[INFO] updating cached repository https://github.com/ddresselhaus/test_rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f35b2bbde7626b537463982399b30772198a1f5c
[INFO] testing ddresselhaus/test_rust against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddresselhaus%2Ftest_rust" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ddresselhaus/test_rust on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ddresselhaus/test_rust
[INFO] finished tweaking git repo https://github.com/ddresselhaus/test_rust
[INFO] tweaked toml for git repo https://github.com/ddresselhaus/test_rust written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ddresselhaus/test_rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 36e14551ecb370db48d6e400db5862e67143787f717b02bd475dbcfef6c7cb18
[INFO] running `"docker" "start" "-a" "36e14551ecb370db48d6e400db5862e67143787f717b02bd475dbcfef6c7cb18"`
[INFO] [stderr]    Compiling hello_world v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]  --> src/fizzbuzz.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     for i in (1..100) {
[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 2.20s
[INFO] running `"docker" "inspect" "36e14551ecb370db48d6e400db5862e67143787f717b02bd475dbcfef6c7cb18"`
[INFO] running `"docker" "rm" "-f" "36e14551ecb370db48d6e400db5862e67143787f717b02bd475dbcfef6c7cb18"`
[INFO] [stdout] 36e14551ecb370db48d6e400db5862e67143787f717b02bd475dbcfef6c7cb18
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 780ccc79f8cc7dda326f50a919e0a3b05281f6950d33b2dbac0f1f555a373fb6
[INFO] running `"docker" "start" "-a" "780ccc79f8cc7dda326f50a919e0a3b05281f6950d33b2dbac0f1f555a373fb6"`
[INFO] [stderr]    Compiling hello_world v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]  --> src/fizzbuzz.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     for i in (1..100) {
[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 1.26s
[INFO] running `"docker" "inspect" "780ccc79f8cc7dda326f50a919e0a3b05281f6950d33b2dbac0f1f555a373fb6"`
[INFO] running `"docker" "rm" "-f" "780ccc79f8cc7dda326f50a919e0a3b05281f6950d33b2dbac0f1f555a373fb6"`
[INFO] [stdout] 780ccc79f8cc7dda326f50a919e0a3b05281f6950d33b2dbac0f1f555a373fb6
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 7cbf3cb32afe52c96ddf694abd5f987a1f31b451034509eefc4dac6e758bd954
[INFO] running `"docker" "start" "-a" "7cbf3cb32afe52c96ddf694abd5f987a1f31b451034509eefc4dac6e758bd954"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hello_world-e70d7b32d39f7729
[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" "7cbf3cb32afe52c96ddf694abd5f987a1f31b451034509eefc4dac6e758bd954"`
[INFO] running `"docker" "rm" "-f" "7cbf3cb32afe52c96ddf694abd5f987a1f31b451034509eefc4dac6e758bd954"`
[INFO] [stdout] 7cbf3cb32afe52c96ddf694abd5f987a1f31b451034509eefc4dac6e758bd954