Dec 14 10:20:43.512 INFO testing FlatBartender/flow against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 10:20:43.512 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 14 10:20:44.009 INFO [stdout] ec28704dad56a4e59fa107d86fee262eaeb37ccf2fc378d17ef5f789b8c7b62c
Dec 14 10:20:44.012 INFO running `"docker" "start" "-a" "ec28704dad56a4e59fa107d86fee262eaeb37ccf2fc378d17ef5f789b8c7b62c"`
Dec 14 10:20:45.442 INFO [stderr] usermod: no changes
Dec 14 10:20:45.536 INFO [stderr]    Compiling flow v0.1.0 (/source)
Dec 14 10:20:46.199 INFO [stderr] warning: variable does not need to be mutable
Dec 14 10:20:46.199 INFO [stderr]  --> src/main.rs:9:9
Dec 14 10:20:46.199 INFO [stderr]   |
Dec 14 10:20:46.199 INFO [stderr] 9 |     let mut sine     = Sine::new(Node::float(1.0));
Dec 14 10:20:46.199 INFO [stderr]   |         ----^^^^
Dec 14 10:20:46.199 INFO [stderr]   |         |
Dec 14 10:20:46.199 INFO [stderr]   |         help: remove this `mut`
Dec 14 10:20:46.199 INFO [stderr]   |
Dec 14 10:20:46.199 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 14 10:20:46.199 INFO [stderr] 
Dec 14 10:20:46.199 INFO [stderr] warning: variable does not need to be mutable
Dec 14 10:20:46.199 INFO [stderr]   --> src/main.rs:10:9
Dec 14 10:20:46.199 INFO [stderr]    |
Dec 14 10:20:46.199 INFO [stderr] 10 |     let mut freq     = sine * 440.0 + 880.0;
Dec 14 10:20:46.199 INFO [stderr]    |         ----^^^^
Dec 14 10:20:46.199 INFO [stderr]    |         |
Dec 14 10:20:46.199 INFO [stderr]    |         help: remove this `mut`
Dec 14 10:20:46.199 INFO [stderr] 
Dec 14 10:20:46.199 INFO [stderr] warning: variable does not need to be mutable
Dec 14 10:20:46.199 INFO [stderr]   --> src/main.rs:11:9
Dec 14 10:20:46.199 INFO [stderr]    |
Dec 14 10:20:46.199 INFO [stderr] 11 |     let mut saw      = Saw::new(freq);
Dec 14 10:20:46.199 INFO [stderr]    |         ----^^^
Dec 14 10:20:46.199 INFO [stderr]    |         |
Dec 14 10:20:46.199 INFO [stderr]    |         help: remove this `mut`
Dec 14 10:20:46.199 INFO [stderr] 
Dec 14 10:20:46.206 INFO [stderr] warning: method is never used: `new`
Dec 14 10:20:46.207 INFO [stderr]   --> src/node/square.rs:12:5
Dec 14 10:20:46.207 INFO [stderr]    |
Dec 14 10:20:46.207 INFO [stderr] 12 |     pub fn new(frequency: Box<Node>, duty: Box<Node>) -> Box<Node> {
Dec 14 10:20:46.207 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:20:46.207 INFO [stderr]    |
Dec 14 10:20:46.207 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 10:20:46.207 INFO [stderr] 
Dec 14 10:20:46.207 INFO [stderr] warning: method is never used: `new`
Dec 14 10:20:46.207 INFO [stderr]   --> src/node/add.rs:11:5
Dec 14 10:20:46.207 INFO [stderr]    |
Dec 14 10:20:46.207 INFO [stderr] 11 |     pub fn new(term_a: Box<Node>, term_b: Box<Node>) -> Box<Node> {
Dec 14 10:20:46.211 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:20:46.211 INFO [stderr] 
Dec 14 10:20:46.211 INFO [stderr] warning: method is never used: `new`
Dec 14 10:20:46.211 INFO [stderr]   --> src/node/mul.rs:11:5
Dec 14 10:20:46.211 INFO [stderr]    |
Dec 14 10:20:46.211 INFO [stderr] 11 |     pub fn new(term_a: Box<Node>, term_b: Box<Node>) -> Box<Node> {
Dec 14 10:20:46.211 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:20:46.211 INFO [stderr] 
Dec 14 10:20:47.066 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
Dec 14 10:20:47.071 INFO [stderr] su: No module specific data is present
Dec 14 10:20:48.384 INFO running `"docker" "inspect" "ec28704dad56a4e59fa107d86fee262eaeb37ccf2fc378d17ef5f789b8c7b62c"`
Dec 14 10:20:48.695 INFO running `"docker" "rm" "-f" "ec28704dad56a4e59fa107d86fee262eaeb37ccf2fc378d17ef5f789b8c7b62c"`
Dec 14 10:20:49.013 INFO [stdout] ec28704dad56a4e59fa107d86fee262eaeb37ccf2fc378d17ef5f789b8c7b62c
Dec 14 10:20:49.023 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 14 10:20:49.561 INFO [stdout] 1facc1db11822cf8177adeec68c92d6eea3494971bbae355ed02147c9acebc67
Dec 14 10:20:49.563 INFO running `"docker" "start" "-a" "1facc1db11822cf8177adeec68c92d6eea3494971bbae355ed02147c9acebc67"`
Dec 14 10:20:51.667 INFO [stderr] usermod: no changes
Dec 14 10:20:51.767 INFO [stderr]    Compiling flow v0.1.0 (/source)
Dec 14 10:20:52.538 INFO [stderr] warning: variable does not need to be mutable
Dec 14 10:20:52.539 INFO [stderr]  --> src/main.rs:9:9
Dec 14 10:20:52.539 INFO [stderr]   |
Dec 14 10:20:52.539 INFO [stderr] 9 |     let mut sine     = Sine::new(Node::float(1.0));
Dec 14 10:20:52.539 INFO [stderr]   |         ----^^^^
Dec 14 10:20:52.539 INFO [stderr]   |         |
Dec 14 10:20:52.539 INFO [stderr]   |         help: remove this `mut`
Dec 14 10:20:52.539 INFO [stderr]   |
Dec 14 10:20:52.539 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 14 10:20:52.539 INFO [stderr] 
Dec 14 10:20:52.539 INFO [stderr] warning: variable does not need to be mutable
Dec 14 10:20:52.539 INFO [stderr]   --> src/main.rs:10:9
Dec 14 10:20:52.539 INFO [stderr]    |
Dec 14 10:20:52.539 INFO [stderr] 10 |     let mut freq     = sine * 440.0 + 880.0;
Dec 14 10:20:52.539 INFO [stderr]    |         ----^^^^
Dec 14 10:20:52.539 INFO [stderr]    |         |
Dec 14 10:20:52.539 INFO [stderr]    |         help: remove this `mut`
Dec 14 10:20:52.539 INFO [stderr] 
Dec 14 10:20:52.539 INFO [stderr] warning: variable does not need to be mutable
Dec 14 10:20:52.539 INFO [stderr]   --> src/main.rs:11:9
Dec 14 10:20:52.539 INFO [stderr]    |
Dec 14 10:20:52.539 INFO [stderr] 11 |     let mut saw      = Saw::new(freq);
Dec 14 10:20:52.539 INFO [stderr]    |         ----^^^
Dec 14 10:20:52.539 INFO [stderr]    |         |
Dec 14 10:20:52.539 INFO [stderr]    |         help: remove this `mut`
Dec 14 10:20:52.539 INFO [stderr] 
Dec 14 10:20:52.559 INFO [stderr] warning: method is never used: `new`
Dec 14 10:20:52.559 INFO [stderr]   --> src/node/square.rs:12:5
Dec 14 10:20:52.559 INFO [stderr]    |
Dec 14 10:20:52.559 INFO [stderr] 12 |     pub fn new(frequency: Box<Node>, duty: Box<Node>) -> Box<Node> {
Dec 14 10:20:52.559 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:20:52.559 INFO [stderr]    |
Dec 14 10:20:52.559 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 10:20:52.559 INFO [stderr] 
Dec 14 10:20:52.559 INFO [stderr] warning: method is never used: `new`
Dec 14 10:20:52.559 INFO [stderr]   --> src/node/add.rs:11:5
Dec 14 10:20:52.559 INFO [stderr]    |
Dec 14 10:20:52.559 INFO [stderr] 11 |     pub fn new(term_a: Box<Node>, term_b: Box<Node>) -> Box<Node> {
Dec 14 10:20:52.559 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:20:52.559 INFO [stderr] 
Dec 14 10:20:52.559 INFO [stderr] warning: method is never used: `new`
Dec 14 10:20:52.559 INFO [stderr]   --> src/node/mul.rs:11:5
Dec 14 10:20:52.559 INFO [stderr]    |
Dec 14 10:20:52.559 INFO [stderr] 11 |     pub fn new(term_a: Box<Node>, term_b: Box<Node>) -> Box<Node> {
Dec 14 10:20:52.559 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:20:52.559 INFO [stderr] 
Dec 14 10:20:53.015 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
Dec 14 10:20:53.018 INFO [stderr] su: No module specific data is present
Dec 14 10:20:54.315 INFO running `"docker" "inspect" "1facc1db11822cf8177adeec68c92d6eea3494971bbae355ed02147c9acebc67"`
Dec 14 10:20:54.665 INFO running `"docker" "rm" "-f" "1facc1db11822cf8177adeec68c92d6eea3494971bbae355ed02147c9acebc67"`
Dec 14 10:20:54.961 INFO [stdout] 1facc1db11822cf8177adeec68c92d6eea3494971bbae355ed02147c9acebc67
Dec 14 10:20:54.965 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 14 10:20:55.480 INFO [stdout] 04109d771877acd9e4fd4e8a8f3c777275f026323c41b6bb7f8598692428fcc4
Dec 14 10:20:55.482 INFO running `"docker" "start" "-a" "04109d771877acd9e4fd4e8a8f3c777275f026323c41b6bb7f8598692428fcc4"`
Dec 14 10:20:58.210 INFO [stderr] usermod: no changes
Dec 14 10:20:58.283 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 14 10:20:58.292 INFO [stderr]      Running /target/debug/deps/flow-98ba0c242117368f
Dec 14 10:20:58.292 INFO [stdout] 
Dec 14 10:20:58.292 INFO [stderr] su: No module specific data is present
Dec 14 10:20:58.292 INFO [stdout] running 0 tests
Dec 14 10:20:58.292 INFO [stdout] 
Dec 14 10:20:58.292 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 10:20:58.292 INFO [stdout] 
Dec 14 10:20:59.507 INFO running `"docker" "inspect" "04109d771877acd9e4fd4e8a8f3c777275f026323c41b6bb7f8598692428fcc4"`
Dec 14 10:20:59.959 INFO running `"docker" "rm" "-f" "04109d771877acd9e4fd4e8a8f3c777275f026323c41b6bb7f8598692428fcc4"`
Dec 14 10:21:00.378 INFO [stdout] 04109d771877acd9e4fd4e8a8f3c777275f026323c41b6bb7f8598692428fcc4