Dec 15 04:16:10.273 INFO testing msg-transmitter-0.3.2 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 04:16:10.273 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 15 04:16:10.756 INFO [stdout] bd44074281908c8c3875b5cbab8a0928003369a260c0154a73691220a0aaf60d
Dec 15 04:16:10.758 INFO running `"docker" "start" "-a" "bd44074281908c8c3875b5cbab8a0928003369a260c0154a73691220a0aaf60d"`
Dec 15 04:16:12.703 INFO [stderr] usermod: no changes
Dec 15 04:16:13.020 INFO [stderr]    Compiling msg-transmitter v0.3.2 (/source)
Dec 15 04:16:18.219 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.47s
Dec 15 04:16:18.232 INFO [stderr] su: No module specific data is present
Dec 15 04:16:18.875 INFO running `"docker" "inspect" "bd44074281908c8c3875b5cbab8a0928003369a260c0154a73691220a0aaf60d"`
Dec 15 04:16:19.243 INFO running `"docker" "rm" "-f" "bd44074281908c8c3875b5cbab8a0928003369a260c0154a73691220a0aaf60d"`
Dec 15 04:16:19.538 INFO [stdout] bd44074281908c8c3875b5cbab8a0928003369a260c0154a73691220a0aaf60d
Dec 15 04:16:19.545 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 15 04:16:20.069 INFO [stdout] 8fb212dd7fda3c23b8c64d3f5ba404742508360c28bd314e827d2c11afcfa391
Dec 15 04:16:20.071 INFO running `"docker" "start" "-a" "8fb212dd7fda3c23b8c64d3f5ba404742508360c28bd314e827d2c11afcfa391"`
Dec 15 04:16:21.360 INFO [stderr] usermod: no changes
Dec 15 04:16:21.567 INFO [stderr]    Compiling msg-transmitter v0.3.2 (/source)
Dec 15 04:16:34.410 INFO [stderr] warning: unused import: `futures::sync::mpsc`
Dec 15 04:16:34.411 INFO [stderr]   --> examples/master_and_slave.rs:69:9
Dec 15 04:16:34.411 INFO [stderr]    |
Dec 15 04:16:34.411 INFO [stderr] 69 |     use futures::sync::mpsc;
Dec 15 04:16:34.411 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^
Dec 15 04:16:34.411 INFO [stderr]    |
Dec 15 04:16:34.411 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 15 04:16:34.411 INFO [stderr] 
Dec 15 04:16:34.411 INFO [stderr] warning: unused imports: `Arc`, `Mutex`
Dec 15 04:16:34.411 INFO [stderr]   --> examples/master_and_slave.rs:70:21
Dec 15 04:16:34.411 INFO [stderr]    |
Dec 15 04:16:34.411 INFO [stderr] 70 |     use std::sync::{Arc, Mutex};
Dec 15 04:16:34.411 INFO [stderr]    |                     ^^^  ^^^^^
Dec 15 04:16:34.411 INFO [stderr] 
Dec 15 04:16:34.794 INFO [stderr] warning: unused variable: `now`
Dec 15 04:16:34.794 INFO [stderr]   --> examples/master_and_slave.rs:60:13
Dec 15 04:16:34.794 INFO [stderr]    |
Dec 15 04:16:34.794 INFO [stderr] 60 |         let now = time::Instant::now();
Dec 15 04:16:34.794 INFO [stderr]    |             ^^^ help: consider using `_now` instead
Dec 15 04:16:34.794 INFO [stderr]    |
Dec 15 04:16:34.794 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 15 04:16:34.794 INFO [stderr] 
Dec 15 04:16:45.089 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.71s
Dec 15 04:16:45.098 INFO [stderr] su: No module specific data is present
Dec 15 04:16:45.907 INFO running `"docker" "inspect" "8fb212dd7fda3c23b8c64d3f5ba404742508360c28bd314e827d2c11afcfa391"`
Dec 15 04:16:46.240 INFO running `"docker" "rm" "-f" "8fb212dd7fda3c23b8c64d3f5ba404742508360c28bd314e827d2c11afcfa391"`
Dec 15 04:16:46.519 INFO [stdout] 8fb212dd7fda3c23b8c64d3f5ba404742508360c28bd314e827d2c11afcfa391
Dec 15 04:16:46.527 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 15 04:16:47.008 INFO [stdout] 470b2225a0eb1b3cfd3c451cfacf3ddc2beddc8283e6dc7245a4e5f674a21c5d
Dec 15 04:16:47.009 INFO running `"docker" "start" "-a" "470b2225a0eb1b3cfd3c451cfacf3ddc2beddc8283e6dc7245a4e5f674a21c5d"`
Dec 15 04:16:48.132 INFO [stderr] usermod: no changes
Dec 15 04:16:48.371 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
Dec 15 04:16:48.408 INFO [stderr]      Running /target/debug/deps/msg_transmitter-71fb564faef55fa0
Dec 15 04:16:48.410 INFO [stdout] 
Dec 15 04:16:48.410 INFO [stdout] running 0 tests
Dec 15 04:16:48.410 INFO [stdout] 
Dec 15 04:16:48.410 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 04:16:48.410 INFO [stdout] 
Dec 15 04:16:48.419 INFO [stderr]      Running /target/debug/deps/test-e4653ab76c964a47
Dec 15 04:16:48.419 INFO [stdout] 
Dec 15 04:16:48.419 INFO [stdout] running 1 test
Dec 15 04:16:50.625 INFO [stdout] test test_vecu8_u64 ... ok
Dec 15 04:16:50.625 INFO [stdout] 
Dec 15 04:16:50.625 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 04:16:50.625 INFO [stdout] 
Dec 15 04:16:50.625 INFO [stderr]    Doc-tests msg-transmitter
Dec 15 04:16:57.535 INFO [stdout] 
Dec 15 04:16:57.535 INFO [stdout] running 0 tests
Dec 15 04:16:57.535 INFO [stdout] 
Dec 15 04:16:57.535 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 04:16:57.535 INFO [stdout] 
Dec 15 04:16:57.567 INFO [stderr] su: No module specific data is present
Dec 15 04:16:58.211 INFO running `"docker" "inspect" "470b2225a0eb1b3cfd3c451cfacf3ddc2beddc8283e6dc7245a4e5f674a21c5d"`
Dec 15 04:16:58.517 INFO running `"docker" "rm" "-f" "470b2225a0eb1b3cfd3c451cfacf3ddc2beddc8283e6dc7245a4e5f674a21c5d"`
Dec 15 04:16:58.756 INFO [stdout] 470b2225a0eb1b3cfd3c451cfacf3ddc2beddc8283e6dc7245a4e5f674a21c5d