Dec 12 17:50:26.350 INFO checking axon-0.1.6 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 17:50:26.350 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-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 12 17:50:26.680 INFO [stdout] 34acd120ffb2fa7a017170592d0f5657aeb4af1b1ab1f8103f5317109d2112d1
Dec 12 17:50:26.684 INFO running `"docker" "start" "-a" "34acd120ffb2fa7a017170592d0f5657aeb4af1b1ab1f8103f5317109d2112d1"`
Dec 12 17:50:27.237 INFO [stderr] usermod: no changes
Dec 12 17:50:27.350 INFO [stderr]     Checking tokio-reactor v0.1.7
Dec 12 17:50:29.739 INFO [stderr]     Checking tokio-tcp v0.1.2
Dec 12 17:50:29.739 INFO [stderr]     Checking tokio-udp v0.1.3
Dec 12 17:50:29.739 INFO [stderr]     Checking tokio-uds v0.2.4
Dec 12 17:50:33.621 INFO [stderr]     Checking tokio v0.1.13
Dec 12 17:50:37.444 INFO [stderr]     Checking axon v0.1.6 (/source)
Dec 12 17:50:50.512 INFO [stderr] warning: unused import: `Read`
Dec 12 17:50:50.512 INFO [stderr]  --> examples/hello.rs:3:15
Dec 12 17:50:50.512 INFO [stderr]   |
Dec 12 17:50:50.512 INFO [stderr] 3 | use std::io::{Read,Write};
Dec 12 17:50:50.512 INFO [stderr]   |               ^^^^
Dec 12 17:50:50.512 INFO [stderr]   |
Dec 12 17:50:50.512 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 17:50:50.512 INFO [stderr] 
Dec 12 17:50:50.552 INFO [stderr] warning: unused variable: `b`
Dec 12 17:50:50.552 INFO [stderr]  --> examples/hello.rs:7:13
Dec 12 17:50:50.552 INFO [stderr]   |
Dec 12 17:50:50.552 INFO [stderr] 7 |     let mut b = vec![0;10];
Dec 12 17:50:50.552 INFO [stderr]   |             ^ help: consider using `_b` instead
Dec 12 17:50:50.552 INFO [stderr]   |
Dec 12 17:50:50.552 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 17:50:50.552 INFO [stderr] 
Dec 12 17:50:50.554 INFO [stderr] warning: variable does not need to be mutable
Dec 12 17:50:50.554 INFO [stderr]  --> examples/hello.rs:7:9
Dec 12 17:50:50.554 INFO [stderr]   |
Dec 12 17:50:50.554 INFO [stderr] 7 |     let mut b = vec![0;10];
Dec 12 17:50:50.554 INFO [stderr]   |         ----^
Dec 12 17:50:50.554 INFO [stderr]   |         |
Dec 12 17:50:50.554 INFO [stderr]   |         help: remove this `mut`
Dec 12 17:50:50.554 INFO [stderr]   |
Dec 12 17:50:50.554 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 12 17:50:50.554 INFO [stderr] 
Dec 12 17:50:50.590 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.32s
Dec 12 17:50:50.600 INFO [stderr] su: No module specific data is present
Dec 12 17:50:50.934 INFO running `"docker" "inspect" "34acd120ffb2fa7a017170592d0f5657aeb4af1b1ab1f8103f5317109d2112d1"`
Dec 12 17:50:51.072 INFO running `"docker" "rm" "-f" "34acd120ffb2fa7a017170592d0f5657aeb4af1b1ab1f8103f5317109d2112d1"`
Dec 12 17:50:51.280 INFO [stdout] 34acd120ffb2fa7a017170592d0f5657aeb4af1b1ab1f8103f5317109d2112d1