[INFO] updating cached repository pedrocr/syncer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pedrocr/syncer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pedrocr/syncer" "work/ex/beta-1.38-1/sources/1.37.0/gh/pedrocr/syncer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/pedrocr/syncer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pedrocr/syncer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pedrocr/syncer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pedrocr/syncer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 24d70fd452aa6b1463090f8c81178f736cd80739
[INFO] sha for GitHub repo pedrocr/syncer: 24d70fd452aa6b1463090f8c81178f736cd80739
[INFO] validating manifest of pedrocr/syncer 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 pedrocr/syncer 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 pedrocr/syncer
[INFO] finished frobbing pedrocr/syncer
[INFO] frobbed toml for pedrocr/syncer written to work/ex/beta-1.38-1/sources/1.37.0/gh/pedrocr/syncer/Cargo.toml
[INFO] started frobbing pedrocr/syncer
[INFO] finished frobbing pedrocr/syncer
[INFO] frobbed toml for pedrocr/syncer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pedrocr/syncer/Cargo.toml
[INFO] crate pedrocr/syncer 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing pedrocr/syncer against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pedrocr/syncer:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 05bf9d0a2eb74352becc281e140e97c12b4f861ffe048baa98d7983228c4d117
[INFO] running `"docker" "start" "-a" "05bf9d0a2eb74352becc281e140e97c12b4f861ffe048baa98d7983228c4d117"`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.15
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling linked-hash-map v0.4.2
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling lru-cache v0.1.1
[INFO] [stderr]    Compiling base64 v0.9.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling users v0.7.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.5.2
[INFO] [stderr]    Compiling digest v0.7.5
[INFO] [stderr]    Compiling blake2 v0.7.1
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.3
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling rusqlite v0.14.0
[INFO] [stderr]    Compiling fuse_mt v0.4.4
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.75
[INFO] [stderr]    Compiling syncer v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:184:21
[INFO] [stderr]     |
[INFO] [stderr] 184 |         if let Some(mut blob) = blocks.get_mut(&block) {
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 3m 25s
[INFO] running `"docker" "inspect" "05bf9d0a2eb74352becc281e140e97c12b4f861ffe048baa98d7983228c4d117"`
[INFO] running `"docker" "rm" "-f" "05bf9d0a2eb74352becc281e140e97c12b4f861ffe048baa98d7983228c4d117"`
[INFO] [stdout] 05bf9d0a2eb74352becc281e140e97c12b4f861ffe048baa98d7983228c4d117
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pedrocr/syncer:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a6fb0e12ee33d8a7ddc226c9a47ba10dea1a006610b8f7d4c6d1d4c7074ea757
[INFO] running `"docker" "start" "-a" "a6fb0e12ee33d8a7ddc226c9a47ba10dea1a006610b8f7d4c6d1d4c7074ea757"`
[INFO] [stderr]    Compiling syncer v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:184:21
[INFO] [stderr]     |
[INFO] [stderr] 184 |         if let Some(mut blob) = blocks.get_mut(&block) {
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 8.52s
[INFO] running `"docker" "inspect" "a6fb0e12ee33d8a7ddc226c9a47ba10dea1a006610b8f7d4c6d1d4c7074ea757"`
[INFO] running `"docker" "rm" "-f" "a6fb0e12ee33d8a7ddc226c9a47ba10dea1a006610b8f7d4c6d1d4c7074ea757"`
[INFO] [stdout] a6fb0e12ee33d8a7ddc226c9a47ba10dea1a006610b8f7d4c6d1d4c7074ea757
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pedrocr/syncer:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4871ebca75c9c604ecdb1397998be48570caffd5eedeffe041e7e09e802bc3db
[INFO] running `"docker" "start" "-a" "4871ebca75c9c604ecdb1397998be48570caffd5eedeffe041e7e09e802bc3db"`
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/syncer-16af0e834cc2fa8d
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test backingstore::metadatadb::tests::node_exists_long ... ok
[INFO] [stdout] test backingstore::metadatadb::tests::localbytes ... ok
[INFO] [stdout] test backingstore::metadatadb::tests::maxnode ... ok
[INFO] [stdout] test backingstore::metadatadb::tests::double_set_node ... ok
[INFO] [stdout] test backingstore::metadatadb::tests::set_and_get_peer ... ok
[INFO] [stdout] test backingstore::metadatadb::tests::get_earlier_node ... ok
[INFO] [stdout] test backingstore::metadatadb::tests::set_and_get_node ... ok
[INFO] [stdout] test backingstore::metadatadb::tests::set_and_reset_node ... ok
[INFO] [stdout] test backingstore::metadatadb::tests::to_upload_nodes ... ok
[INFO] [stdout] test config::tests::peernum_roundtrips ... ok
[INFO] [stdout] test backingstore::metadatadb::tests::to_upload ... ok
[INFO] [stdout] test filesystem::entry::tests::children_merge ... ok
[INFO] [stdout] test filesystem::entry::tests::children_remove ... ok
[INFO] [stdout] test backingstore::metadatadb::tests::touch_creates ... ok
[INFO] [stdout] test backingstore::metadatadb::tests::to_delete ... ok
[INFO] [stdout] test backingstore::metadatadb::tests::touch_marks_local ... ok
[INFO] [stdout] test filesystem::entry::tests::three_way_merge ... ok
[INFO] [stdout] test filesystem::entry::tests::serialization_roundtrips ... ok
[INFO] [stdout] test filesystem::vclock::tests::basic_compare ... ok
[INFO] [stdout] test backingstore::metadatadb::tests::set_node_behind ... ok
[INFO] [stdout] test filesystem::entry::tests::xattrs_remove ... ok
[INFO] [stdout] test filesystem::vclock::tests::basic_conflict ... ok
[INFO] [stdout] test filesystem::vclock::tests::merge ... ok
[INFO] [stdout] test filesystem::vclock::tests::serialization_roundtrips ... ok
[INFO] [stdout] test filesystem::entry::tests::xattrs_merge ... ok
[INFO] [stdout] test backingstore::metadatadb::tests::set_and_get_blob ... ok
[INFO] [stdout] test backingstore::metadatadb::tests::set_and_reset_blob ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/syncer-c44dcd01dc262732
[INFO] [stderr]    Doc-tests syncer
[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] [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" "4871ebca75c9c604ecdb1397998be48570caffd5eedeffe041e7e09e802bc3db"`
[INFO] running `"docker" "rm" "-f" "4871ebca75c9c604ecdb1397998be48570caffd5eedeffe041e7e09e802bc3db"`
[INFO] [stdout] 4871ebca75c9c604ecdb1397998be48570caffd5eedeffe041e7e09e802bc3db