[INFO] updating cached repository callumthomson/rust-hangman [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/callumthomson/rust-hangman [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/callumthomson/rust-hangman" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/callumthomson/rust-hangman"` [INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/callumthomson/rust-hangman'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/callumthomson/rust-hangman" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/callumthomson/rust-hangman"` [INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/callumthomson/rust-hangman'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 15fc5d9887af57f93454aa4c68f965656ffbecaa [INFO] sha for GitHub repo callumthomson/rust-hangman: 15fc5d9887af57f93454aa4c68f965656ffbecaa [INFO] validating manifest of callumthomson/rust-hangman 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 callumthomson/rust-hangman 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 callumthomson/rust-hangman [INFO] finished frobbing callumthomson/rust-hangman [INFO] frobbed toml for callumthomson/rust-hangman written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/callumthomson/rust-hangman/Cargo.toml [INFO] started frobbing callumthomson/rust-hangman [INFO] finished frobbing callumthomson/rust-hangman [INFO] frobbed toml for callumthomson/rust-hangman written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/callumthomson/rust-hangman/Cargo.toml [INFO] crate callumthomson/rust-hangman 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 callumthomson/rust-hangman 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/callumthomson/rust-hangman:/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] 542833e5be368c942befcf3a259764a571c762ef5d501e96a6c504fdd92d3913 [INFO] running `"docker" "start" "-a" "542833e5be368c942befcf3a259764a571c762ef5d501e96a6c504fdd92d3913"` [INFO] [stderr] Checking rand v0.6.4 [INFO] [stderr] Checking hangman v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.39s [INFO] running `"docker" "inspect" "542833e5be368c942befcf3a259764a571c762ef5d501e96a6c504fdd92d3913"` [INFO] running `"docker" "rm" "-f" "542833e5be368c942befcf3a259764a571c762ef5d501e96a6c504fdd92d3913"` [INFO] [stdout] 542833e5be368c942befcf3a259764a571c762ef5d501e96a6c504fdd92d3913