[INFO] updating cached repository https://github.com/benschulz/acid
[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] ec1bd69980497694fbeb4bfef0d0506078924a0e
[INFO] testing benschulz/acid against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenschulz%2Facid" "work/builds/worker-11/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benschulz/acid on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/benschulz/acid
[INFO] finished tweaking git repo https://github.com/benschulz/acid
[INFO] tweaked toml for git repo https://github.com/benschulz/acid written to work/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/benschulz/acid already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] c810b4d2827aa1284f91d0f715bab096f81a860ecdd42457d1489c13ba857d76
[INFO] running `"docker" "start" "-a" "c810b4d2827aa1284f91d0f715bab096f81a860ecdd42457d1489c13ba857d76"`
[INFO] [stderr]    Compiling acid v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `"docker" "inspect" "c810b4d2827aa1284f91d0f715bab096f81a860ecdd42457d1489c13ba857d76"`
[INFO] running `"docker" "rm" "-f" "c810b4d2827aa1284f91d0f715bab096f81a860ecdd42457d1489c13ba857d76"`
[INFO] [stdout] c810b4d2827aa1284f91d0f715bab096f81a860ecdd42457d1489c13ba857d76
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] d45ccefb3e775495e8f22abe9fc93d1ae753d54449775090e570b3f1a630d8e4
[INFO] running `"docker" "start" "-a" "d45ccefb3e775495e8f22abe9fc93d1ae753d54449775090e570b3f1a630d8e4"`
[INFO] [stderr]    Compiling acid v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
[INFO] [stderr]   --> src/lib.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     acid.clone();
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: cloning is often expensive and is not expected to have side effects
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
[INFO] [stderr]   --> src/lib.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     acid.clone();
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: cloning is often expensive and is not expected to have side effects
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "d45ccefb3e775495e8f22abe9fc93d1ae753d54449775090e570b3f1a630d8e4"`
[INFO] running `"docker" "rm" "-f" "d45ccefb3e775495e8f22abe9fc93d1ae753d54449775090e570b3f1a630d8e4"`
[INFO] [stdout] d45ccefb3e775495e8f22abe9fc93d1ae753d54449775090e570b3f1a630d8e4
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] d0365a3b572f9658ccaf341b2e059cee28e470c4988a938cfa0f55ea19064b07
[INFO] running `"docker" "start" "-a" "d0365a3b572f9658ccaf341b2e059cee28e470c4988a938cfa0f55ea19064b07"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/acid-f0e6ecf218f3ea09
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_should_panic_when_running_out_of_ids ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-d9bac0eac5e7b13d
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ids_for_two_clones_should_differ ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests acid
[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" "d0365a3b572f9658ccaf341b2e059cee28e470c4988a938cfa0f55ea19064b07"`
[INFO] running `"docker" "rm" "-f" "d0365a3b572f9658ccaf341b2e059cee28e470c4988a938cfa0f55ea19064b07"`
[INFO] [stdout] d0365a3b572f9658ccaf341b2e059cee28e470c4988a938cfa0f55ea19064b07