Dec 06 14:00:45.126 INFO testing FlatBartender/flow against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 14:00:45.126 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 14:00:45.628 INFO [stdout] 8de3334482bb2664440f96915574d700d027d3a93a99a5ba25927827a4329244
Dec 06 14:00:45.630 INFO running `"docker" "start" "-a" "8de3334482bb2664440f96915574d700d027d3a93a99a5ba25927827a4329244"`
Dec 06 14:00:46.714 INFO [stderr] usermod: no changes
Dec 06 14:00:46.780 INFO [stderr]    Compiling flow v0.1.0 (/source)
Dec 06 14:00:47.368 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:00:47.368 INFO [stderr]  --> src/main.rs:9:9
Dec 06 14:00:47.368 INFO [stderr]   |
Dec 06 14:00:47.368 INFO [stderr] 9 |     let mut sine     = Sine::new(Node::float(1.0));
Dec 06 14:00:47.368 INFO [stderr]   |         ----^^^^
Dec 06 14:00:47.368 INFO [stderr]   |         |
Dec 06 14:00:47.368 INFO [stderr]   |         help: remove this `mut`
Dec 06 14:00:47.368 INFO [stderr]   |
Dec 06 14:00:47.368 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 06 14:00:47.368 INFO [stderr] 
Dec 06 14:00:47.368 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:00:47.368 INFO [stderr]   --> src/main.rs:10:9
Dec 06 14:00:47.368 INFO [stderr]    |
Dec 06 14:00:47.368 INFO [stderr] 10 |     let mut freq     = sine * 440.0 + 880.0;
Dec 06 14:00:47.368 INFO [stderr]    |         ----^^^^
Dec 06 14:00:47.368 INFO [stderr]    |         |
Dec 06 14:00:47.368 INFO [stderr]    |         help: remove this `mut`
Dec 06 14:00:47.368 INFO [stderr] 
Dec 06 14:00:47.368 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:00:47.368 INFO [stderr]   --> src/main.rs:11:9
Dec 06 14:00:47.368 INFO [stderr]    |
Dec 06 14:00:47.368 INFO [stderr] 11 |     let mut saw      = Saw::new(freq);
Dec 06 14:00:47.368 INFO [stderr]    |         ----^^^
Dec 06 14:00:47.368 INFO [stderr]    |         |
Dec 06 14:00:47.368 INFO [stderr]    |         help: remove this `mut`
Dec 06 14:00:47.368 INFO [stderr] 
Dec 06 14:00:47.368 INFO [stderr] warning: method is never used: `new`
Dec 06 14:00:47.368 INFO [stderr]   --> src/node/square.rs:12:5
Dec 06 14:00:47.368 INFO [stderr]    |
Dec 06 14:00:47.368 INFO [stderr] 12 |     pub fn new(frequency: Box<Node>, duty: Box<Node>) -> Box<Node> {
Dec 06 14:00:47.368 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:00:47.368 INFO [stderr]    |
Dec 06 14:00:47.368 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 14:00:47.368 INFO [stderr] 
Dec 06 14:00:47.368 INFO [stderr] warning: method is never used: `new`
Dec 06 14:00:47.368 INFO [stderr]   --> src/node/add.rs:11:5
Dec 06 14:00:47.368 INFO [stderr]    |
Dec 06 14:00:47.368 INFO [stderr] 11 |     pub fn new(term_a: Box<Node>, term_b: Box<Node>) -> Box<Node> {
Dec 06 14:00:47.368 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:00:47.368 INFO [stderr] 
Dec 06 14:00:47.368 INFO [stderr] warning: method is never used: `new`
Dec 06 14:00:47.369 INFO [stderr]   --> src/node/mul.rs:11:5
Dec 06 14:00:47.369 INFO [stderr]    |
Dec 06 14:00:47.369 INFO [stderr] 11 |     pub fn new(term_a: Box<Node>, term_b: Box<Node>) -> Box<Node> {
Dec 06 14:00:47.369 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:00:47.369 INFO [stderr] 
Dec 06 14:00:48.180 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
Dec 06 14:00:48.180 INFO [stderr] su: No module specific data is present
Dec 06 14:00:48.906 INFO running `"docker" "inspect" "8de3334482bb2664440f96915574d700d027d3a93a99a5ba25927827a4329244"`
Dec 06 14:00:49.158 INFO running `"docker" "rm" "-f" "8de3334482bb2664440f96915574d700d027d3a93a99a5ba25927827a4329244"`
Dec 06 14:00:49.488 INFO [stdout] 8de3334482bb2664440f96915574d700d027d3a93a99a5ba25927827a4329244
Dec 06 14:00:49.494 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 14:00:49.966 INFO [stdout] 70cefcf6d85d8806f483042f06785193fffb8f9e170b962ec96de843f9c1d18b
Dec 06 14:00:49.978 INFO running `"docker" "start" "-a" "70cefcf6d85d8806f483042f06785193fffb8f9e170b962ec96de843f9c1d18b"`
Dec 06 14:00:51.231 INFO [stderr] usermod: no changes
Dec 06 14:00:51.287 INFO [stderr]    Compiling flow v0.1.0 (/source)
Dec 06 14:00:51.900 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:00:51.900 INFO [stderr]  --> src/main.rs:9:9
Dec 06 14:00:51.900 INFO [stderr]   |
Dec 06 14:00:51.900 INFO [stderr] 9 |     let mut sine     = Sine::new(Node::float(1.0));
Dec 06 14:00:51.900 INFO [stderr]   |         ----^^^^
Dec 06 14:00:51.900 INFO [stderr]   |         |
Dec 06 14:00:51.900 INFO [stderr]   |         help: remove this `mut`
Dec 06 14:00:51.900 INFO [stderr]   |
Dec 06 14:00:51.900 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 06 14:00:51.900 INFO [stderr] 
Dec 06 14:00:51.900 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:00:51.900 INFO [stderr]   --> src/main.rs:10:9
Dec 06 14:00:51.900 INFO [stderr]    |
Dec 06 14:00:51.900 INFO [stderr] 10 |     let mut freq     = sine * 440.0 + 880.0;
Dec 06 14:00:51.900 INFO [stderr]    |         ----^^^^
Dec 06 14:00:51.900 INFO [stderr]    |         |
Dec 06 14:00:51.900 INFO [stderr]    |         help: remove this `mut`
Dec 06 14:00:51.900 INFO [stderr] 
Dec 06 14:00:51.900 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:00:51.900 INFO [stderr]   --> src/main.rs:11:9
Dec 06 14:00:51.900 INFO [stderr]    |
Dec 06 14:00:51.900 INFO [stderr] 11 |     let mut saw      = Saw::new(freq);
Dec 06 14:00:51.900 INFO [stderr]    |         ----^^^
Dec 06 14:00:51.900 INFO [stderr]    |         |
Dec 06 14:00:51.901 INFO [stderr]    |         help: remove this `mut`
Dec 06 14:00:51.901 INFO [stderr] 
Dec 06 14:00:51.908 INFO [stderr] warning: method is never used: `new`
Dec 06 14:00:51.908 INFO [stderr]   --> src/node/square.rs:12:5
Dec 06 14:00:51.908 INFO [stderr]    |
Dec 06 14:00:51.908 INFO [stderr] 12 |     pub fn new(frequency: Box<Node>, duty: Box<Node>) -> Box<Node> {
Dec 06 14:00:51.908 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:00:51.908 INFO [stderr]    |
Dec 06 14:00:51.908 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 14:00:51.908 INFO [stderr] 
Dec 06 14:00:51.908 INFO [stderr] warning: method is never used: `new`
Dec 06 14:00:51.908 INFO [stderr]   --> src/node/add.rs:11:5
Dec 06 14:00:51.908 INFO [stderr]    |
Dec 06 14:00:51.908 INFO [stderr] 11 |     pub fn new(term_a: Box<Node>, term_b: Box<Node>) -> Box<Node> {
Dec 06 14:00:51.908 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:00:51.908 INFO [stderr] 
Dec 06 14:00:51.908 INFO [stderr] warning: method is never used: `new`
Dec 06 14:00:51.908 INFO [stderr]   --> src/node/mul.rs:11:5
Dec 06 14:00:51.908 INFO [stderr]    |
Dec 06 14:00:51.908 INFO [stderr] 11 |     pub fn new(term_a: Box<Node>, term_b: Box<Node>) -> Box<Node> {
Dec 06 14:00:51.908 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:00:51.908 INFO [stderr] 
Dec 06 14:00:52.210 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
Dec 06 14:00:52.228 INFO [stderr] su: No module specific data is present
Dec 06 14:00:53.092 INFO running `"docker" "inspect" "70cefcf6d85d8806f483042f06785193fffb8f9e170b962ec96de843f9c1d18b"`
Dec 06 14:00:53.335 INFO running `"docker" "rm" "-f" "70cefcf6d85d8806f483042f06785193fffb8f9e170b962ec96de843f9c1d18b"`
Dec 06 14:00:53.692 INFO [stdout] 70cefcf6d85d8806f483042f06785193fffb8f9e170b962ec96de843f9c1d18b
Dec 06 14:00:53.700 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 14:00:54.111 INFO [stdout] 44151a04c5794bb6d0e040d2ca38af187e037267b73db90819427a78815bb867
Dec 06 14:00:54.118 INFO running `"docker" "start" "-a" "44151a04c5794bb6d0e040d2ca38af187e037267b73db90819427a78815bb867"`
Dec 06 14:00:55.748 INFO [stderr] usermod: no changes
Dec 06 14:00:55.848 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 06 14:00:55.851 INFO [stderr]      Running /target/debug/deps/flow-405fbf0ddd8a4259
Dec 06 14:00:55.852 INFO [stdout] 
Dec 06 14:00:55.852 INFO [stdout] running 0 tests
Dec 06 14:00:55.852 INFO [stdout] 
Dec 06 14:00:55.852 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 14:00:55.852 INFO [stdout] 
Dec 06 14:00:55.852 INFO [stderr] su: No module specific data is present
Dec 06 14:00:56.628 INFO running `"docker" "inspect" "44151a04c5794bb6d0e040d2ca38af187e037267b73db90819427a78815bb867"`
Dec 06 14:00:57.002 INFO running `"docker" "rm" "-f" "44151a04c5794bb6d0e040d2ca38af187e037267b73db90819427a78815bb867"`
Dec 06 14:00:57.222 INFO [stdout] 44151a04c5794bb6d0e040d2ca38af187e037267b73db90819427a78815bb867