[INFO] updating cached repository wecohere/loom
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wecohere/loom
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wecohere/loom" "work/ex/beta-1.38-1/sources/1.37.0/gh/wecohere/loom"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/wecohere/loom'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wecohere/loom" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wecohere/loom"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wecohere/loom'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ac6bbf01272cb7b7ff9fa1a41a4e9d21dc1fd099
[INFO] sha for GitHub repo wecohere/loom: ac6bbf01272cb7b7ff9fa1a41a4e9d21dc1fd099
[INFO] validating manifest of wecohere/loom 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 wecohere/loom 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 wecohere/loom
[INFO] finished frobbing wecohere/loom
[INFO] frobbed toml for wecohere/loom written to work/ex/beta-1.38-1/sources/1.37.0/gh/wecohere/loom/Cargo.toml
[INFO] started frobbing wecohere/loom
[INFO] finished frobbing wecohere/loom
[INFO] frobbed toml for wecohere/loom written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wecohere/loom/Cargo.toml
[INFO] crate wecohere/loom 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 wecohere/loom 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/wecohere/loom:/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] 70946cef28b1f872f5696ec48e75be4ea792150d4d1c202ebd130ae89ea3e954
[INFO] running `"docker" "start" "-a" "70946cef28b1f872f5696ec48e75be4ea792150d4d1c202ebd130ae89ea3e954"`
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling tokio-io v0.1.4
[INFO] [stderr]    Compiling mio-uds v0.6.4
[INFO] [stderr]    Compiling tokio-core v0.1.12
[INFO] [stderr]    Compiling tokio-signal v0.1.3
[INFO] [stderr]    Compiling tokio-process v0.1.5
[INFO] [stderr]    Compiling loom v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner/child_with_streams.rs:14:29
[INFO] [stderr]    |
[INFO] [stderr] 14 |     exit_status: Option<Box<Future<Item = ExitStatus, Error = io::Error>>>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = ExitStatus, Error = io::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner/child_with_streams.rs:39:54
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn exit_status(&mut self) -> &mut Option<Box<Future<Item = ExitStatus, Error = io::Error>>> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = ExitStatus, Error = io::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]   --> src/runner/child_with_streams.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     name: &'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.05s
[INFO] running `"docker" "inspect" "70946cef28b1f872f5696ec48e75be4ea792150d4d1c202ebd130ae89ea3e954"`
[INFO] running `"docker" "rm" "-f" "70946cef28b1f872f5696ec48e75be4ea792150d4d1c202ebd130ae89ea3e954"`
[INFO] [stdout] 70946cef28b1f872f5696ec48e75be4ea792150d4d1c202ebd130ae89ea3e954
[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/wecohere/loom:/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] e8181b22042ec26134737feaa835f9c9faf9714bc494ddc761792e90ac0f3552
[INFO] running `"docker" "start" "-a" "e8181b22042ec26134737feaa835f9c9faf9714bc494ddc761792e90ac0f3552"`
[INFO] [stderr]    Compiling loom v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner/child_with_streams.rs:14:29
[INFO] [stderr]    |
[INFO] [stderr] 14 |     exit_status: Option<Box<Future<Item = ExitStatus, Error = io::Error>>>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = ExitStatus, Error = io::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner/child_with_streams.rs:39:54
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn exit_status(&mut self) -> &mut Option<Box<Future<Item = ExitStatus, Error = io::Error>>> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = ExitStatus, Error = io::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]   --> src/runner/child_with_streams.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     name: &'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `"docker" "inspect" "e8181b22042ec26134737feaa835f9c9faf9714bc494ddc761792e90ac0f3552"`
[INFO] running `"docker" "rm" "-f" "e8181b22042ec26134737feaa835f9c9faf9714bc494ddc761792e90ac0f3552"`
[INFO] [stdout] e8181b22042ec26134737feaa835f9c9faf9714bc494ddc761792e90ac0f3552
[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/wecohere/loom:/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] f86607e076a8bb28d7dee71ef4e9e00d5e98dc93e63de7e6f14b47da38d09fa6
[INFO] running `"docker" "start" "-a" "f86607e076a8bb28d7dee71ef4e9e00d5e98dc93e63de7e6f14b47da38d09fa6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/loom-89bb4c8b76188683
[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] [stderr]      Running /opt/crater/target/debug/deps/loom-f859b21f3c95be6c
[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] [stderr]    Doc-tests loom
[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" "f86607e076a8bb28d7dee71ef4e9e00d5e98dc93e63de7e6f14b47da38d09fa6"`
[INFO] running `"docker" "rm" "-f" "f86607e076a8bb28d7dee71ef4e9e00d5e98dc93e63de7e6f14b47da38d09fa6"`
[INFO] [stdout] f86607e076a8bb28d7dee71ef4e9e00d5e98dc93e63de7e6f14b47da38d09fa6