[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-1.37-6/sources/1.36.0/gh/HristoKolev/sync-dir"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/HristoKolev/sync-dir'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/HristoKolev/sync-dir" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/HristoKolev/sync-dir"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of HristoKolev/sync-dir on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing HristoKolev/sync-dir against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "build" "--frozen"` [INFO] [stdout] 75f49f303ac75d204c7e9328ef44cf9832a59e6d3bca5a08d448a99cd5764655 [INFO] running `"docker" "start" "-a" "75f49f303ac75d204c7e9328ef44cf9832a59e6d3bca5a08d448a99cd5764655"` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling either v1.5.2 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling futures v0.1.27 [INFO] [stderr] Compiling syn v0.15.36 [INFO] [stderr] Compiling rustc-demangle v0.1.15 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling openssl v0.10.23 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling indexmap v1.0.2 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling encoding_rs v0.8.17 [INFO] [stderr] Compiling dtoa v0.4.4 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling termcolor v1.0.5 [INFO] [stderr] Compiling httpdate v0.3.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling backtrace v0.3.30 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling unicase v2.4.0 [INFO] [stderr] Compiling owning_ref v0.4.0 [INFO] [stderr] Compiling tokio-trace-core v0.2.0 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling miniz_oxide_c_api v0.2.1 [INFO] [stderr] Compiling crossbeam-utils v0.6.5 [INFO] [stderr] Compiling try_from v0.3.2 [INFO] [stderr] Compiling openssl-sys v0.9.47 [INFO] [stderr] Compiling regex-syntax v0.6.7 [INFO] [stderr] Compiling miniz_oxide v0.2.1 [INFO] [stderr] Compiling walkdir v2.2.8 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling im v12.3.4 [INFO] [stderr] Compiling sentry v0.15.5 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling bstr v0.1.4 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling crossbeam-channel v0.3.8 [INFO] [stderr] Compiling sized-chunks v0.1.3 [INFO] [stderr] Compiling tokio-sync v0.1.6 [INFO] [stderr] Compiling tokio-executor v0.1.7 [INFO] [stderr] Compiling want v0.0.6 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling filetime v0.2.5 [INFO] [stderr] Compiling hostname v0.1.5 [INFO] [stderr] Compiling uname v0.1.1 [INFO] [stderr] Compiling crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling mime v0.3.13 [INFO] [stderr] Compiling tokio-timer v0.2.11 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling inotify v0.6.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling cookie v0.12.0 [INFO] [stderr] Compiling flate2 v1.0.7 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling string v0.2.0 [INFO] [stderr] Compiling tokio-buf v0.1.1 [INFO] [stderr] Compiling http v0.1.17 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling mio-extras v2.0.5 [INFO] [stderr] Compiling tokio-threadpool v0.1.14 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling notify v4.0.12 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling tokio v0.1.21 [INFO] [stderr] Compiling h2 v0.1.23 [INFO] [stderr] Compiling http-body v0.1.0 [INFO] [stderr] Compiling publicsuffix v1.5.2 [INFO] [stderr] Compiling env_logger v0.6.1 [INFO] [stderr] Compiling globset v0.4.3 [INFO] [stderr] Compiling ignore v0.4.7 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling hyper v0.12.30 [INFO] [stderr] Compiling hyper-tls v0.3.2 [INFO] [stderr] Compiling serde_json v1.0.39 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling url_serde v0.2.0 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling serde_urlencoded v0.5.5 [INFO] [stderr] Compiling debugid v0.4.0 [INFO] [stderr] Compiling cookie_store v0.7.0 [INFO] [stderr] Compiling sentry-types v0.11.0 [INFO] [stderr] Compiling reqwest v0.9.18 [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 [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 [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 [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 4m 19s [INFO] running `"docker" "inspect" "75f49f303ac75d204c7e9328ef44cf9832a59e6d3bca5a08d448a99cd5764655"` [INFO] running `"docker" "rm" "-f" "75f49f303ac75d204c7e9328ef44cf9832a59e6d3bca5a08d448a99cd5764655"` [INFO] [stdout] 75f49f303ac75d204c7e9328ef44cf9832a59e6d3bca5a08d448a99cd5764655 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 5b21b11e9b244ea5b0078f9e261661d69da04efefc95cf28ca210b4440104e5c [INFO] running `"docker" "start" "-a" "5b21b11e9b244ea5b0078f9e261661d69da04efefc95cf28ca210b4440104e5c"` [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 [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 [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 [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 6.36s [INFO] running `"docker" "inspect" "5b21b11e9b244ea5b0078f9e261661d69da04efefc95cf28ca210b4440104e5c"` [INFO] running `"docker" "rm" "-f" "5b21b11e9b244ea5b0078f9e261661d69da04efefc95cf28ca210b4440104e5c"` [INFO] [stdout] 5b21b11e9b244ea5b0078f9e261661d69da04efefc95cf28ca210b4440104e5c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen"` [INFO] [stdout] 2c658db587cb0e1fb41cfca912dd3b7b60e1e182fa14b35c496a93423689cab2 [INFO] running `"docker" "start" "-a" "2c658db587cb0e1fb41cfca912dd3b7b60e1e182fa14b35c496a93423689cab2"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.39s [INFO] [stderr] Running /opt/crater/target/debug/deps/sync_dir-32d7445617fd4920 [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" "2c658db587cb0e1fb41cfca912dd3b7b60e1e182fa14b35c496a93423689cab2"` [INFO] running `"docker" "rm" "-f" "2c658db587cb0e1fb41cfca912dd3b7b60e1e182fa14b35c496a93423689cab2"` [INFO] [stdout] 2c658db587cb0e1fb41cfca912dd3b7b60e1e182fa14b35c496a93423689cab2