[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 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/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 63182ac4d341517da6fbd6f7d3cbbdcf7e3d3b09b70f423c22b6e514e6769eb7 [INFO] running `"docker" "start" "-a" "63182ac4d341517da6fbd6f7d3cbbdcf7e3d3b09b70f423c22b6e514e6769eb7"` [INFO] [stderr] Compiling uname v0.1.1 [INFO] [stderr] Compiling im v12.3.4 [INFO] [stderr] Compiling sentry v0.15.5 [INFO] [stderr] Compiling bstr v0.1.4 [INFO] [stderr] Compiling sized-chunks v0.1.3 [INFO] [stderr] Compiling h2 v0.1.23 [INFO] [stderr] Compiling notify v4.0.12 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [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 cookie_store v0.7.0 [INFO] [stderr] Compiling globset v0.4.3 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling debugid v0.4.0 [INFO] [stderr] Compiling tokio v0.1.21 [INFO] [stderr] Compiling sentry-types v0.11.0 [INFO] [stderr] Compiling ignore v0.4.7 [INFO] [stderr] Compiling hyper v0.12.30 [INFO] [stderr] Compiling hyper-tls v0.3.2 [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 1m 32s [INFO] running `"docker" "inspect" "63182ac4d341517da6fbd6f7d3cbbdcf7e3d3b09b70f423c22b6e514e6769eb7"` [INFO] running `"docker" "rm" "-f" "63182ac4d341517da6fbd6f7d3cbbdcf7e3d3b09b70f423c22b6e514e6769eb7"` [INFO] [stdout] 63182ac4d341517da6fbd6f7d3cbbdcf7e3d3b09b70f423c22b6e514e6769eb7 [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/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] a7d981cf5bf09016e73cfa25ce34864b7a9c42a443b88fc32b0a08eaeddf7682 [INFO] running `"docker" "start" "-a" "a7d981cf5bf09016e73cfa25ce34864b7a9c42a443b88fc32b0a08eaeddf7682"` [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 7.44s [INFO] running `"docker" "inspect" "a7d981cf5bf09016e73cfa25ce34864b7a9c42a443b88fc32b0a08eaeddf7682"` [INFO] running `"docker" "rm" "-f" "a7d981cf5bf09016e73cfa25ce34864b7a9c42a443b88fc32b0a08eaeddf7682"` [INFO] [stdout] a7d981cf5bf09016e73cfa25ce34864b7a9c42a443b88fc32b0a08eaeddf7682 [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/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] f5b9239477358e3b617abfbfe08b5d4aa8d383762fd877df0091a3cfc59d643a [INFO] running `"docker" "start" "-a" "f5b9239477358e3b617abfbfe08b5d4aa8d383762fd877df0091a3cfc59d643a"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running /opt/crater/target/debug/deps/sync_dir-e13319fa77ca8dc7 [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" "f5b9239477358e3b617abfbfe08b5d4aa8d383762fd877df0091a3cfc59d643a"` [INFO] running `"docker" "rm" "-f" "f5b9239477358e3b617abfbfe08b5d4aa8d383762fd877df0091a3cfc59d643a"` [INFO] [stdout] f5b9239477358e3b617abfbfe08b5d4aa8d383762fd877df0091a3cfc59d643a