[INFO] crate smartpool 0.3.2 is already in cache
[INFO] extracting crate smartpool 0.3.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/smartpool/0.3.2
[INFO] extracting crate smartpool 0.3.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/smartpool/0.3.2
[INFO] validating manifest of smartpool-0.3.2 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 smartpool-0.3.2 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 smartpool-0.3.2
[INFO] finished frobbing smartpool-0.3.2
[INFO] frobbed toml for smartpool-0.3.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/smartpool/0.3.2/Cargo.toml
[INFO] started frobbing smartpool-0.3.2
[INFO] finished frobbing smartpool-0.3.2
[INFO] frobbed toml for smartpool-0.3.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/smartpool/0.3.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing smartpool-0.3.2 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/reg/smartpool/0.3.2:/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] cb8d29172e8c2238c4cad8ae0dadeda2f9107f9124c6c6237bf851638dca3f2f
[INFO] running `"docker" "start" "-a" "cb8d29172e8c2238c4cad8ae0dadeda2f9107f9124c6c6237bf851638dca3f2f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling monitor v0.1.0
[INFO] [stderr]    Compiling atomic v0.4.5
[INFO] [stderr]    Compiling through v0.1.0
[INFO] [stderr]    Compiling stopwatch v0.0.7
[INFO] [stderr]    Compiling smallqueue v0.1.0
[INFO] [stderr]    Compiling atomicmonitor v0.1.2
[INFO] [stderr]    Compiling smartpool v0.3.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/channel/sdf.rs:36:24
[INFO] [stderr]    |
[INFO] [stderr] 36 |             Some((key, mut queue)) => {
[INFO] [stderr]    |                        ----^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/channel/sdf.rs:64:18
[INFO] [stderr]    |
[INFO] [stderr] 64 |             Some(mut queue) => {
[INFO] [stderr]    |                  ----^^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `"docker" "inspect" "cb8d29172e8c2238c4cad8ae0dadeda2f9107f9124c6c6237bf851638dca3f2f"`
[INFO] running `"docker" "rm" "-f" "cb8d29172e8c2238c4cad8ae0dadeda2f9107f9124c6c6237bf851638dca3f2f"`
[INFO] [stdout] cb8d29172e8c2238c4cad8ae0dadeda2f9107f9124c6c6237bf851638dca3f2f
[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/reg/smartpool/0.3.2:/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] 6d68353714d0e86e17a2375864b9d1c25ccecb75e390ade4d2d7eacf0a1f07f8
[INFO] running `"docker" "start" "-a" "6d68353714d0e86e17a2375864b9d1c25ccecb75e390ade4d2d7eacf0a1f07f8"`
[INFO] [stderr]    Compiling pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling smartpool v0.3.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/channel/sdf.rs:36:24
[INFO] [stderr]    |
[INFO] [stderr] 36 |             Some((key, mut queue)) => {
[INFO] [stderr]    |                        ----^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/channel/sdf.rs:64:18
[INFO] [stderr]    |
[INFO] [stderr] 64 |             Some(mut queue) => {
[INFO] [stderr]    |                  ----^^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.02s
[INFO] running `"docker" "inspect" "6d68353714d0e86e17a2375864b9d1c25ccecb75e390ade4d2d7eacf0a1f07f8"`
[INFO] running `"docker" "rm" "-f" "6d68353714d0e86e17a2375864b9d1c25ccecb75e390ade4d2d7eacf0a1f07f8"`
[INFO] [stdout] 6d68353714d0e86e17a2375864b9d1c25ccecb75e390ade4d2d7eacf0a1f07f8
[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/reg/smartpool/0.3.2:/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] 29e4a697b4696c2e594c027baa79b8f8ba8a3a633c107eceaed27ec55e4d1eed
[INFO] running `"docker" "start" "-a" "29e4a697b4696c2e594c027baa79b8f8ba8a3a633c107eceaed27ec55e4d1eed"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/smartpool-95caef33ad3a07d0
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::simple_threadpool_test ... ok
[INFO] [stdout] test test::fail_on_too_many_bits ... ok
[INFO] [stdout] test test::push_future_test ... ok
[INFO] [stdout] test test::simple_threadpool_test_round_robin ... ok
[INFO] [stdout] test test::timer_and_yield_test ... ok
[INFO] [stdout] test test::scoped_op_test ... ok
[INFO] [stdout] test test::close_test ... ok
[INFO] [stdout] test test::test_slicing ... ok
[INFO] [stdout] test test::multi_level_test ... ok
[INFO] [stdout] test channel::test::fifo_test ... ok
[INFO] [stdout] test channel::test::sdf_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests smartpool
[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" "29e4a697b4696c2e594c027baa79b8f8ba8a3a633c107eceaed27ec55e4d1eed"`
[INFO] running `"docker" "rm" "-f" "29e4a697b4696c2e594c027baa79b8f8ba8a3a633c107eceaed27ec55e4d1eed"`
[INFO] [stdout] 29e4a697b4696c2e594c027baa79b8f8ba8a3a633c107eceaed27ec55e4d1eed