[INFO] updating cached repository raphychek/Project-parallel-and-reactive-programming
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/raphychek/Project-parallel-and-reactive-programming
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/raphychek/Project-parallel-and-reactive-programming" "work/ex/beta-1.38-1/sources/1.37.0/gh/raphychek/Project-parallel-and-reactive-programming"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/raphychek/Project-parallel-and-reactive-programming'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/raphychek/Project-parallel-and-reactive-programming" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/raphychek/Project-parallel-and-reactive-programming"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/raphychek/Project-parallel-and-reactive-programming'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 26112c485e2c8b9709cce43958ece8c42a70374a
[INFO] sha for GitHub repo raphychek/Project-parallel-and-reactive-programming: 26112c485e2c8b9709cce43958ece8c42a70374a
[INFO] validating manifest of raphychek/Project-parallel-and-reactive-programming 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 raphychek/Project-parallel-and-reactive-programming 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 raphychek/Project-parallel-and-reactive-programming
[INFO] finished frobbing raphychek/Project-parallel-and-reactive-programming
[INFO] frobbed toml for raphychek/Project-parallel-and-reactive-programming written to work/ex/beta-1.38-1/sources/1.37.0/gh/raphychek/Project-parallel-and-reactive-programming/Cargo.toml
[INFO] started frobbing raphychek/Project-parallel-and-reactive-programming
[INFO] finished frobbing raphychek/Project-parallel-and-reactive-programming
[INFO] frobbed toml for raphychek/Project-parallel-and-reactive-programming written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/raphychek/Project-parallel-and-reactive-programming/Cargo.toml
[INFO] crate raphychek/Project-parallel-and-reactive-programming 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 raphychek/Project-parallel-and-reactive-programming against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/raphychek/Project-parallel-and-reactive-programming:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 2be32daac2d621930c31323faa974bea9fbf322fcd1a91e268b2ae27316c0134
[INFO] running `"docker" "start" "-a" "2be32daac2d621930c31323faa974bea9fbf322fcd1a91e268b2ae27316c0134"`
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.0
[INFO] [stderr]    Compiling crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling crossbeam v0.4.1
[INFO] [stderr]    Compiling rrs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parallel/single_use.rs:230:37
[INFO] [stderr]     |
[INFO] [stderr] 230 |                                 let mut tour = Arc::new(Compteur::new(0));
[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/parallel/multiple_uses.rs:353:37
[INFO] [stderr]     |
[INFO] [stderr] 353 |                                 let mut tour = Arc::new(Compteur::new(0));
[INFO] [stderr]     |                                     ----^^^^
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.61s
[INFO] running `"docker" "inspect" "2be32daac2d621930c31323faa974bea9fbf322fcd1a91e268b2ae27316c0134"`
[INFO] running `"docker" "rm" "-f" "2be32daac2d621930c31323faa974bea9fbf322fcd1a91e268b2ae27316c0134"`
[INFO] [stdout] 2be32daac2d621930c31323faa974bea9fbf322fcd1a91e268b2ae27316c0134
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/raphychek/Project-parallel-and-reactive-programming:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1b4ad0879b37c89a3531550aa30b18b37297847510298a07743bc9e31b5eac13
[INFO] running `"docker" "start" "-a" "1b4ad0879b37c89a3531550aa30b18b37297847510298a07743bc9e31b5eac13"`
[INFO] [stderr]    Compiling rrs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parallel/single_use.rs:230:37
[INFO] [stderr]     |
[INFO] [stderr] 230 |                                 let mut tour = Arc::new(Compteur::new(0));
[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/parallel/multiple_uses.rs:353:37
[INFO] [stderr]     |
[INFO] [stderr] 353 |                                 let mut tour = Arc::new(Compteur::new(0));
[INFO] [stderr]     |                                     ----^^^^
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.29s
[INFO] running `"docker" "inspect" "1b4ad0879b37c89a3531550aa30b18b37297847510298a07743bc9e31b5eac13"`
[INFO] running `"docker" "rm" "-f" "1b4ad0879b37c89a3531550aa30b18b37297847510298a07743bc9e31b5eac13"`
[INFO] [stdout] 1b4ad0879b37c89a3531550aa30b18b37297847510298a07743bc9e31b5eac13
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/raphychek/Project-parallel-and-reactive-programming:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] cfd5922f4a0e3863a7db7956e75b6565bd5043ef2f20f8cc7b41392d8542ac39
[INFO] running `"docker" "start" "-a" "cfd5922f4a0e3863a7db7956e75b6565bd5043ef2f20f8cc7b41392d8542ac39"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rrs-3fac59303d92b33b
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::smu_dynamic ... ok
[INFO] [stdout] test tests::demi_additionneur ... ok
[INFO] [stdout] test tests::ssu ... ok
[INFO] [stdout] test tests::smu_static ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rrs
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/api/builder.rs - api::builder::NodeSpec (line 27) ... ignored
[INFO] [stdout] test src/common/task.rs - common::task::StrictTask (line 12) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cfd5922f4a0e3863a7db7956e75b6565bd5043ef2f20f8cc7b41392d8542ac39"`
[INFO] running `"docker" "rm" "-f" "cfd5922f4a0e3863a7db7956e75b6565bd5043ef2f20f8cc7b41392d8542ac39"`
[INFO] [stdout] cfd5922f4a0e3863a7db7956e75b6565bd5043ef2f20f8cc7b41392d8542ac39