[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 master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] cdfe8d1acab4769fb2f6f1c72282233c2a1562eed6f0a04f8dcf5822ce391e4d [INFO] running `"docker" "start" "-a" "cdfe8d1acab4769fb2f6f1c72282233c2a1562eed6f0a04f8dcf5822ce391e4d"` [INFO] [stderr] Compiling toml v0.4.5 [INFO] [stderr] Compiling docopt v0.8.1 [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 10.16s [INFO] running `"docker" "inspect" "cdfe8d1acab4769fb2f6f1c72282233c2a1562eed6f0a04f8dcf5822ce391e4d"` [INFO] running `"docker" "rm" "-f" "cdfe8d1acab4769fb2f6f1c72282233c2a1562eed6f0a04f8dcf5822ce391e4d"` [INFO] [stdout] cdfe8d1acab4769fb2f6f1c72282233c2a1562eed6f0a04f8dcf5822ce391e4d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 73bbbdd4eb4c923e3e9ded899fae6b2eb0e109a7e99a3ae58ea92c8d3b6a5fa4 [INFO] running `"docker" "start" "-a" "73bbbdd4eb4c923e3e9ded899fae6b2eb0e109a7e99a3ae58ea92c8d3b6a5fa4"` [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 0.67s [INFO] running `"docker" "inspect" "73bbbdd4eb4c923e3e9ded899fae6b2eb0e109a7e99a3ae58ea92c8d3b6a5fa4"` [INFO] running `"docker" "rm" "-f" "73bbbdd4eb4c923e3e9ded899fae6b2eb0e109a7e99a3ae58ea92c8d3b6a5fa4"` [INFO] [stdout] 73bbbdd4eb4c923e3e9ded899fae6b2eb0e109a7e99a3ae58ea92c8d3b6a5fa4 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] ef7d72c963e0f9fd192a5fc7a815cf7ac86d90f652d691b31f6d49bf937ee7b8 [INFO] running `"docker" "start" "-a" "ef7d72c963e0f9fd192a5fc7a815cf7ac86d90f652d691b31f6d49bf937ee7b8"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/snapshot_trim-b66a3f73caca9a87 [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" "ef7d72c963e0f9fd192a5fc7a815cf7ac86d90f652d691b31f6d49bf937ee7b8"` [INFO] running `"docker" "rm" "-f" "ef7d72c963e0f9fd192a5fc7a815cf7ac86d90f652d691b31f6d49bf937ee7b8"` [INFO] [stdout] ef7d72c963e0f9fd192a5fc7a815cf7ac86d90f652d691b31f6d49bf937ee7b8