Dec 12 20:37:15.088 INFO testing yagince/programming-rust against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 12 20:37:15.088 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 20:37:15.481 INFO [stdout] 4b792330a544be55ac7824505983dfaf63f73586925abe5fcbf7faaecfee15db
Dec 12 20:37:15.483 INFO running `"docker" "start" "-a" "4b792330a544be55ac7824505983dfaf63f73586925abe5fcbf7faaecfee15db"`
Dec 12 20:37:16.934 INFO [stderr] usermod: no changes
Dec 12 20:37:16.934 INFO [stderr]    Compiling samples v0.1.0 (/source)
Dec 12 20:37:17.291 INFO [stderr] warning: unused variable: `a_2`
Dec 12 20:37:17.291 INFO [stderr]  --> src/bin/4_3_copy.rs:6:9
Dec 12 20:37:17.291 INFO [stderr]   |
Dec 12 20:37:17.291 INFO [stderr] 6 |     let a_2 = a;
Dec 12 20:37:17.291 INFO [stderr]   |         ^^^ help: consider using `_a_2` instead
Dec 12 20:37:17.303 INFO [stderr]   |
Dec 12 20:37:17.303 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 20:37:17.303 INFO [stderr] 
Dec 12 20:37:17.357 INFO [stderr] warning: unused import: `std::io::Result`
Dec 12 20:37:17.357 INFO [stderr]  --> src/bin/6_4_1_if_let.rs:2:5
Dec 12 20:37:17.357 INFO [stderr]   |
Dec 12 20:37:17.357 INFO [stderr] 2 | use std::io::Result;
Dec 12 20:37:17.357 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 12 20:37:17.357 INFO [stderr]   |
Dec 12 20:37:17.357 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 20:37:17.357 INFO [stderr] 
Dec 12 20:37:17.551 INFO [stderr] warning: unused variable: `t`
Dec 12 20:37:17.551 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:9:9
Dec 12 20:37:17.551 INFO [stderr]   |
Dec 12 20:37:17.551 INFO [stderr] 9 |     let t = s.clone(); // cloneすると参照カウントがインクリメントされるが実際はコピーされない
Dec 12 20:37:17.551 INFO [stderr]   |         ^ help: consider using `_t` instead
Dec 12 20:37:17.551 INFO [stderr]   |
Dec 12 20:37:17.551 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 20:37:17.551 INFO [stderr] 
Dec 12 20:37:17.552 INFO [stderr] warning: unused variable: `u`
Dec 12 20:37:17.552 INFO [stderr]   --> src/bin/4_4_rc_arc.rs:10:9
Dec 12 20:37:17.552 INFO [stderr]    |
Dec 12 20:37:17.552 INFO [stderr] 10 |     let u = s.clone();
Dec 12 20:37:17.552 INFO [stderr]    |         ^ help: consider using `_u` instead
Dec 12 20:37:17.552 INFO [stderr] 
Dec 12 20:37:17.557 INFO [stderr] warning: variable does not need to be mutable
Dec 12 20:37:17.557 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:7:9
Dec 12 20:37:17.557 INFO [stderr]   |
Dec 12 20:37:17.557 INFO [stderr] 7 |     let mut s = Rc::new("hoge".to_string());
Dec 12 20:37:17.557 INFO [stderr]   |         ----^
Dec 12 20:37:17.557 INFO [stderr]   |         |
Dec 12 20:37:17.557 INFO [stderr]   |         help: remove this `mut`
Dec 12 20:37:17.557 INFO [stderr]   |
Dec 12 20:37:17.557 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 12 20:37:17.557 INFO [stderr] 
Dec 12 20:37:17.575 INFO [stderr] warning: unused variable: `aside`
Dec 12 20:37:17.575 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:11:9
Dec 12 20:37:17.575 INFO [stderr]    |
Dec 12 20:37:17.575 INFO [stderr] 11 |     let aside = v;
Dec 12 20:37:17.575 INFO [stderr]    |         ^^^^^ help: consider using `_aside` instead
Dec 12 20:37:17.575 INFO [stderr]    |
Dec 12 20:37:17.575 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 20:37:17.575 INFO [stderr] 
Dec 12 20:37:17.575 INFO [stderr] warning: unused variable: `r1`
Dec 12 20:37:17.575 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:28:9
Dec 12 20:37:17.575 INFO [stderr]    |
Dec 12 20:37:17.575 INFO [stderr] 28 |     let r1 = &mut r.1; // 可変参照から可変参照の再借用は出来る
Dec 12 20:37:17.575 INFO [stderr]    |         ^^ help: consider using `_r1` instead
Dec 12 20:37:17.575 INFO [stderr] 
Dec 12 20:37:19.451 INFO [stderr] warning: field is never used: `y`
Dec 12 20:37:19.451 INFO [stderr]  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Dec 12 20:37:19.451 INFO [stderr]   |
Dec 12 20:37:19.451 INFO [stderr] 3 |     y: &'b i32,
Dec 12 20:37:19.451 INFO [stderr]   |     ^^^^^^^^^^
Dec 12 20:37:19.451 INFO [stderr]   |
Dec 12 20:37:19.451 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 20:37:19.451 INFO [stderr] 
Dec 12 20:37:20.403 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.55s
Dec 12 20:37:20.407 INFO [stderr] su: No module specific data is present
Dec 12 20:37:21.340 INFO running `"docker" "inspect" "4b792330a544be55ac7824505983dfaf63f73586925abe5fcbf7faaecfee15db"`
Dec 12 20:37:21.715 INFO running `"docker" "rm" "-f" "4b792330a544be55ac7824505983dfaf63f73586925abe5fcbf7faaecfee15db"`
Dec 12 20:37:21.940 INFO [stdout] 4b792330a544be55ac7824505983dfaf63f73586925abe5fcbf7faaecfee15db
Dec 12 20:37:21.949 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 20:37:22.438 INFO [stdout] e25ccf4c030e3b1751b0eb0d33360349659df11e91fc2e19b2e282c698053196
Dec 12 20:37:22.439 INFO running `"docker" "start" "-a" "e25ccf4c030e3b1751b0eb0d33360349659df11e91fc2e19b2e282c698053196"`
Dec 12 20:37:23.690 INFO [stderr] usermod: no changes
Dec 12 20:37:23.770 INFO [stderr]    Compiling samples v0.1.0 (/source)
Dec 12 20:37:24.177 INFO [stderr] warning: field is never used: `y`
Dec 12 20:37:24.177 INFO [stderr]  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Dec 12 20:37:24.177 INFO [stderr]   |
Dec 12 20:37:24.177 INFO [stderr] 3 |     y: &'b i32,
Dec 12 20:37:24.177 INFO [stderr]   |     ^^^^^^^^^^
Dec 12 20:37:24.177 INFO [stderr]   |
Dec 12 20:37:24.177 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 20:37:24.177 INFO [stderr] 
Dec 12 20:37:24.569 INFO [stderr] warning: unused variable: `aside`
Dec 12 20:37:24.569 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:11:9
Dec 12 20:37:24.569 INFO [stderr]    |
Dec 12 20:37:24.569 INFO [stderr] 11 |     let aside = v;
Dec 12 20:37:24.569 INFO [stderr]    |         ^^^^^ help: consider using `_aside` instead
Dec 12 20:37:24.569 INFO [stderr]    |
Dec 12 20:37:24.569 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 20:37:24.569 INFO [stderr] 
Dec 12 20:37:24.569 INFO [stderr] warning: unused variable: `r1`
Dec 12 20:37:24.569 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:28:9
Dec 12 20:37:24.569 INFO [stderr]    |
Dec 12 20:37:24.569 INFO [stderr] 28 |     let r1 = &mut r.1; // 可変参照から可変参照の再借用は出来る
Dec 12 20:37:24.569 INFO [stderr]    |         ^^ help: consider using `_r1` instead
Dec 12 20:37:24.569 INFO [stderr] 
Dec 12 20:37:24.799 INFO [stderr] warning: unused variable: `a_2`
Dec 12 20:37:24.799 INFO [stderr]  --> src/bin/4_3_copy.rs:6:9
Dec 12 20:37:24.799 INFO [stderr]   |
Dec 12 20:37:24.799 INFO [stderr] 6 |     let a_2 = a;
Dec 12 20:37:24.799 INFO [stderr]   |         ^^^ help: consider using `_a_2` instead
Dec 12 20:37:24.799 INFO [stderr]   |
Dec 12 20:37:24.799 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 20:37:24.799 INFO [stderr] 
Dec 12 20:37:25.824 INFO [stderr] warning: unused import: `std::io::Result`
Dec 12 20:37:25.824 INFO [stderr]  --> src/bin/6_4_1_if_let.rs:2:5
Dec 12 20:37:25.824 INFO [stderr]   |
Dec 12 20:37:25.824 INFO [stderr] 2 | use std::io::Result;
Dec 12 20:37:25.824 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 12 20:37:25.824 INFO [stderr]   |
Dec 12 20:37:25.824 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 20:37:25.824 INFO [stderr] 
Dec 12 20:37:26.896 INFO [stderr] warning: unused variable: `t`
Dec 12 20:37:26.897 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:9:9
Dec 12 20:37:26.897 INFO [stderr]   |
Dec 12 20:37:26.897 INFO [stderr] 9 |     let t = s.clone(); // cloneすると参照カウントがインクリメントされるが実際はコピーされない
Dec 12 20:37:26.897 INFO [stderr]   |         ^ help: consider using `_t` instead
Dec 12 20:37:26.898 INFO [stderr]   |
Dec 12 20:37:26.898 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 20:37:26.898 INFO [stderr] 
Dec 12 20:37:26.898 INFO [stderr] warning: unused variable: `u`
Dec 12 20:37:26.898 INFO [stderr]   --> src/bin/4_4_rc_arc.rs:10:9
Dec 12 20:37:26.898 INFO [stderr]    |
Dec 12 20:37:26.898 INFO [stderr] 10 |     let u = s.clone();
Dec 12 20:37:26.898 INFO [stderr]    |         ^ help: consider using `_u` instead
Dec 12 20:37:26.903 INFO [stderr] 
Dec 12 20:37:26.934 INFO [stderr] warning: variable does not need to be mutable
Dec 12 20:37:26.939 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:7:9
Dec 12 20:37:26.939 INFO [stderr]   |
Dec 12 20:37:26.939 INFO [stderr] 7 |     let mut s = Rc::new("hoge".to_string());
Dec 12 20:37:26.939 INFO [stderr]   |         ----^
Dec 12 20:37:26.939 INFO [stderr]   |         |
Dec 12 20:37:26.940 INFO [stderr]   |         help: remove this `mut`
Dec 12 20:37:26.940 INFO [stderr]   |
Dec 12 20:37:26.943 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 12 20:37:26.943 INFO [stderr] 
Dec 12 20:37:27.503 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.81s
Dec 12 20:37:27.503 INFO [stderr] su: No module specific data is present
Dec 12 20:37:28.239 INFO running `"docker" "inspect" "e25ccf4c030e3b1751b0eb0d33360349659df11e91fc2e19b2e282c698053196"`
Dec 12 20:37:28.509 INFO running `"docker" "rm" "-f" "e25ccf4c030e3b1751b0eb0d33360349659df11e91fc2e19b2e282c698053196"`
Dec 12 20:37:28.874 INFO [stdout] e25ccf4c030e3b1751b0eb0d33360349659df11e91fc2e19b2e282c698053196
Dec 12 20:37:28.883 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 20:37:29.335 INFO [stdout] ea8e5792093f4b661919867da9a25bef96b4cfa0c5fb4a947358e6dc573073b2
Dec 12 20:37:29.337 INFO running `"docker" "start" "-a" "ea8e5792093f4b661919867da9a25bef96b4cfa0c5fb4a947358e6dc573073b2"`
Dec 12 20:37:31.698 INFO [stderr] usermod: no changes
Dec 12 20:37:31.768 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 12 20:37:31.769 INFO [stderr]      Running /target/debug/deps/4_3_copy-bccccaf1cb6b7aa2
Dec 12 20:37:31.776 INFO [stdout] 
Dec 12 20:37:31.776 INFO [stdout] running 0 tests
Dec 12 20:37:31.776 INFO [stdout] 
Dec 12 20:37:31.776 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 20:37:31.776 INFO [stdout] 
Dec 12 20:37:31.777 INFO [stderr]      Running /target/debug/deps/4_4_rc_arc-6d05a56527c8e26a
Dec 12 20:37:31.783 INFO [stdout] 
Dec 12 20:37:31.783 INFO [stdout] running 0 tests
Dec 12 20:37:31.783 INFO [stdout] 
Dec 12 20:37:31.783 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 20:37:31.783 INFO [stdout] 
Dec 12 20:37:31.787 INFO [stderr]      Running /target/debug/deps/5_2_2_references_static-77ff0ef2b6214746
Dec 12 20:37:31.795 INFO [stdout] 
Dec 12 20:37:31.795 INFO [stdout] running 0 tests
Dec 12 20:37:31.795 INFO [stdout] 
Dec 12 20:37:31.795 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 20:37:31.795 INFO [stdout] 
Dec 12 20:37:31.807 INFO [stderr]      Running /target/debug/deps/5_2_4_return_references-cea700e649f3e941
Dec 12 20:37:31.815 INFO [stdout] 
Dec 12 20:37:31.815 INFO [stdout] running 0 tests
Dec 12 20:37:31.815 INFO [stdout] 
Dec 12 20:37:31.815 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 20:37:31.815 INFO [stdout] 
Dec 12 20:37:31.815 INFO [stdout] 
Dec 12 20:37:31.815 INFO [stdout] running 0 tests
Dec 12 20:37:31.815 INFO [stdout] 
Dec 12 20:37:31.815 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 20:37:31.815 INFO [stdout] 
Dec 12 20:37:31.815 INFO [stdout] 
Dec 12 20:37:31.815 INFO [stdout] running 0 tests
Dec 12 20:37:31.815 INFO [stdout] 
Dec 12 20:37:31.815 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 20:37:31.815 INFO [stdout] 
Dec 12 20:37:31.815 INFO [stderr]      Running /target/debug/deps/5_2_6_lifetime_parameter-6d18dc35401f5642
Dec 12 20:37:31.815 INFO [stderr]      Running /target/debug/deps/5_2_7_self_lifetime-b614af30bd54a70c
Dec 12 20:37:31.815 INFO [stderr]      Running /target/debug/deps/5_3_share_refenrence-bf78e5094f2318c9
Dec 12 20:37:31.823 INFO [stdout] 
Dec 12 20:37:31.823 INFO [stdout] running 0 tests
Dec 12 20:37:31.823 INFO [stdout] 
Dec 12 20:37:31.823 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 20:37:31.823 INFO [stdout] 
Dec 12 20:37:31.823 INFO [stdout] 
Dec 12 20:37:31.823 INFO [stdout] running 0 tests
Dec 12 20:37:31.823 INFO [stdout] 
Dec 12 20:37:31.823 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 20:37:31.823 INFO [stdout] 
Dec 12 20:37:31.823 INFO [stdout] 
Dec 12 20:37:31.823 INFO [stdout] running 0 tests
Dec 12 20:37:31.823 INFO [stdout] 
Dec 12 20:37:31.823 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 20:37:31.823 INFO [stdout] 
Dec 12 20:37:31.823 INFO [stderr]      Running /target/debug/deps/6_13_cast-585559d98c8278fe
Dec 12 20:37:31.823 INFO [stderr]      Running /target/debug/deps/6_4_1_if_let-db8bf532a315d490
Dec 12 20:37:31.823 INFO [stderr]      Running /target/debug/deps/6_5_loop-00e5232b699c2136
Dec 12 20:37:31.855 INFO [stdout] 
Dec 12 20:37:31.855 INFO [stdout] running 0 tests
Dec 12 20:37:31.855 INFO [stdout] 
Dec 12 20:37:31.855 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 20:37:31.855 INFO [stdout] 
Dec 12 20:37:31.855 INFO [stderr]      Running /target/debug/deps/6_7_loop-25c98f140e632cbd
Dec 12 20:37:31.859 INFO [stdout] 
Dec 12 20:37:31.859 INFO [stdout] running 0 tests
Dec 12 20:37:31.859 INFO [stdout] 
Dec 12 20:37:31.859 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 20:37:31.859 INFO [stdout] 
Dec 12 20:37:31.859 INFO [stderr]      Running /target/debug/deps/samples-0df81009753d1837
Dec 12 20:37:31.860 INFO [stdout] 
Dec 12 20:37:31.860 INFO [stdout] running 0 tests
Dec 12 20:37:31.860 INFO [stdout] 
Dec 12 20:37:31.860 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 20:37:31.860 INFO [stdout] 
Dec 12 20:37:31.867 INFO [stderr] su: No module specific data is present
Dec 12 20:37:32.677 INFO running `"docker" "inspect" "ea8e5792093f4b661919867da9a25bef96b4cfa0c5fb4a947358e6dc573073b2"`
Dec 12 20:37:32.905 INFO running `"docker" "rm" "-f" "ea8e5792093f4b661919867da9a25bef96b4cfa0c5fb4a947358e6dc573073b2"`
Dec 12 20:37:33.207 INFO [stdout] ea8e5792093f4b661919867da9a25bef96b4cfa0c5fb4a947358e6dc573073b2