[INFO] crate smartpool 0.3.2 is already in cache
[INFO] extracting crate smartpool 0.3.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/smartpool/0.3.2
[INFO] extracting crate smartpool 0.3.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/smartpool/0.3.2
[INFO] validating manifest of smartpool-0.3.2 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 smartpool-0.3.2 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 smartpool-0.3.2
[INFO] finished frobbing smartpool-0.3.2
[INFO] frobbed toml for smartpool-0.3.2 written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/smartpool/0.3.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing smartpool-0.3.2 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 385398e51fe768f00b4e2bbcc458fb083281f0d1420d4dc628ad4e234496a42b
[INFO] running `"docker" "start" "-a" "385398e51fe768f00b4e2bbcc458fb083281f0d1420d4dc628ad4e234496a42b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[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 2.88s
[INFO] running `"docker" "inspect" "385398e51fe768f00b4e2bbcc458fb083281f0d1420d4dc628ad4e234496a42b"`
[INFO] running `"docker" "rm" "-f" "385398e51fe768f00b4e2bbcc458fb083281f0d1420d4dc628ad4e234496a42b"`
[INFO] [stdout] 385398e51fe768f00b4e2bbcc458fb083281f0d1420d4dc628ad4e234496a42b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a6308d3ab39d1851b49adf4f05879c496b73afe43a336e0500e7bed1571e6289
[INFO] running `"docker" "start" "-a" "a6308d3ab39d1851b49adf4f05879c496b73afe43a336e0500e7bed1571e6289"`
[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 8.28s
[INFO] running `"docker" "inspect" "a6308d3ab39d1851b49adf4f05879c496b73afe43a336e0500e7bed1571e6289"`
[INFO] running `"docker" "rm" "-f" "a6308d3ab39d1851b49adf4f05879c496b73afe43a336e0500e7bed1571e6289"`
[INFO] [stdout] a6308d3ab39d1851b49adf4f05879c496b73afe43a336e0500e7bed1571e6289
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 28862fcd6f3eb8a7a1552a7d4e7887ca4b794a2b6305d418f50c4b5262e3f97b
[INFO] running `"docker" "start" "-a" "28862fcd6f3eb8a7a1552a7d4e7887ca4b794a2b6305d418f50c4b5262e3f97b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/smartpool-d38f28291f15e4f0
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::fail_on_too_many_bits ... ok
[INFO] [stdout] test test::simple_threadpool_test_round_robin ... ok
[INFO] [stdout] test test::simple_threadpool_test ... ok
[INFO] [stdout] test test::push_future_test ... 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" "28862fcd6f3eb8a7a1552a7d4e7887ca4b794a2b6305d418f50c4b5262e3f97b"`
[INFO] running `"docker" "rm" "-f" "28862fcd6f3eb8a7a1552a7d4e7887ca4b794a2b6305d418f50c4b5262e3f97b"`
[INFO] [stdout] 28862fcd6f3eb8a7a1552a7d4e7887ca4b794a2b6305d418f50c4b5262e3f97b