[INFO] updating cached repository AlexVPopov/rust_in_other_languages
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AlexVPopov/rust_in_other_languages
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AlexVPopov/rust_in_other_languages" "work/ex/beta-1.38-1/sources/1.37.0/gh/AlexVPopov/rust_in_other_languages"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/AlexVPopov/rust_in_other_languages'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AlexVPopov/rust_in_other_languages" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AlexVPopov/rust_in_other_languages"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AlexVPopov/rust_in_other_languages'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd0c169e64ac1ba7e8194665d8f1dd006a551c45
[INFO] sha for GitHub repo AlexVPopov/rust_in_other_languages: bd0c169e64ac1ba7e8194665d8f1dd006a551c45
[INFO] validating manifest of AlexVPopov/rust_in_other_languages on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AlexVPopov/rust_in_other_languages on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing AlexVPopov/rust_in_other_languages
[INFO] finished frobbing AlexVPopov/rust_in_other_languages
[INFO] frobbed toml for AlexVPopov/rust_in_other_languages written to work/ex/beta-1.38-1/sources/1.37.0/gh/AlexVPopov/rust_in_other_languages/Cargo.toml
[INFO] started frobbing AlexVPopov/rust_in_other_languages
[INFO] finished frobbing AlexVPopov/rust_in_other_languages
[INFO] frobbed toml for AlexVPopov/rust_in_other_languages written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AlexVPopov/rust_in_other_languages/Cargo.toml
[INFO] crate AlexVPopov/rust_in_other_languages already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing AlexVPopov/rust_in_other_languages against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AlexVPopov/rust_in_other_languages:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 0214c4a543cd63ee511992e483cc4b6d5e4b0ad1096077f2ff910b3fcd692ef9
[INFO] running `"docker" "start" "-a" "0214c4a543cd63ee511992e483cc4b6d5e4b0ad1096077f2ff910b3fcd692ef9"`
[INFO] [stderr] warning: path `/opt/crater/workdir/src/embed.rs` was erroneously implicitly accepted for library `embed`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] [stderr]    Compiling rust_in_other_languages v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]  --> src/embed.rs:8:22
[INFO] [stderr]   |
[INFO] [stderr] 8 |             for _ in (0..5_000_000) {
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "0214c4a543cd63ee511992e483cc4b6d5e4b0ad1096077f2ff910b3fcd692ef9"`
[INFO] running `"docker" "rm" "-f" "0214c4a543cd63ee511992e483cc4b6d5e4b0ad1096077f2ff910b3fcd692ef9"`
[INFO] [stdout] 0214c4a543cd63ee511992e483cc4b6d5e4b0ad1096077f2ff910b3fcd692ef9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AlexVPopov/rust_in_other_languages:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e5b781d345877d817c0a5c230576bad7ebc72b4545f94191847ca6b05589d621
[INFO] running `"docker" "start" "-a" "e5b781d345877d817c0a5c230576bad7ebc72b4545f94191847ca6b05589d621"`
[INFO] [stderr] warning: path `/opt/crater/workdir/src/embed.rs` was erroneously implicitly accepted for library `embed`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] [stderr]    Compiling rust_in_other_languages v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]  --> src/embed.rs:8:22
[INFO] [stderr]   |
[INFO] [stderr] 8 |             for _ in (0..5_000_000) {
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "e5b781d345877d817c0a5c230576bad7ebc72b4545f94191847ca6b05589d621"`
[INFO] running `"docker" "rm" "-f" "e5b781d345877d817c0a5c230576bad7ebc72b4545f94191847ca6b05589d621"`
[INFO] [stdout] e5b781d345877d817c0a5c230576bad7ebc72b4545f94191847ca6b05589d621
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AlexVPopov/rust_in_other_languages:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 2deed380dea53aaa1517a592e4602cb7729b1a6719950af53d4dc7cccd890b0b
[INFO] running `"docker" "start" "-a" "2deed380dea53aaa1517a592e4602cb7729b1a6719950af53d4dc7cccd890b0b"`
[INFO] [stderr] warning: path `/opt/crater/workdir/src/embed.rs` was erroneously implicitly accepted for library `embed`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/embed-1a996aea4504e487
[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" "2deed380dea53aaa1517a592e4602cb7729b1a6719950af53d4dc7cccd890b0b"`
[INFO] running `"docker" "rm" "-f" "2deed380dea53aaa1517a592e4602cb7729b1a6719950af53d4dc7cccd890b0b"`
[INFO] [stdout] 2deed380dea53aaa1517a592e4602cb7729b1a6719950af53d4dc7cccd890b0b