Dec 02 08:56:46.187 INFO testing CGQAQ/Rust_Learn against 1.30.1 for beta-1.31-5
Dec 02 08:56:46.187 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 08:56:46.687 INFO [stdout] 85bdeed500063ea3dc2f5deafb975e228541c4577967ce97950b0f9d07ef3feb
Dec 02 08:56:46.689 INFO running `"docker" "start" "-a" "85bdeed500063ea3dc2f5deafb975e228541c4577967ce97950b0f9d07ef3feb"`
Dec 02 08:56:47.983 INFO [stderr] usermod: no changes
Dec 02 08:56:48.022 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 02 08:56:48.022 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 02 08:56:48.022 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 02 08:56:48.022 INFO [stderr] files will be included as a binary target:
Dec 02 08:56:48.022 INFO [stderr] 
Dec 02 08:56:48.022 INFO [stderr] * /source/src/main.rs
Dec 02 08:56:48.022 INFO [stderr] 
Dec 02 08:56:48.022 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 02 08:56:48.022 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 02 08:56:48.022 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 02 08:56:48.022 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 02 08:56:48.022 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 02 08:56:48.022 INFO [stderr] 
Dec 02 08:56:48.022 INFO [stderr] For more information on this warning you can consult
Dec 02 08:56:48.022 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 02 08:56:48.022 INFO [stderr] warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `main`,
Dec 02 08:56:48.022 INFO [stderr] please set bin.path in Cargo.toml
Dec 02 08:56:48.047 INFO [stderr]    Compiling learn v0.1.0 (/source)
Dec 02 08:56:50.415 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:56:50.415 INFO [stderr]   --> src/bin/mthread.rs:11:9
Dec 02 08:56:50.415 INFO [stderr]    |
Dec 02 08:56:50.415 INFO [stderr] 11 |     let mut ptr = Arc::new(Mutex::new("hello world!".chars()));
Dec 02 08:56:50.415 INFO [stderr]    |         ----^^^
Dec 02 08:56:50.415 INFO [stderr]    |         |
Dec 02 08:56:50.415 INFO [stderr]    |         help: remove this `mut`
Dec 02 08:56:50.415 INFO [stderr]    |
Dec 02 08:56:50.415 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 02 08:56:50.415 INFO [stderr] 
Dec 02 08:56:50.415 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:56:50.415 INFO [stderr]   --> src/bin/mthread.rs:27:13
Dec 02 08:56:50.415 INFO [stderr]    |
Dec 02 08:56:50.415 INFO [stderr] 27 |         let mut ptr = ptr.clone();
Dec 02 08:56:50.415 INFO [stderr]    |             ----^^^
Dec 02 08:56:50.415 INFO [stderr]    |             |
Dec 02 08:56:50.415 INFO [stderr]    |             help: remove this `mut`
Dec 02 08:56:50.415 INFO [stderr] 
Dec 02 08:56:50.415 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:56:50.415 INFO [stderr]   --> src/bin/mthread.rs:29:13
Dec 02 08:56:50.415 INFO [stderr]    |
Dec 02 08:56:50.415 INFO [stderr] 29 |         let mut tx = tx.clone();
Dec 02 08:56:50.415 INFO [stderr]    |             ----^^
Dec 02 08:56:50.415 INFO [stderr]    |             |
Dec 02 08:56:50.415 INFO [stderr]    |             help: remove this `mut`
Dec 02 08:56:50.415 INFO [stderr] 
Dec 02 08:56:50.415 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 02 08:56:50.415 INFO [stderr]   --> src/bin/mthread.rs:20:21
Dec 02 08:56:50.415 INFO [stderr]    |
Dec 02 08:56:50.415 INFO [stderr] 20 |                     a.send(1);
Dec 02 08:56:50.415 INFO [stderr]    |                     ^^^^^^^^^^
Dec 02 08:56:50.415 INFO [stderr]    |
Dec 02 08:56:50.415 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 02 08:56:50.415 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 08:56:50.415 INFO [stderr] 
Dec 02 08:56:50.415 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 02 08:56:50.415 INFO [stderr]   --> src/bin/mthread.rs:34:17
Dec 02 08:56:50.416 INFO [stderr]    |
Dec 02 08:56:50.416 INFO [stderr] 34 |                 tx.send(d);
Dec 02 08:56:50.416 INFO [stderr]    |                 ^^^^^^^^^^^
Dec 02 08:56:50.416 INFO [stderr]    |
Dec 02 08:56:50.416 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 08:56:50.416 INFO [stderr] 
Dec 02 08:56:51.776 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.77s
Dec 02 08:56:51.781 INFO [stderr] su: No module specific data is present
Dec 02 08:56:52.685 INFO running `"docker" "inspect" "85bdeed500063ea3dc2f5deafb975e228541c4577967ce97950b0f9d07ef3feb"`
Dec 02 08:56:53.065 INFO running `"docker" "rm" "-f" "85bdeed500063ea3dc2f5deafb975e228541c4577967ce97950b0f9d07ef3feb"`
Dec 02 08:56:53.519 INFO [stdout] 85bdeed500063ea3dc2f5deafb975e228541c4577967ce97950b0f9d07ef3feb
Dec 02 08:56:53.521 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 08:56:53.991 INFO [stdout] 7524f8720c4f307ea2a866b1aaeb94375f46d5aa2810aba2f807aa03050b4509
Dec 02 08:56:53.999 INFO running `"docker" "start" "-a" "7524f8720c4f307ea2a866b1aaeb94375f46d5aa2810aba2f807aa03050b4509"`
Dec 02 08:56:55.286 INFO [stderr] usermod: no changes
Dec 02 08:56:55.324 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 02 08:56:55.324 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 02 08:56:55.324 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 02 08:56:55.324 INFO [stderr] files will be included as a binary target:
Dec 02 08:56:55.324 INFO [stderr] 
Dec 02 08:56:55.324 INFO [stderr] * /source/src/main.rs
Dec 02 08:56:55.324 INFO [stderr] 
Dec 02 08:56:55.324 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 02 08:56:55.324 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 02 08:56:55.324 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 02 08:56:55.324 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 02 08:56:55.324 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 02 08:56:55.324 INFO [stderr] 
Dec 02 08:56:55.324 INFO [stderr] For more information on this warning you can consult
Dec 02 08:56:55.324 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 02 08:56:55.324 INFO [stderr] warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `main`,
Dec 02 08:56:55.324 INFO [stderr] please set bin.path in Cargo.toml
Dec 02 08:56:55.327 INFO [stderr]    Compiling learn v0.1.0 (/source)
Dec 02 08:56:56.964 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:56:56.964 INFO [stderr]   --> src/bin/mthread.rs:11:9
Dec 02 08:56:56.964 INFO [stderr]    |
Dec 02 08:56:56.964 INFO [stderr] 11 |     let mut ptr = Arc::new(Mutex::new("hello world!".chars()));
Dec 02 08:56:56.964 INFO [stderr]    |         ----^^^
Dec 02 08:56:56.964 INFO [stderr]    |         |
Dec 02 08:56:56.964 INFO [stderr]    |         help: remove this `mut`
Dec 02 08:56:56.971 INFO [stderr]    |
Dec 02 08:56:56.971 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 02 08:56:56.971 INFO [stderr] 
Dec 02 08:56:56.971 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:56:56.971 INFO [stderr]   --> src/bin/mthread.rs:27:13
Dec 02 08:56:56.971 INFO [stderr]    |
Dec 02 08:56:56.971 INFO [stderr] 27 |         let mut ptr = ptr.clone();
Dec 02 08:56:56.971 INFO [stderr]    |             ----^^^
Dec 02 08:56:56.971 INFO [stderr]    |             |
Dec 02 08:56:56.971 INFO [stderr]    |             help: remove this `mut`
Dec 02 08:56:56.971 INFO [stderr] 
Dec 02 08:56:56.971 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:56:56.971 INFO [stderr]   --> src/bin/mthread.rs:29:13
Dec 02 08:56:56.971 INFO [stderr]    |
Dec 02 08:56:56.971 INFO [stderr] 29 |         let mut tx = tx.clone();
Dec 02 08:56:56.971 INFO [stderr]    |             ----^^
Dec 02 08:56:56.971 INFO [stderr]    |             |
Dec 02 08:56:56.971 INFO [stderr]    |             help: remove this `mut`
Dec 02 08:56:56.971 INFO [stderr] 
Dec 02 08:56:56.979 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 02 08:56:56.979 INFO [stderr]   --> src/bin/mthread.rs:20:21
Dec 02 08:56:56.979 INFO [stderr]    |
Dec 02 08:56:56.979 INFO [stderr] 20 |                     a.send(1);
Dec 02 08:56:56.979 INFO [stderr]    |                     ^^^^^^^^^^
Dec 02 08:56:56.979 INFO [stderr]    |
Dec 02 08:56:56.979 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 02 08:56:56.979 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 08:56:56.979 INFO [stderr] 
Dec 02 08:56:56.979 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 02 08:56:56.979 INFO [stderr]   --> src/bin/mthread.rs:34:17
Dec 02 08:56:56.979 INFO [stderr]    |
Dec 02 08:56:56.979 INFO [stderr] 34 |                 tx.send(d);
Dec 02 08:56:56.979 INFO [stderr]    |                 ^^^^^^^^^^^
Dec 02 08:56:56.979 INFO [stderr]    |
Dec 02 08:56:56.979 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 08:56:56.979 INFO [stderr] 
Dec 02 08:56:57.655 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
Dec 02 08:56:57.655 INFO [stderr] su: No module specific data is present
Dec 02 08:56:58.290 INFO running `"docker" "inspect" "7524f8720c4f307ea2a866b1aaeb94375f46d5aa2810aba2f807aa03050b4509"`
Dec 02 08:56:58.577 INFO running `"docker" "rm" "-f" "7524f8720c4f307ea2a866b1aaeb94375f46d5aa2810aba2f807aa03050b4509"`
Dec 02 08:56:58.936 INFO [stdout] 7524f8720c4f307ea2a866b1aaeb94375f46d5aa2810aba2f807aa03050b4509
Dec 02 08:56:58.940 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 08:56:59.407 INFO [stdout] 423186fe70027694c70dac4986a321191ee226912a015da70727aaae332ddc77
Dec 02 08:56:59.409 INFO running `"docker" "start" "-a" "423186fe70027694c70dac4986a321191ee226912a015da70727aaae332ddc77"`
Dec 02 08:57:00.196 INFO [stderr] usermod: no changes
Dec 02 08:57:00.239 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 02 08:57:00.239 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 02 08:57:00.239 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 02 08:57:00.239 INFO [stderr] files will be included as a binary target:
Dec 02 08:57:00.239 INFO [stderr] 
Dec 02 08:57:00.239 INFO [stderr] * /source/src/main.rs
Dec 02 08:57:00.239 INFO [stderr] 
Dec 02 08:57:00.239 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 02 08:57:00.239 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 02 08:57:00.239 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 02 08:57:00.239 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 02 08:57:00.239 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 02 08:57:00.239 INFO [stderr] 
Dec 02 08:57:00.239 INFO [stderr] For more information on this warning you can consult
Dec 02 08:57:00.239 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 02 08:57:00.239 INFO [stderr] warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `main`,
Dec 02 08:57:00.239 INFO [stderr] please set bin.path in Cargo.toml
Dec 02 08:57:00.239 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 02 08:57:00.250 INFO [stderr]      Running /target/debug/deps/demo-86ac743e8e98ce78
Dec 02 08:57:00.275 INFO [stdout] 
Dec 02 08:57:00.275 INFO [stdout] running 0 tests
Dec 02 08:57:00.275 INFO [stdout] 
Dec 02 08:57:00.275 INFO [stderr]      Running /target/debug/deps/main-08d449513dc74829
Dec 02 08:57:00.275 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 08:57:00.275 INFO [stdout] 
Dec 02 08:57:00.285 INFO [stdout] 
Dec 02 08:57:00.285 INFO [stderr]      Running /target/debug/deps/mthread-f2aa23c0dcfa272c
Dec 02 08:57:00.285 INFO [stdout] running 0 tests
Dec 02 08:57:00.285 INFO [stdout] 
Dec 02 08:57:00.285 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 08:57:00.285 INFO [stdout] 
Dec 02 08:57:00.288 INFO [stdout] 
Dec 02 08:57:00.288 INFO [stdout] running 0 tests
Dec 02 08:57:00.288 INFO [stdout] 
Dec 02 08:57:00.288 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 08:57:00.288 INFO [stdout] 
Dec 02 08:57:00.295 INFO [stderr] su: No module specific data is present
Dec 02 08:57:01.347 INFO running `"docker" "inspect" "423186fe70027694c70dac4986a321191ee226912a015da70727aaae332ddc77"`
Dec 02 08:57:01.607 INFO running `"docker" "rm" "-f" "423186fe70027694c70dac4986a321191ee226912a015da70727aaae332ddc77"`
Dec 02 08:57:01.951 INFO [stdout] 423186fe70027694c70dac4986a321191ee226912a015da70727aaae332ddc77
