[INFO] updating cached repository HristoKolev/sync-dir
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/HristoKolev/sync-dir
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/HristoKolev/sync-dir" "work/ex/beta-1.38-1/sources/1.37.0/gh/HristoKolev/sync-dir"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/HristoKolev/sync-dir'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/HristoKolev/sync-dir" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/HristoKolev/sync-dir"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/HristoKolev/sync-dir'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9584a0ebfa752666967e97c479b5ced61919d3eb
[INFO] sha for GitHub repo HristoKolev/sync-dir: 9584a0ebfa752666967e97c479b5ced61919d3eb
[INFO] validating manifest of HristoKolev/sync-dir 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 HristoKolev/sync-dir 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 HristoKolev/sync-dir
[INFO] finished frobbing HristoKolev/sync-dir
[INFO] frobbed toml for HristoKolev/sync-dir written to work/ex/beta-1.38-1/sources/1.37.0/gh/HristoKolev/sync-dir/Cargo.toml
[INFO] started frobbing HristoKolev/sync-dir
[INFO] finished frobbing HristoKolev/sync-dir
[INFO] frobbed toml for HristoKolev/sync-dir written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/HristoKolev/sync-dir/Cargo.toml
[INFO] crate HristoKolev/sync-dir 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing HristoKolev/sync-dir against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/HristoKolev/sync-dir:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 4789d1e89369d1bdf6820cdeb571dfd583461e9b99236d0f3d51d45f5abc2fe6
[INFO] running `"docker" "start" "-a" "4789d1e89369d1bdf6820cdeb571dfd583461e9b99236d0f3d51d45f5abc2fe6"`
[INFO] [stderr]    Compiling uname v0.1.1
[INFO] [stderr]    Compiling bstr v0.1.4
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling im v12.3.4
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling url_serde v0.2.0
[INFO] [stderr]    Compiling notify v4.0.12
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling globset v0.4.3
[INFO] [stderr]    Compiling tokio v0.1.21
[INFO] [stderr]    Compiling debugid v0.4.0
[INFO] [stderr]    Compiling ignore v0.4.7
[INFO] [stderr]    Compiling hyper v0.12.30
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling sentry-types v0.11.0
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.18
[INFO] [stderr]    Compiling sentry v0.15.5
[INFO] [stderr]    Compiling sync-dir v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/global/extensions.rs:132:26
[INFO] [stderr]     |
[INFO] [stderr] 132 |             Some(v) => v.flatten(),
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `global::extensions::OptionFlatten::flatten(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/global/extensions.rs:141:26
[INFO] [stderr]     |
[INFO] [stderr] 141 |             Some(v) => v.flatten(),
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `global::extensions::OptionFlatten::flatten(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/global/extensions.rs:150:26
[INFO] [stderr]     |
[INFO] [stderr] 150 |             Some(v) => v.flatten(),
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `global::extensions::OptionFlatten::flatten(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `"docker" "inspect" "4789d1e89369d1bdf6820cdeb571dfd583461e9b99236d0f3d51d45f5abc2fe6"`
[INFO] running `"docker" "rm" "-f" "4789d1e89369d1bdf6820cdeb571dfd583461e9b99236d0f3d51d45f5abc2fe6"`
[INFO] [stdout] 4789d1e89369d1bdf6820cdeb571dfd583461e9b99236d0f3d51d45f5abc2fe6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/HristoKolev/sync-dir:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] f12d12ec108bf1909fbc4a5a0c7486669fe6c4a2be64f17f47fcc7ca2e7827b3
[INFO] running `"docker" "start" "-a" "f12d12ec108bf1909fbc4a5a0c7486669fe6c4a2be64f17f47fcc7ca2e7827b3"`
[INFO] [stderr]    Compiling sync-dir v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/global/extensions.rs:132:26
[INFO] [stderr]     |
[INFO] [stderr] 132 |             Some(v) => v.flatten(),
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `global::extensions::OptionFlatten::flatten(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/global/extensions.rs:141:26
[INFO] [stderr]     |
[INFO] [stderr] 141 |             Some(v) => v.flatten(),
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `global::extensions::OptionFlatten::flatten(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/global/extensions.rs:150:26
[INFO] [stderr]     |
[INFO] [stderr] 150 |             Some(v) => v.flatten(),
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `global::extensions::OptionFlatten::flatten(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.09s
[INFO] running `"docker" "inspect" "f12d12ec108bf1909fbc4a5a0c7486669fe6c4a2be64f17f47fcc7ca2e7827b3"`
[INFO] running `"docker" "rm" "-f" "f12d12ec108bf1909fbc4a5a0c7486669fe6c4a2be64f17f47fcc7ca2e7827b3"`
[INFO] [stdout] f12d12ec108bf1909fbc4a5a0c7486669fe6c4a2be64f17f47fcc7ca2e7827b3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/HristoKolev/sync-dir:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 10b431ec06191d13d0b7cf99e2e64bfd682c62abee409c4fcce0839b3d2c3ad3
[INFO] running `"docker" "start" "-a" "10b431ec06191d13d0b7cf99e2e64bfd682c62abee409c4fcce0839b3d2c3ad3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sync_dir-fd277ea3e05187c3
[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" "10b431ec06191d13d0b7cf99e2e64bfd682c62abee409c4fcce0839b3d2c3ad3"`
[INFO] running `"docker" "rm" "-f" "10b431ec06191d13d0b7cf99e2e64bfd682c62abee409c4fcce0839b3d2c3ad3"`
[INFO] [stdout] 10b431ec06191d13d0b7cf99e2e64bfd682c62abee409c4fcce0839b3d2c3ad3