[INFO] updating cached repository stalehard/algorithm-shingles-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stalehard/algorithm-shingles-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stalehard/algorithm-shingles-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/stalehard/algorithm-shingles-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/stalehard/algorithm-shingles-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stalehard/algorithm-shingles-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stalehard/algorithm-shingles-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stalehard/algorithm-shingles-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] feeecab2f11b88a31330c952936871f3d0061d5d
[INFO] sha for GitHub repo stalehard/algorithm-shingles-rust: feeecab2f11b88a31330c952936871f3d0061d5d
[INFO] validating manifest of stalehard/algorithm-shingles-rust 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 stalehard/algorithm-shingles-rust 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 stalehard/algorithm-shingles-rust
[INFO] finished frobbing stalehard/algorithm-shingles-rust
[INFO] frobbed toml for stalehard/algorithm-shingles-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/stalehard/algorithm-shingles-rust/Cargo.toml
[INFO] started frobbing stalehard/algorithm-shingles-rust
[INFO] finished frobbing stalehard/algorithm-shingles-rust
[INFO] frobbed toml for stalehard/algorithm-shingles-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stalehard/algorithm-shingles-rust/Cargo.toml
[INFO] crate stalehard/algorithm-shingles-rust 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/stalehard/algorithm-shingles-rust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing stalehard/algorithm-shingles-rust against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stalehard/algorithm-shingles-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=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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 4f9f0e535bb64438567a3484f1c070fe63b61f12a5edb320b664bbb3e6993099
[INFO] running `"docker" "start" "-a" "4f9f0e535bb64438567a3484f1c070fe63b61f12a5edb320b664bbb3e6993099"`
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling libshingles v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/lib.rs:136:7
[INFO] [stderr]     |
[INFO] [stderr] 136 |             if (v.len() == 0 || hashes.len() != 2) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/lib.rs:147:7
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 if(*item1 == *item2) {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.34s
[INFO] running `"docker" "inspect" "4f9f0e535bb64438567a3484f1c070fe63b61f12a5edb320b664bbb3e6993099"`
[INFO] running `"docker" "rm" "-f" "4f9f0e535bb64438567a3484f1c070fe63b61f12a5edb320b664bbb3e6993099"`
[INFO] [stdout] 4f9f0e535bb64438567a3484f1c070fe63b61f12a5edb320b664bbb3e6993099
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stalehard/algorithm-shingles-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=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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] f411b6d2b7175b08893d3a4fb7221e5aa1c9bfbd7a3d88b840f695e7caa8b4fc
[INFO] running `"docker" "start" "-a" "f411b6d2b7175b08893d3a4fb7221e5aa1c9bfbd7a3d88b840f695e7caa8b4fc"`
[INFO] [stderr]    Compiling libshingles v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/lib.rs:136:7
[INFO] [stderr]     |
[INFO] [stderr] 136 |             if (v.len() == 0 || hashes.len() != 2) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/lib.rs:147:7
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 if(*item1 == *item2) {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `"docker" "inspect" "f411b6d2b7175b08893d3a4fb7221e5aa1c9bfbd7a3d88b840f695e7caa8b4fc"`
[INFO] running `"docker" "rm" "-f" "f411b6d2b7175b08893d3a4fb7221e5aa1c9bfbd7a3d88b840f695e7caa8b4fc"`
[INFO] [stdout] f411b6d2b7175b08893d3a4fb7221e5aa1c9bfbd7a3d88b840f695e7caa8b4fc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stalehard/algorithm-shingles-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=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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 251ae668d0f13044b480a277d71cb20c27f9956c6d352a59a9d6bbfed967f770
[INFO] running `"docker" "start" "-a" "251ae668d0f13044b480a277d71cb20c27f9956c6d352a59a9d6bbfed967f770"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/libshingles-e1f228cad1741757
[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" "251ae668d0f13044b480a277d71cb20c27f9956c6d352a59a9d6bbfed967f770"`
[INFO] running `"docker" "rm" "-f" "251ae668d0f13044b480a277d71cb20c27f9956c6d352a59a9d6bbfed967f770"`
[INFO] [stdout] 251ae668d0f13044b480a277d71cb20c27f9956c6d352a59a9d6bbfed967f770