[INFO] cloning repository eminence/snapshot_trim [INFO] running `"git" "clone" "--bare" "git://github.com/eminence/snapshot_trim.git" "work/cache/sources/gh/eminence/snapshot_trim"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/eminence/snapshot_trim'... [INFO] running `"git" "clone" "work/cache/sources/gh/eminence/snapshot_trim" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/eminence/snapshot_trim"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/eminence/snapshot_trim'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/eminence/snapshot_trim" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/eminence/snapshot_trim"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/eminence/snapshot_trim'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b1bb505cdca364d322f9268fbc7a284734044a4b [INFO] sha for GitHub repo eminence/snapshot_trim: b1bb505cdca364d322f9268fbc7a284734044a4b [INFO] validating manifest of eminence/snapshot_trim on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of eminence/snapshot_trim on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing eminence/snapshot_trim [INFO] finished frobbing eminence/snapshot_trim [INFO] frobbed toml for eminence/snapshot_trim written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/eminence/snapshot_trim/Cargo.toml [INFO] started frobbing eminence/snapshot_trim [INFO] finished frobbing eminence/snapshot_trim [INFO] frobbed toml for eminence/snapshot_trim written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/eminence/snapshot_trim/Cargo.toml [INFO] crate eminence/snapshot_trim already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing eminence/snapshot_trim against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/eminence/snapshot_trim:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] a23565c67635dc47a095cdd69030d3f1a18ad9c6b6d658819e0fe44aeb9d43b4 [INFO] running `"docker" "start" "-a" "a23565c67635dc47a095cdd69030d3f1a18ad9c6b6d658819e0fe44aeb9d43b4"` [INFO] [stderr] Compiling serde v1.0.24 [INFO] [stderr] Compiling serde_derive_internals v0.18.0 [INFO] [stderr] Compiling serde_derive v1.0.24 [INFO] [stderr] Compiling docopt v0.8.1 [INFO] [stderr] Compiling toml v0.4.5 [INFO] [stderr] Compiling snapshot_trim v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | write!(fmt, "", self.snap, self.state); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.32s [INFO] running `"docker" "inspect" "a23565c67635dc47a095cdd69030d3f1a18ad9c6b6d658819e0fe44aeb9d43b4"` [INFO] running `"docker" "rm" "-f" "a23565c67635dc47a095cdd69030d3f1a18ad9c6b6d658819e0fe44aeb9d43b4"` [INFO] [stdout] a23565c67635dc47a095cdd69030d3f1a18ad9c6b6d658819e0fe44aeb9d43b4 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/eminence/snapshot_trim:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] d485b0ab68dd29f5ea154200fc9c1a97bac19b67d18a64ab66141bc98e8f5b62 [INFO] running `"docker" "start" "-a" "d485b0ab68dd29f5ea154200fc9c1a97bac19b67d18a64ab66141bc98e8f5b62"` [INFO] [stderr] Compiling snapshot_trim v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | write!(fmt, "", self.snap, self.state); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `"docker" "inspect" "d485b0ab68dd29f5ea154200fc9c1a97bac19b67d18a64ab66141bc98e8f5b62"` [INFO] running `"docker" "rm" "-f" "d485b0ab68dd29f5ea154200fc9c1a97bac19b67d18a64ab66141bc98e8f5b62"` [INFO] [stdout] d485b0ab68dd29f5ea154200fc9c1a97bac19b67d18a64ab66141bc98e8f5b62 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/eminence/snapshot_trim:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] 9cb65f3cc6eda09739bb75c8d5d2db995e2df49ac9ec01b42a4c1596e6db9589 [INFO] running `"docker" "start" "-a" "9cb65f3cc6eda09739bb75c8d5d2db995e2df49ac9ec01b42a4c1596e6db9589"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/crater/target/debug/deps/snapshot_trim-72a24ed642bfd857 [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" "9cb65f3cc6eda09739bb75c8d5d2db995e2df49ac9ec01b42a4c1596e6db9589"` [INFO] running `"docker" "rm" "-f" "9cb65f3cc6eda09739bb75c8d5d2db995e2df49ac9ec01b42a4c1596e6db9589"` [INFO] [stdout] 9cb65f3cc6eda09739bb75c8d5d2db995e2df49ac9ec01b42a4c1596e6db9589