Nov 16 07:47:37.909 INFO testing yagince/programming-rust against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 07:47:37.911 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 07:47:38.385 INFO [stdout] 3ae60638884d46fd6d7ee608f8d7c522df6fa4a9b7a04cc81be67c79398047f6
Nov 16 07:47:38.388 INFO running `"docker" "start" "-a" "3ae60638884d46fd6d7ee608f8d7c522df6fa4a9b7a04cc81be67c79398047f6"`
Nov 16 07:47:40.359 INFO [stderr] usermod: no changes
Nov 16 07:47:40.450 INFO [stderr]    Compiling samples v0.1.0 (/source)
Nov 16 07:47:41.131 INFO [stderr] warning: unused import: `std::io::Result`
Nov 16 07:47:41.131 INFO [stderr]  --> src/bin/6_4_1_if_let.rs:2:5
Nov 16 07:47:41.131 INFO [stderr]   |
Nov 16 07:47:41.131 INFO [stderr] 2 | use std::io::Result;
Nov 16 07:47:41.131 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 16 07:47:41.131 INFO [stderr]   |
Nov 16 07:47:41.131 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 07:47:41.131 INFO [stderr] 
Nov 16 07:47:41.203 INFO [stderr] warning: unused variable: `t`
Nov 16 07:47:41.203 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:9:9
Nov 16 07:47:41.203 INFO [stderr]   |
Nov 16 07:47:41.203 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 07:47:41.203 INFO [stderr]   |         ^ help: consider using `_t` instead
Nov 16 07:47:41.215 INFO [stderr]   |
Nov 16 07:47:41.215 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 07:47:41.215 INFO [stderr] 
Nov 16 07:47:41.215 INFO [stderr] warning: unused variable: `u`
Nov 16 07:47:41.215 INFO [stderr]   --> src/bin/4_4_rc_arc.rs:10:9
Nov 16 07:47:41.215 INFO [stderr]    |
Nov 16 07:47:41.215 INFO [stderr] 10 |     let u = s.clone();
Nov 16 07:47:41.215 INFO [stderr]    |         ^ help: consider using `_u` instead
Nov 16 07:47:41.215 INFO [stderr] 
Nov 16 07:47:41.227 INFO [stderr] warning: variable does not need to be mutable
Nov 16 07:47:41.227 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:7:9
Nov 16 07:47:41.227 INFO [stderr]   |
Nov 16 07:47:41.227 INFO [stderr] 7 |     let mut s = Rc::new("hoge".to_string());
Nov 16 07:47:41.227 INFO [stderr]   |         ----^
Nov 16 07:47:41.227 INFO [stderr]   |         |
Nov 16 07:47:41.227 INFO [stderr]   |         help: remove this `mut`
Nov 16 07:47:41.227 INFO [stderr]   |
Nov 16 07:47:41.227 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 16 07:47:41.227 INFO [stderr] 
Nov 16 07:47:41.299 INFO [stderr] warning: field is never used: `y`
Nov 16 07:47:41.299 INFO [stderr]  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Nov 16 07:47:41.299 INFO [stderr]   |
Nov 16 07:47:41.299 INFO [stderr] 3 |     y: &'b i32,
Nov 16 07:47:41.299 INFO [stderr]   |     ^^^^^^^^^^
Nov 16 07:47:41.299 INFO [stderr]   |
Nov 16 07:47:41.299 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 07:47:41.299 INFO [stderr] 
Nov 16 07:47:41.305 INFO [stderr] warning: unused variable: `aside`
Nov 16 07:47:41.305 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:11:9
Nov 16 07:47:41.305 INFO [stderr]    |
Nov 16 07:47:41.305 INFO [stderr] 11 |     let aside = v;
Nov 16 07:47:41.305 INFO [stderr]    |         ^^^^^ help: consider using `_aside` instead
Nov 16 07:47:41.305 INFO [stderr]    |
Nov 16 07:47:41.305 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 07:47:41.305 INFO [stderr] 
Nov 16 07:47:41.305 INFO [stderr] warning: unused variable: `r1`
Nov 16 07:47:41.305 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:28:9
Nov 16 07:47:41.305 INFO [stderr]    |
Nov 16 07:47:41.305 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 07:47:41.305 INFO [stderr]    |         ^^ help: consider using `_r1` instead
Nov 16 07:47:41.305 INFO [stderr] 
Nov 16 07:47:44.667 INFO [stderr] warning: unused variable: `a_2`
Nov 16 07:47:44.667 INFO [stderr]  --> src/bin/4_3_copy.rs:6:9
Nov 16 07:47:44.667 INFO [stderr]   |
Nov 16 07:47:44.667 INFO [stderr] 6 |     let a_2 = a;
Nov 16 07:47:44.667 INFO [stderr]   |         ^^^ help: consider using `_a_2` instead
Nov 16 07:47:44.667 INFO [stderr]   |
Nov 16 07:47:44.667 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 07:47:44.667 INFO [stderr] 
Nov 16 07:47:45.900 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.51s
Nov 16 07:47:45.904 INFO [stderr] su: No module specific data is present
Nov 16 07:47:47.280 INFO running `"docker" "inspect" "3ae60638884d46fd6d7ee608f8d7c522df6fa4a9b7a04cc81be67c79398047f6"`
Nov 16 07:47:47.657 INFO running `"docker" "rm" "-f" "3ae60638884d46fd6d7ee608f8d7c522df6fa4a9b7a04cc81be67c79398047f6"`
Nov 16 07:47:48.051 INFO [stdout] 3ae60638884d46fd6d7ee608f8d7c522df6fa4a9b7a04cc81be67c79398047f6
Nov 16 07:47:48.058 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 07:47:48.533 INFO [stdout] bdb896ba383ef275eaad1cfa970fb0809fc380ea8062592c1d70cb2a923352fb
Nov 16 07:47:48.536 INFO running `"docker" "start" "-a" "bdb896ba383ef275eaad1cfa970fb0809fc380ea8062592c1d70cb2a923352fb"`
Nov 16 07:47:51.027 INFO [stderr] usermod: no changes
Nov 16 07:47:51.070 INFO [stderr]    Compiling samples v0.1.0 (/source)
Nov 16 07:47:51.583 INFO [stderr] warning: field is never used: `y`
Nov 16 07:47:51.583 INFO [stderr]  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Nov 16 07:47:51.583 INFO [stderr]   |
Nov 16 07:47:51.583 INFO [stderr] 3 |     y: &'b i32,
Nov 16 07:47:51.583 INFO [stderr]   |     ^^^^^^^^^^
Nov 16 07:47:51.583 INFO [stderr]   |
Nov 16 07:47:51.583 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 07:47:51.583 INFO [stderr] 
Nov 16 07:47:52.023 INFO [stderr] warning: unused variable: `t`
Nov 16 07:47:52.023 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:9:9
Nov 16 07:47:52.023 INFO [stderr]   |
Nov 16 07:47:52.023 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 07:47:52.023 INFO [stderr]   |         ^ help: consider using `_t` instead
Nov 16 07:47:52.047 INFO [stderr]   |
Nov 16 07:47:52.047 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 07:47:52.047 INFO [stderr] 
Nov 16 07:47:52.047 INFO [stderr] warning: unused variable: `u`
Nov 16 07:47:52.047 INFO [stderr]   --> src/bin/4_4_rc_arc.rs:10:9
Nov 16 07:47:52.047 INFO [stderr]    |
Nov 16 07:47:52.047 INFO [stderr] 10 |     let u = s.clone();
Nov 16 07:47:52.047 INFO [stderr]    |         ^ help: consider using `_u` instead
Nov 16 07:47:52.047 INFO [stderr] 
Nov 16 07:47:52.079 INFO [stderr] warning: variable does not need to be mutable
Nov 16 07:47:52.079 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:7:9
Nov 16 07:47:52.079 INFO [stderr]   |
Nov 16 07:47:52.079 INFO [stderr] 7 |     let mut s = Rc::new("hoge".to_string());
Nov 16 07:47:52.079 INFO [stderr]   |         ----^
Nov 16 07:47:52.079 INFO [stderr]   |         |
Nov 16 07:47:52.079 INFO [stderr]   |         help: remove this `mut`
Nov 16 07:47:52.079 INFO [stderr]   |
Nov 16 07:47:52.079 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 16 07:47:52.079 INFO [stderr] 
Nov 16 07:47:52.123 INFO [stderr] warning: unused variable: `aside`
Nov 16 07:47:52.123 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:11:9
Nov 16 07:47:52.123 INFO [stderr]    |
Nov 16 07:47:52.123 INFO [stderr] 11 |     let aside = v;
Nov 16 07:47:52.123 INFO [stderr]    |         ^^^^^ help: consider using `_aside` instead
Nov 16 07:47:52.123 INFO [stderr]    |
Nov 16 07:47:52.123 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 07:47:52.123 INFO [stderr] 
Nov 16 07:47:52.123 INFO [stderr] warning: unused variable: `r1`
Nov 16 07:47:52.123 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:28:9
Nov 16 07:47:52.123 INFO [stderr]    |
Nov 16 07:47:52.123 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 07:47:52.123 INFO [stderr]    |         ^^ help: consider using `_r1` instead
Nov 16 07:47:52.123 INFO [stderr] 
Nov 16 07:47:54.319 INFO [stderr] warning: unused variable: `a_2`
Nov 16 07:47:54.320 INFO [stderr]  --> src/bin/4_3_copy.rs:6:9
Nov 16 07:47:54.320 INFO [stderr]   |
Nov 16 07:47:54.320 INFO [stderr] 6 |     let a_2 = a;
Nov 16 07:47:54.321 INFO [stderr]   |         ^^^ help: consider using `_a_2` instead
Nov 16 07:47:54.321 INFO [stderr]   |
Nov 16 07:47:54.321 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 07:47:54.322 INFO [stderr] 
Nov 16 07:47:54.411 INFO [stderr] warning: unused import: `std::io::Result`
Nov 16 07:47:54.412 INFO [stderr]  --> src/bin/6_4_1_if_let.rs:2:5
Nov 16 07:47:54.412 INFO [stderr]   |
Nov 16 07:47:54.412 INFO [stderr] 2 | use std::io::Result;
Nov 16 07:47:54.413 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 16 07:47:54.413 INFO [stderr]   |
Nov 16 07:47:54.413 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 07:47:54.414 INFO [stderr] 
Nov 16 07:47:55.980 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.92s
Nov 16 07:47:55.983 INFO [stderr] su: No module specific data is present
Nov 16 07:47:57.118 INFO running `"docker" "inspect" "bdb896ba383ef275eaad1cfa970fb0809fc380ea8062592c1d70cb2a923352fb"`
Nov 16 07:47:57.477 INFO running `"docker" "rm" "-f" "bdb896ba383ef275eaad1cfa970fb0809fc380ea8062592c1d70cb2a923352fb"`
Nov 16 07:47:57.795 INFO [stdout] bdb896ba383ef275eaad1cfa970fb0809fc380ea8062592c1d70cb2a923352fb
Nov 16 07:47:57.797 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 07:47:58.335 INFO [stdout] 36abcc579d01285a8bafabaf580ab88771e39d5e294d5bfc56b5f83dae08c5c0
Nov 16 07:47:58.339 INFO running `"docker" "start" "-a" "36abcc579d01285a8bafabaf580ab88771e39d5e294d5bfc56b5f83dae08c5c0"`
Nov 16 07:47:59.635 INFO [stderr] usermod: no changes
Nov 16 07:47:59.743 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Nov 16 07:47:59.755 INFO [stderr]      Running /target/debug/deps/4_3_copy-801f9cabb5623060
Nov 16 07:47:59.760 INFO [stdout] 
Nov 16 07:47:59.760 INFO [stdout] running 0 tests
Nov 16 07:47:59.763 INFO [stdout] 
Nov 16 07:47:59.763 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:59.763 INFO [stdout] 
Nov 16 07:47:59.763 INFO [stderr]      Running /target/debug/deps/4_4_rc_arc-be7fa0c1e063e421
Nov 16 07:47:59.768 INFO [stdout] 
Nov 16 07:47:59.768 INFO [stdout] running 0 tests
Nov 16 07:47:59.768 INFO [stdout] 
Nov 16 07:47:59.768 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:59.768 INFO [stdout] 
Nov 16 07:47:59.768 INFO [stderr]      Running /target/debug/deps/5_2_2_references_static-2aac804dd473223b
Nov 16 07:47:59.780 INFO [stdout] 
Nov 16 07:47:59.780 INFO [stdout] running 0 tests
Nov 16 07:47:59.780 INFO [stdout] 
Nov 16 07:47:59.780 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:59.780 INFO [stdout] 
Nov 16 07:47:59.787 INFO [stderr]      Running /target/debug/deps/5_2_4_return_references-fa109066fcbc6cfa
Nov 16 07:47:59.795 INFO [stdout] 
Nov 16 07:47:59.795 INFO [stdout] running 0 tests
Nov 16 07:47:59.795 INFO [stdout] 
Nov 16 07:47:59.795 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:59.795 INFO [stdout] 
Nov 16 07:47:59.795 INFO [stderr]      Running /target/debug/deps/5_2_6_lifetime_parameter-029db2dd2920418d
Nov 16 07:47:59.807 INFO [stdout] 
Nov 16 07:47:59.807 INFO [stdout] running 0 tests
Nov 16 07:47:59.807 INFO [stdout] 
Nov 16 07:47:59.807 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:59.807 INFO [stdout] 
Nov 16 07:47:59.807 INFO [stderr]      Running /target/debug/deps/5_2_7_self_lifetime-f75bfdbc33bcd969
Nov 16 07:47:59.809 INFO [stdout] 
Nov 16 07:47:59.809 INFO [stdout] running 0 tests
Nov 16 07:47:59.809 INFO [stdout] 
Nov 16 07:47:59.809 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:59.809 INFO [stdout] 
Nov 16 07:47:59.809 INFO [stderr]      Running /target/debug/deps/5_3_share_refenrence-df3041cc77948960
Nov 16 07:47:59.815 INFO [stderr]      Running /target/debug/deps/6_13_cast-b3ef93216c76735b
Nov 16 07:47:59.815 INFO [stdout] 
Nov 16 07:47:59.815 INFO [stdout] running 0 tests
Nov 16 07:47:59.815 INFO [stdout] 
Nov 16 07:47:59.815 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:59.815 INFO [stdout] 
Nov 16 07:47:59.827 INFO [stdout] 
Nov 16 07:47:59.827 INFO [stdout] running 0 tests
Nov 16 07:47:59.827 INFO [stdout] 
Nov 16 07:47:59.827 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:59.827 INFO [stdout] 
Nov 16 07:47:59.827 INFO [stderr]      Running /target/debug/deps/6_4_1_if_let-1353ba3b307d013b
Nov 16 07:47:59.843 INFO [stdout] 
Nov 16 07:47:59.843 INFO [stdout] running 0 tests
Nov 16 07:47:59.843 INFO [stdout] 
Nov 16 07:47:59.843 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:59.843 INFO [stdout] 
Nov 16 07:47:59.843 INFO [stdout] 
Nov 16 07:47:59.843 INFO [stdout] running 0 tests
Nov 16 07:47:59.843 INFO [stdout] 
Nov 16 07:47:59.843 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:59.843 INFO [stdout] 
Nov 16 07:47:59.843 INFO [stdout] 
Nov 16 07:47:59.843 INFO [stdout] running 0 tests
Nov 16 07:47:59.843 INFO [stdout] 
Nov 16 07:47:59.843 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:59.843 INFO [stdout] 
Nov 16 07:47:59.843 INFO [stdout] 
Nov 16 07:47:59.843 INFO [stdout] running 0 tests
Nov 16 07:47:59.843 INFO [stdout] 
Nov 16 07:47:59.843 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:47:59.843 INFO [stdout] 
Nov 16 07:47:59.843 INFO [stderr]      Running /target/debug/deps/6_5_loop-fb378868a707ff9d
Nov 16 07:47:59.843 INFO [stderr]      Running /target/debug/deps/6_7_loop-0cd9ecff1c0f8183
Nov 16 07:47:59.843 INFO [stderr]      Running /target/debug/deps/samples-9effebea4a5222b6
Nov 16 07:47:59.847 INFO [stderr] su: No module specific data is present
Nov 16 07:48:01.218 INFO running `"docker" "inspect" "36abcc579d01285a8bafabaf580ab88771e39d5e294d5bfc56b5f83dae08c5c0"`
Nov 16 07:48:01.499 INFO running `"docker" "rm" "-f" "36abcc579d01285a8bafabaf580ab88771e39d5e294d5bfc56b5f83dae08c5c0"`
Nov 16 07:48:01.875 INFO [stdout] 36abcc579d01285a8bafabaf580ab88771e39d5e294d5bfc56b5f83dae08c5c0