[INFO] cloning repository heavypackets/rust-iterator-emoji [INFO] running `"git" "clone" "--bare" "git://github.com/heavypackets/rust-iterator-emoji.git" "work/cache/sources/gh/heavypackets/rust-iterator-emoji"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/heavypackets/rust-iterator-emoji'... [INFO] running `"git" "clone" "work/cache/sources/gh/heavypackets/rust-iterator-emoji" "work/ex/beta-1.37-6/sources/1.36.0/gh/heavypackets/rust-iterator-emoji"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/heavypackets/rust-iterator-emoji'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/heavypackets/rust-iterator-emoji" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/heavypackets/rust-iterator-emoji"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/heavypackets/rust-iterator-emoji'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1616bec1b7b143eb70a4a48f614c45f4b5480213 [INFO] sha for GitHub repo heavypackets/rust-iterator-emoji: 1616bec1b7b143eb70a4a48f614c45f4b5480213 [INFO] validating manifest of heavypackets/rust-iterator-emoji on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of heavypackets/rust-iterator-emoji on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing heavypackets/rust-iterator-emoji [INFO] finished frobbing heavypackets/rust-iterator-emoji [INFO] frobbed toml for heavypackets/rust-iterator-emoji written to work/ex/beta-1.37-6/sources/1.36.0/gh/heavypackets/rust-iterator-emoji/Cargo.toml [INFO] started frobbing heavypackets/rust-iterator-emoji [INFO] finished frobbing heavypackets/rust-iterator-emoji [INFO] frobbed toml for heavypackets/rust-iterator-emoji written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/heavypackets/rust-iterator-emoji/Cargo.toml [INFO] crate heavypackets/rust-iterator-emoji already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing heavypackets/rust-iterator-emoji against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/heavypackets/rust-iterator-emoji:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] a383fec3b70df928bb12f8c23b8bb2b19edbcde1588c03f88cb7dc083db2c9bd [INFO] running `"docker" "start" "-a" "a383fec3b70df928bb12f8c23b8bb2b19edbcde1588c03f88cb7dc083db2c9bd"` [INFO] [stderr] Compiling rust-iterators-as-emojis v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `"docker" "inspect" "a383fec3b70df928bb12f8c23b8bb2b19edbcde1588c03f88cb7dc083db2c9bd"` [INFO] running `"docker" "rm" "-f" "a383fec3b70df928bb12f8c23b8bb2b19edbcde1588c03f88cb7dc083db2c9bd"` [INFO] [stdout] a383fec3b70df928bb12f8c23b8bb2b19edbcde1588c03f88cb7dc083db2c9bd [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/heavypackets/rust-iterator-emoji:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] aaa6e1c302b22413ea773067323c21c3d875e5333cdd69ebe1b2cf21c10d7b91 [INFO] running `"docker" "start" "-a" "aaa6e1c302b22413ea773067323c21c3d875e5333cdd69ebe1b2cf21c10d7b91"` [INFO] [stderr] Compiling rust-iterators-as-emojis v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `"docker" "inspect" "aaa6e1c302b22413ea773067323c21c3d875e5333cdd69ebe1b2cf21c10d7b91"` [INFO] running `"docker" "rm" "-f" "aaa6e1c302b22413ea773067323c21c3d875e5333cdd69ebe1b2cf21c10d7b91"` [INFO] [stdout] aaa6e1c302b22413ea773067323c21c3d875e5333cdd69ebe1b2cf21c10d7b91 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/heavypackets/rust-iterator-emoji:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 0c6958836323e6b4d092d60281572ebf441adb102bf83a46f5da307bec7fe33e [INFO] running `"docker" "start" "-a" "0c6958836323e6b4d092d60281572ebf441adb102bf83a46f5da307bec7fe33e"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_iterators_as_emojis-0d511e8a423fc9f4 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "0c6958836323e6b4d092d60281572ebf441adb102bf83a46f5da307bec7fe33e"` [INFO] running `"docker" "rm" "-f" "0c6958836323e6b4d092d60281572ebf441adb102bf83a46f5da307bec7fe33e"` [INFO] [stdout] 0c6958836323e6b4d092d60281572ebf441adb102bf83a46f5da307bec7fe33e