust:/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 06dede757a1756e0f06d1703549192a40c38724d0af02125231f8e701b6f44a7
[INFO] running `"docker" "start" "-a" "06dede757a1756e0f06d1703549192a40c38724d0af02125231f8e701b6f44a7"`
[INFO] [stderr]     Checking rusty_lists v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "06dede757a1756e0f06d1703549192a40c38724d0af02125231f8e701b6f44a7"`
[INFO] running `"docker" "rm" "-f" "06dede757a1756e0f06d1703549192a40c38724d0af02125231f8e701b6f44a7"`
[INFO] [stdout] 06dede757a1756e0f06d1703549192a40c38724d0af02125231f8e701b6f44a7