[INFO] updating cached repository micxjo/rust-synacor-challenge [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/micxjo/rust-synacor-challenge [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/micxjo/rust-synacor-challenge" "work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/micxjo/rust-synacor-challenge"` [INFO] [stderr] Cloning into 'work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/micxjo/rust-synacor-challenge'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/micxjo/rust-synacor-challenge" "work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/micxjo/rust-synacor-challenge"` [INFO] [stderr] Cloning into 'work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/micxjo/rust-synacor-challenge'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1af2ddd8bc6c770610adfe05def9ba03c118ac6f [INFO] sha for GitHub repo micxjo/rust-synacor-challenge: 1af2ddd8bc6c770610adfe05def9ba03c118ac6f [INFO] validating manifest of micxjo/rust-synacor-challenge on toolchain master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of micxjo/rust-synacor-challenge on toolchain try#26f8d250bb3c8a85e812cf663c730ef9e0df9315 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing micxjo/rust-synacor-challenge [INFO] finished frobbing micxjo/rust-synacor-challenge [INFO] frobbed toml for micxjo/rust-synacor-challenge written to work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/micxjo/rust-synacor-challenge/Cargo.toml [INFO] started frobbing micxjo/rust-synacor-challenge [INFO] finished frobbing micxjo/rust-synacor-challenge [INFO] frobbed toml for micxjo/rust-synacor-challenge written to work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/micxjo/rust-synacor-challenge/Cargo.toml [INFO] crate micxjo/rust-synacor-challenge has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking micxjo/rust-synacor-challenge against master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a for pr-57609 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57609/worker-2/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/micxjo/rust-synacor-challenge:/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" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] e01c38302e3f6de368b6bd60626c44c5556a68ccd8b90ac4c70cd299f7452e6d [INFO] running `"docker" "start" "-a" "e01c38302e3f6de368b6bd60626c44c5556a68ccd8b90ac4c70cd299f7452e6d"` [INFO] [stderr] Checking synacor v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.01s [INFO] running `"docker" "inspect" "e01c38302e3f6de368b6bd60626c44c5556a68ccd8b90ac4c70cd299f7452e6d"` [INFO] running `"docker" "rm" "-f" "e01c38302e3f6de368b6bd60626c44c5556a68ccd8b90ac4c70cd299f7452e6d"` [INFO] [stdout] e01c38302e3f6de368b6bd60626c44c5556a68ccd8b90ac4c70cd299f7452e6d