[INFO] updating cached repository jeremybobbin/jer-ft [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jeremybobbin/jer-ft [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jeremybobbin/jer-ft" "work/ex/beta-1.38-1/sources/1.37.0/gh/jeremybobbin/jer-ft"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jeremybobbin/jer-ft'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jeremybobbin/jer-ft" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeremybobbin/jer-ft"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeremybobbin/jer-ft'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d6aa978c97e8432067217861c62929a5950bce82 [INFO] sha for GitHub repo jeremybobbin/jer-ft: d6aa978c97e8432067217861c62929a5950bce82 [INFO] validating manifest of jeremybobbin/jer-ft 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 jeremybobbin/jer-ft 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 jeremybobbin/jer-ft [INFO] finished frobbing jeremybobbin/jer-ft [INFO] frobbed toml for jeremybobbin/jer-ft written to work/ex/beta-1.38-1/sources/1.37.0/gh/jeremybobbin/jer-ft/Cargo.toml [INFO] started frobbing jeremybobbin/jer-ft [INFO] finished frobbing jeremybobbin/jer-ft [INFO] frobbed toml for jeremybobbin/jer-ft written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeremybobbin/jer-ft/Cargo.toml [INFO] crate jeremybobbin/jer-ft 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 jeremybobbin/jer-ft 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jeremybobbin/jer-ft:/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] 3c5fdb47621e4e309dbee413d3bed5facd8f16caeda9616e5f3b85beb7f7407c [INFO] running `"docker" "start" "-a" "3c5fdb47621e4e309dbee413d3bed5facd8f16caeda9616e5f3b85beb7f7407c"` [INFO] [stderr] Compiling jerft v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `BufReader`, `JoinHandle`, `TcpListener`, `mpsc`, `self` [INFO] [stderr] --> src/bin/recv.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | self, [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 7 | TcpListener, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 14 | BufReader [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 17 | mpsc, [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 23 | JoinHandle [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/recv.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | let mut file1 = Arc::new(Mutex::new(file)); [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/bin/recv.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | let mut file2 = Arc::clone(&file1); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/recv.rs:50:13 [INFO] [stderr] | [INFO] [stderr] 50 | file.write(&mut buf); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/recv.rs:62:13 [INFO] [stderr] | [INFO] [stderr] 62 | file.write(&mut buf); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/recv.rs:65:5 [INFO] [stderr] | [INFO] [stderr] 65 | t1.join(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/recv.rs:66:5 [INFO] [stderr] | [INFO] [stderr] 66 | t2.join(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused imports: `JoinHandle`, `TcpStream`, `self` [INFO] [stderr] --> src/bin/listen.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | self, [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 8 | TcpStream [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 23 | JoinHandle [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t1` [INFO] [stderr] --> src/bin/listen.rs:50:9 [INFO] [stderr] | [INFO] [stderr] 50 | let t1 = thread::spawn(move || { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_t1` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t2` [INFO] [stderr] --> src/bin/listen.rs:57:9 [INFO] [stderr] | [INFO] [stderr] 57 | let t2 = thread::spawn(move || { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_t2` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.16s [INFO] running `"docker" "inspect" "3c5fdb47621e4e309dbee413d3bed5facd8f16caeda9616e5f3b85beb7f7407c"` [INFO] running `"docker" "rm" "-f" "3c5fdb47621e4e309dbee413d3bed5facd8f16caeda9616e5f3b85beb7f7407c"` [INFO] [stdout] 3c5fdb47621e4e309dbee413d3bed5facd8f16caeda9616e5f3b85beb7f7407c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jeremybobbin/jer-ft:/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] ceaf400eb077e33a2b6d2db9eecd556631a10645b4ceb7b9c841586aba14766d [INFO] running `"docker" "start" "-a" "ceaf400eb077e33a2b6d2db9eecd556631a10645b4ceb7b9c841586aba14766d"` [INFO] [stderr] Compiling jerft v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `JoinHandle`, `TcpStream`, `self` [INFO] [stderr] --> src/bin/listen.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | self, [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 8 | TcpStream [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 23 | JoinHandle [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t1` [INFO] [stderr] --> src/bin/listen.rs:50:9 [INFO] [stderr] | [INFO] [stderr] 50 | let t1 = thread::spawn(move || { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_t1` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t2` [INFO] [stderr] --> src/bin/listen.rs:57:9 [INFO] [stderr] | [INFO] [stderr] 57 | let t2 = thread::spawn(move || { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_t2` [INFO] [stderr] [INFO] [stderr] warning: unused imports: `BufReader`, `JoinHandle`, `TcpListener`, `mpsc`, `self` [INFO] [stderr] --> src/bin/recv.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | self, [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 7 | TcpListener, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 14 | BufReader [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 17 | mpsc, [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 23 | JoinHandle [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/recv.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | let mut file1 = Arc::new(Mutex::new(file)); [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/bin/recv.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | let mut file2 = Arc::clone(&file1); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/recv.rs:50:13 [INFO] [stderr] | [INFO] [stderr] 50 | file.write(&mut buf); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/recv.rs:62:13 [INFO] [stderr] | [INFO] [stderr] 62 | file.write(&mut buf); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/recv.rs:65:5 [INFO] [stderr] | [INFO] [stderr] 65 | t1.join(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/recv.rs:66:5 [INFO] [stderr] | [INFO] [stderr] 66 | t2.join(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.96s [INFO] running `"docker" "inspect" "ceaf400eb077e33a2b6d2db9eecd556631a10645b4ceb7b9c841586aba14766d"` [INFO] running `"docker" "rm" "-f" "ceaf400eb077e33a2b6d2db9eecd556631a10645b4ceb7b9c841586aba14766d"` [INFO] [stdout] ceaf400eb077e33a2b6d2db9eecd556631a10645b4ceb7b9c841586aba14766d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jeremybobbin/jer-ft:/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] d6d402d19e8fd5bc00821678e83cb34b96e3a36d715eb899e5d4aac380ab6e28 [INFO] running `"docker" "start" "-a" "d6d402d19e8fd5bc00821678e83cb34b96e3a36d715eb899e5d4aac380ab6e28"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/listen-31ecc32a8f08d7dd [INFO] [stderr] Running /opt/crater/target/debug/deps/recv-ec8df21e359f3715 [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] [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" "d6d402d19e8fd5bc00821678e83cb34b96e3a36d715eb899e5d4aac380ab6e28"` [INFO] running `"docker" "rm" "-f" "d6d402d19e8fd5bc00821678e83cb34b96e3a36d715eb899e5d4aac380ab6e28"` [INFO] [stdout] d6d402d19e8fd5bc00821678e83cb34b96e3a36d715eb899e5d4aac380ab6e28