[INFO] updating cached repository https://github.com/HristoKolev/sync-dir
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bdbacd016edb41d6cf6755d1c294d6d9f5f3c059
[INFO] testing HristoKolev/sync-dir against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FHristoKolev%2Fsync-dir" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HristoKolev/sync-dir on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/HristoKolev/sync-dir
[INFO] finished tweaking git repo https://github.com/HristoKolev/sync-dir
[INFO] tweaked toml for git repo https://github.com/HristoKolev/sync-dir written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/HristoKolev/sync-dir already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 8d5ce9fe260f489c6a65686815c3ded2512ed5ed4fe9ddf3624f87b22882f8c5
[INFO] running `"docker" "start" "-a" "8d5ce9fe260f489c6a65686815c3ded2512ed5ed4fe9ddf3624f87b22882f8c5"`
[INFO] [stderr]    Compiling openssl-src v111.3.0+1.1.1c
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling uname v0.1.1
[INFO] [stderr]    Compiling filetime v0.2.5
[INFO] [stderr]    Compiling bstr v0.1.4
[INFO] [stderr]    Compiling sentry v0.15.5
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling im v12.3.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling h2 v0.1.23
[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 flate2 v1.0.7
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling notify v4.0.12
[INFO] [stderr]    Compiling globset v0.4.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling ignore v0.4.7
[INFO] [stderr]    Compiling tokio v0.1.21
[INFO] [stderr]    Compiling hyper v0.12.30
[INFO] [stderr]    Compiling debugid v0.4.0
[INFO] [stderr]    Compiling sentry-types v0.11.0
[INFO] [stderr]    Compiling openssl v0.10.23
[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 sync-dir v0.1.6 (/opt/rustwide/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 2m 26s
[INFO] running `"docker" "inspect" "8d5ce9fe260f489c6a65686815c3ded2512ed5ed4fe9ddf3624f87b22882f8c5"`
[INFO] running `"docker" "rm" "-f" "8d5ce9fe260f489c6a65686815c3ded2512ed5ed4fe9ddf3624f87b22882f8c5"`
[INFO] [stdout] 8d5ce9fe260f489c6a65686815c3ded2512ed5ed4fe9ddf3624f87b22882f8c5
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 476a0e86df15c341da74cad1a9fbf3c79e4f4206d5a816bcd21620b9390bc2c8
[INFO] running `"docker" "start" "-a" "476a0e86df15c341da74cad1a9fbf3c79e4f4206d5a816bcd21620b9390bc2c8"`
[INFO] [stderr]    Compiling sync-dir v0.1.6 (/opt/rustwide/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 9.90s
[INFO] running `"docker" "inspect" "476a0e86df15c341da74cad1a9fbf3c79e4f4206d5a816bcd21620b9390bc2c8"`
[INFO] running `"docker" "rm" "-f" "476a0e86df15c341da74cad1a9fbf3c79e4f4206d5a816bcd21620b9390bc2c8"`
[INFO] [stdout] 476a0e86df15c341da74cad1a9fbf3c79e4f4206d5a816bcd21620b9390bc2c8
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 0eaba9426896d1fc3b9e43d42dd40a2e6836fc510178384c3b29cef5c7a20344
[INFO] running `"docker" "start" "-a" "0eaba9426896d1fc3b9e43d42dd40a2e6836fc510178384c3b29cef5c7a20344"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sync_dir-3472a076afd24f44
[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" "0eaba9426896d1fc3b9e43d42dd40a2e6836fc510178384c3b29cef5c7a20344"`
[INFO] running `"docker" "rm" "-f" "0eaba9426896d1fc3b9e43d42dd40a2e6836fc510178384c3b29cef5c7a20344"`
[INFO] [stdout] 0eaba9426896d1fc3b9e43d42dd40a2e6836fc510178384c3b29cef5c7a20344