[INFO] updating cached repository HuangChaoWH/rust_multithread_with_pool
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/HuangChaoWH/rust_multithread_with_pool
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/HuangChaoWH/rust_multithread_with_pool" "work/ex/beta-1.38-1/sources/1.37.0/gh/HuangChaoWH/rust_multithread_with_pool"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/HuangChaoWH/rust_multithread_with_pool'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/HuangChaoWH/rust_multithread_with_pool" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/HuangChaoWH/rust_multithread_with_pool"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/HuangChaoWH/rust_multithread_with_pool'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a32014efcb546f8184e4d45deea4d618ac18bcf1
[INFO] sha for GitHub repo HuangChaoWH/rust_multithread_with_pool: a32014efcb546f8184e4d45deea4d618ac18bcf1
[INFO] validating manifest of HuangChaoWH/rust_multithread_with_pool 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 HuangChaoWH/rust_multithread_with_pool 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 HuangChaoWH/rust_multithread_with_pool
[INFO] finished frobbing HuangChaoWH/rust_multithread_with_pool
[INFO] frobbed toml for HuangChaoWH/rust_multithread_with_pool written to work/ex/beta-1.38-1/sources/1.37.0/gh/HuangChaoWH/rust_multithread_with_pool/Cargo.toml
[INFO] started frobbing HuangChaoWH/rust_multithread_with_pool
[INFO] finished frobbing HuangChaoWH/rust_multithread_with_pool
[INFO] frobbed toml for HuangChaoWH/rust_multithread_with_pool written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/HuangChaoWH/rust_multithread_with_pool/Cargo.toml
[INFO] crate HuangChaoWH/rust_multithread_with_pool 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing HuangChaoWH/rust_multithread_with_pool 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/HuangChaoWH/rust_multithread_with_pool:/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] 63f7daddeac12b4e2144aaf95a7ab52463b4a8eec49101ad4e2a83837e48eb20
[INFO] running `"docker" "start" "-a" "63f7daddeac12b4e2144aaf95a7ab52463b4a8eec49101ad4e2a83837e48eb20"`
[INFO] [stderr]    Compiling rust_multithread_with_pool v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:25:16
[INFO] [stderr]    |
[INFO] [stderr] 25 | type Job = Box<FnBox + Send + 'static>;
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/bin/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Mutex`
[INFO] [stderr]   --> src/bin/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::sync::Mutex;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `"docker" "inspect" "63f7daddeac12b4e2144aaf95a7ab52463b4a8eec49101ad4e2a83837e48eb20"`
[INFO] running `"docker" "rm" "-f" "63f7daddeac12b4e2144aaf95a7ab52463b4a8eec49101ad4e2a83837e48eb20"`
[INFO] [stdout] 63f7daddeac12b4e2144aaf95a7ab52463b4a8eec49101ad4e2a83837e48eb20
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/HuangChaoWH/rust_multithread_with_pool:/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] f8b7eb9c668054295832ba59d3127dedc1501914b2f6cf1a05e4c4bc75bf07d0
[INFO] running `"docker" "start" "-a" "f8b7eb9c668054295832ba59d3127dedc1501914b2f6cf1a05e4c4bc75bf07d0"`
[INFO] [stderr]    Compiling rust_multithread_with_pool v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:25:16
[INFO] [stderr]    |
[INFO] [stderr] 25 | type Job = Box<FnBox + Send + 'static>;
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/bin/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Mutex`
[INFO] [stderr]   --> src/bin/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::sync::Mutex;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "f8b7eb9c668054295832ba59d3127dedc1501914b2f6cf1a05e4c4bc75bf07d0"`
[INFO] running `"docker" "rm" "-f" "f8b7eb9c668054295832ba59d3127dedc1501914b2f6cf1a05e4c4bc75bf07d0"`
[INFO] [stdout] f8b7eb9c668054295832ba59d3127dedc1501914b2f6cf1a05e4c4bc75bf07d0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/HuangChaoWH/rust_multithread_with_pool:/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] 0150b9ce842833d2518c9978c24a83e78e3d7438a944a04a36862247f175bc19
[INFO] running `"docker" "start" "-a" "0150b9ce842833d2518c9978c24a83e78e3d7438a944a04a36862247f175bc19"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_multithread_with_pool-8e277eb76fa4f788
[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/main-f802f721603fedd9
[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 rust_multithread_with_pool
[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" "0150b9ce842833d2518c9978c24a83e78e3d7438a944a04a36862247f175bc19"`
[INFO] running `"docker" "rm" "-f" "0150b9ce842833d2518c9978c24a83e78e3d7438a944a04a36862247f175bc19"`
[INFO] [stdout] 0150b9ce842833d2518c9978c24a83e78e3d7438a944a04a36862247f175bc19