Nov 16 07:47:31.202 INFO testing yagince/programming-rust against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 07:47:31.204 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 07:47:31.773 INFO [stdout] cd147ba32bc7463d50785fcb09f0a009fe26f3d1ef3518b8b347e9535707ec6c
Nov 16 07:47:31.775 INFO running `"docker" "start" "-a" "cd147ba32bc7463d50785fcb09f0a009fe26f3d1ef3518b8b347e9535707ec6c"`
Nov 16 07:47:34.512 INFO [stderr] usermod: no changes
Nov 16 07:47:34.611 INFO [stderr]    Compiling samples v0.1.0 (/source)
Nov 16 07:47:35.256 INFO [stderr] warning: unused import: `std::io::Result`
Nov 16 07:47:35.256 INFO [stderr]  --> src/bin/6_4_1_if_let.rs:2:5
Nov 16 07:47:35.256 INFO [stderr]   |
Nov 16 07:47:35.256 INFO [stderr] 2 | use std::io::Result;
Nov 16 07:47:35.256 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 16 07:47:35.267 INFO [stderr]   |
Nov 16 07:47:35.267 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 07:47:35.267 INFO [stderr] 
Nov 16 07:47:35.495 INFO [stderr] warning: field is never used: `y`
Nov 16 07:47:35.495 INFO [stderr]  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Nov 16 07:47:35.495 INFO [stderr]   |
Nov 16 07:47:35.495 INFO [stderr] 3 |     y: &'b i32,
Nov 16 07:47:35.495 INFO [stderr]   |     ^^^^^^^^^^
Nov 16 07:47:35.495 INFO [stderr]   |
Nov 16 07:47:35.495 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 07:47:35.495 INFO [stderr] 
Nov 16 07:47:35.527 INFO [stderr] warning: unused variable: `a_2`
Nov 16 07:47:35.527 INFO [stderr]  --> src/bin/4_3_copy.rs:6:9
Nov 16 07:47:35.527 INFO [stderr]   |
Nov 16 07:47:35.527 INFO [stderr] 6 |     let a_2 = a;
Nov 16 07:47:35.527 INFO [stderr]   |         ^^^ help: consider using `_a_2` instead
Nov 16 07:47:35.527 INFO [stderr]   |
Nov 16 07:47:35.528 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 07:47:35.528 INFO [stderr] 
Nov 16 07:47:35.528 INFO [stderr] warning: unused variable: `t`
Nov 16 07:47:35.528 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:9:9
Nov 16 07:47:35.528 INFO [stderr]   |
Nov 16 07:47:35.528 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
Nov 16 07:47:35.528 INFO [stderr]   |         ^ help: consider using `_t` instead
Nov 16 07:47:35.528 INFO [stderr]   |
Nov 16 07:47:35.528 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 07:47:35.528 INFO [stderr] 
Nov 16 07:47:35.528 INFO [stderr] warning: unused variable: `u`
Nov 16 07:47:35.528 INFO [stderr]   --> src/bin/4_4_rc_arc.rs:10:9
Nov 16 07:47:35.528 INFO [stderr]    |
Nov 16 07:47:35.528 INFO [stderr] 10 |     let u = s.clone();
Nov 16 07:47:35.528 INFO [stderr]    |         ^ help: consider using `_u` instead
Nov 16 07:47:35.528 INFO [stderr] 
Nov 16 07:47:35.560 INFO [stderr] warning: variable does not need to be mutable
Nov 16 07:47:35.560 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:7:9
Nov 16 07:47:35.560 INFO [stderr]   |
Nov 16 07:47:35.560 INFO [stderr] 7 |     let mut s = Rc::new("hoge".to_string());
Nov 16 07:47:35.560 INFO [stderr]   |         ----^
Nov 16 07:47:35.560 INFO [stderr]   |         |
Nov 16 07:47:35.560 INFO [stderr]   |         help: remove this `mut`
Nov 16 07:47:35.560 INFO [stderr]   |
Nov 16 07:47:35.560 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 16 07:47:35.560 INFO [stderr] 
Nov 16 07:47:38.934 INFO [stderr] warning: unused variable: `aside`
Nov 16 07:47:38.934 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:11:9
Nov 16 07:47:38.935 INFO [stderr]    |
Nov 16 07:47:38.935 INFO [stderr] 11 |     let aside = v;
Nov 16 07:47:38.935 INFO [stderr]    |         ^^^^^ help: consider using `_aside` instead
Nov 16 07:47:38.935 INFO [stderr]    |
Nov 16 07:47:38.936 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 07:47:38.936 INFO [stderr] 
Nov 16 07:47:38.936 INFO [stderr] warning: unused variable: `r1`
Nov 16 07:47:38.937 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:28:9
Nov 16 07:47:38.937 INFO [stderr]    |
Nov 16 07:47:38.937 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
Nov 16 07:47:38.937 INFO [stderr]    |         ^^ help: consider using `_r1` instead
Nov 16 07:47:38.938 INFO [stderr] 
Nov 16 07:47:40.190 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.62s
Nov 16 07:47:40.194 INFO [stderr] su: No module specific data is present
Nov 16 07:47:41.565 INFO running `"docker" "inspect" "cd147ba32bc7463d50785fcb09f0a009fe26f3d1ef3518b8b347e9535707ec6c"`
Nov 16 07:47:41.971 INFO running `"docker" "rm" "-f" "cd147ba32bc7463d50785fcb09f0a009fe26f3d1ef3518b8b347e9535707ec6c"`
Nov 16 07:47:42.315 INFO [stdout] cd147ba32bc7463d50785fcb09f0a009fe26f3d1ef3518b8b347e9535707ec6c
Nov 16 07:47:42.325 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 07:47:42.984 INFO [stdout] 300f58ced0ae36a47f1546a5c2d424400918585b5f95ea330b135851aa9d8423
Nov 16 07:47:42.986 INFO running `"docker" "start" "-a" "300f58ced0ae36a47f1546a5c2d424400918585b5f95ea330b135851aa9d8423"`
Nov 16 07:47:45.442 INFO [stderr] usermod: no changes
Nov 16 07:47:45.511 INFO [stderr]    Compiling samples v0.1.0 (/source)
Nov 16 07:47:46.163 INFO [stderr] warning: unused import: `std::io::Result`
Nov 16 07:47:46.163 INFO [stderr]  --> src/bin/6_4_1_if_let.rs:2:5
Nov 16 07:47:46.163 INFO [stderr]   |
Nov 16 07:47:46.163 INFO [stderr] 2 | use std::io::Result;
Nov 16 07:47:46.163 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 16 07:47:46.163 INFO [stderr]   |
Nov 16 07:47:46.163 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 07:47:46.163 INFO [stderr] 
Nov 16 07:47:46.206 INFO [stderr] warning: field is never used: `y`
Nov 16 07:47:46.206 INFO [stderr]  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Nov 16 07:47:46.206 INFO [stderr]   |
Nov 16 07:47:46.206 INFO [stderr] 3 |     y: &'b i32,
Nov 16 07:47:46.206 INFO [stderr]   |     ^^^^^^^^^^
Nov 16 07:47:46.206 INFO [stderr]   |
Nov 16 07:47:46.206 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 07:47:46.206 INFO [stderr] 
Nov 16 07:47:46.595 INFO [stderr] warning: unused variable: `a_2`
Nov 16 07:47:46.595 INFO [stderr]  --> src/bin/4_3_copy.rs:6:9
Nov 16 07:47:46.595 INFO [stderr]   |
Nov 16 07:47:46.595 INFO [stderr] 6 |     let a_2 = a;
Nov 16 07:47:46.595 INFO [stderr]   |         ^^^ help: consider using `_a_2` instead
Nov 16 07:47:46.595 INFO [stderr]   |
Nov 16 07:47:46.595 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 07:47:46.595 INFO [stderr] 
Nov 16 07:47:46.695 INFO [stderr] warning: unused variable: `t`
Nov 16 07:47:46.695 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:9:9
Nov 16 07:47:46.695 INFO [stderr]   |
Nov 16 07:47:46.695 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
Nov 16 07:47:46.695 INFO [stderr]   |         ^ help: consider using `_t` instead
Nov 16 07:47:46.695 INFO [stderr]   |
Nov 16 07:47:46.695 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 07:47:46.695 INFO [stderr] 
Nov 16 07:47:46.695 INFO [stderr] warning: unused variable: `u`
Nov 16 07:47:46.695 INFO [stderr]   --> src/bin/4_4_rc_arc.rs:10:9
Nov 16 07:47:46.695 INFO [stderr]    |
Nov 16 07:47:46.695 INFO [stderr] 10 |     let u = s.clone();
Nov 16 07:47:46.695 INFO [stderr]    |         ^ help: consider using `_u` instead
Nov 16 07:47:46.695 INFO [stderr] 
Nov 16 07:47:46.715 INFO [stderr] warning: unused variable: `aside`
Nov 16 07:47:46.715 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:11:9
Nov 16 07:47:46.715 INFO [stderr]    |
Nov 16 07:47:46.715 INFO [stderr] 11 |     let aside = v;
Nov 16 07:47:46.715 INFO [stderr]    |         ^^^^^ help: consider using `_aside` instead
Nov 16 07:47:46.715 INFO [stderr]    |
Nov 16 07:47:46.715 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 07:47:46.715 INFO [stderr] 
Nov 16 07:47:46.715 INFO [stderr] warning: unused variable: `r1`
Nov 16 07:47:46.715 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:28:9
Nov 16 07:47:46.715 INFO [stderr]    |
Nov 16 07:47:46.715 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
Nov 16 07:47:46.715 INFO [stderr]    |         ^^ help: consider using `_r1` instead
Nov 16 07:47:46.715 INFO [stderr] 
Nov 16 07:47:46.727 INFO [stderr] warning: variable does not need to be mutable
Nov 16 07:47:46.727 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:7:9
Nov 16 07:47:46.727 INFO [stderr]   |
Nov 16 07:47:46.727 INFO [stderr] 7 |     let mut s = Rc::new("hoge".to_string());
Nov 16 07:47:46.727 INFO [stderr]   |         ----^
Nov 16 07:47:46.727 INFO [stderr]   |         |
Nov 16 07:47:46.727 INFO [stderr]   |         help: remove this `mut`
Nov 16 07:47:46.727 INFO [stderr]   |
Nov 16 07:47:46.727 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 16 07:47:46.727 INFO [stderr] 
Nov 16 07:47:50.431 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.97s
Nov 16 07:47:50.435 INFO [stderr] su: No module specific data is present
Nov 16 07:47:51.965 INFO running `"docker" "inspect" "300f58ced0ae36a47f1546a5c2d424400918585b5f95ea330b135851aa9d8423"`
Nov 16 07:47:52.275 INFO running `"docker" "rm" "-f" "300f58ced0ae36a47f1546a5c2d424400918585b5f95ea330b135851aa9d8423"`
Nov 16 07:47:52.679 INFO [stdout] 300f58ced0ae36a47f1546a5c2d424400918585b5f95ea330b135851aa9d8423
Nov 16 07:47:52.686 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 07:47:53.212 INFO [stdout] bc8175f92f0cdd665dc0add0a7bcbe21a644ae8516bcf5927e008f4f82c84529
Nov 16 07:47:53.214 INFO running `"docker" "start" "-a" "bc8175f92f0cdd665dc0add0a7bcbe21a644ae8516bcf5927e008f4f82c84529"`
Nov 16 07:47:56.119 INFO [stderr] usermod: no changes
Nov 16 07:47:56.208 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Nov 16 07:47:56.214 INFO [stderr]      Running /target/debug/deps/4_3_copy-9800194bf42a8177
Nov 16 07:47:56.214 INFO [stderr]      Running /target/debug/deps/4_4_rc_arc-07ca2979f6651a5d
Nov 16 07:47:56.215 INFO [stdout] 
Nov 16 07:47:56.215 INFO [stdout] running 0 tests
Nov 16 07:47:56.215 INFO [stdout] 
Nov 16 07:47:56.215 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:56.215 INFO [stdout] 
Nov 16 07:47:56.216 INFO [stdout] 
Nov 16 07:47:56.216 INFO [stdout] running 0 tests
Nov 16 07:47:56.216 INFO [stdout] 
Nov 16 07:47:56.217 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:56.217 INFO [stdout] 
Nov 16 07:47:56.218 INFO [stderr]      Running /target/debug/deps/5_2_2_references_static-945bc781fed143d2
Nov 16 07:47:56.223 INFO [stdout] 
Nov 16 07:47:56.223 INFO [stdout] running 0 tests
Nov 16 07:47:56.223 INFO [stdout] 
Nov 16 07:47:56.223 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:56.223 INFO [stdout] 
Nov 16 07:47:56.227 INFO [stderr]      Running /target/debug/deps/5_2_4_return_references-9e7bb8abca7b988d
Nov 16 07:47:56.227 INFO [stderr]      Running /target/debug/deps/5_2_6_lifetime_parameter-28f95f0913f8087a
Nov 16 07:47:56.228 INFO [stdout] 
Nov 16 07:47:56.228 INFO [stdout] running 0 tests
Nov 16 07:47:56.228 INFO [stdout] 
Nov 16 07:47:56.228 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:56.228 INFO [stdout] 
Nov 16 07:47:56.228 INFO [stdout] 
Nov 16 07:47:56.228 INFO [stdout] running 0 tests
Nov 16 07:47:56.228 INFO [stdout] 
Nov 16 07:47:56.228 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:56.228 INFO [stdout] 
Nov 16 07:47:56.230 INFO [stderr]      Running /target/debug/deps/5_2_7_self_lifetime-09827d8375231491
Nov 16 07:47:56.239 INFO [stderr]      Running /target/debug/deps/5_3_share_refenrence-f05571d12f48c7b4
Nov 16 07:47:56.239 INFO [stderr]      Running /target/debug/deps/6_13_cast-b4166b3718fc738c
Nov 16 07:47:56.239 INFO [stdout] 
Nov 16 07:47:56.239 INFO [stdout] running 0 tests
Nov 16 07:47:56.239 INFO [stdout] 
Nov 16 07:47:56.239 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:56.239 INFO [stdout] 
Nov 16 07:47:56.239 INFO [stdout] 
Nov 16 07:47:56.239 INFO [stdout] running 0 tests
Nov 16 07:47:56.239 INFO [stdout] 
Nov 16 07:47:56.239 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:56.239 INFO [stdout] 
Nov 16 07:47:56.251 INFO [stdout] 
Nov 16 07:47:56.251 INFO [stdout] running 0 tests
Nov 16 07:47:56.251 INFO [stdout] 
Nov 16 07:47:56.251 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:56.251 INFO [stdout] 
Nov 16 07:47:56.251 INFO [stderr]      Running /target/debug/deps/6_4_1_if_let-44a6137dc4bd1b3f
Nov 16 07:47:56.259 INFO [stdout] 
Nov 16 07:47:56.259 INFO [stdout] running 0 tests
Nov 16 07:47:56.259 INFO [stdout] 
Nov 16 07:47:56.259 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:56.259 INFO [stdout] 
Nov 16 07:47:56.259 INFO [stdout] 
Nov 16 07:47:56.259 INFO [stdout] running 0 tests
Nov 16 07:47:56.259 INFO [stdout] 
Nov 16 07:47:56.259 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:56.259 INFO [stdout] 
Nov 16 07:47:56.259 INFO [stderr]      Running /target/debug/deps/6_5_loop-06d6098a8951c6c3
Nov 16 07:47:56.263 INFO [stderr]      Running /target/debug/deps/6_7_loop-f796f4aefb2a8849
Nov 16 07:47:56.275 INFO [stderr]      Running /target/debug/deps/samples-431e86274e0faef6
Nov 16 07:47:56.275 INFO [stdout] 
Nov 16 07:47:56.275 INFO [stdout] running 0 tests
Nov 16 07:47:56.275 INFO [stdout] 
Nov 16 07:47:56.275 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:56.275 INFO [stdout] 
Nov 16 07:47:56.279 INFO [stdout] 
Nov 16 07:47:56.279 INFO [stdout] running 0 tests
Nov 16 07:47:56.279 INFO [stdout] 
Nov 16 07:47:56.279 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:56.279 INFO [stdout] 
Nov 16 07:47:56.291 INFO [stderr] su: No module specific data is present
Nov 16 07:47:57.377 INFO running `"docker" "inspect" "bc8175f92f0cdd665dc0add0a7bcbe21a644ae8516bcf5927e008f4f82c84529"`
Nov 16 07:47:57.749 INFO running `"docker" "rm" "-f" "bc8175f92f0cdd665dc0add0a7bcbe21a644ae8516bcf5927e008f4f82c84529"`
Nov 16 07:47:58.087 INFO [stdout] bc8175f92f0cdd665dc0add0a7bcbe21a644ae8516bcf5927e008f4f82c84529