Nov 29 22:51:35.859 INFO checking mardiros/janeiro against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 22:51:35.859 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 29 22:51:36.306 INFO [stdout] 7cb0a67ff598a9cb28257d95e6d196faf952cea4d4f51929a9842cc2cfaba224
Nov 29 22:51:36.310 INFO running `"docker" "start" "-a" "7cb0a67ff598a9cb28257d95e6d196faf952cea4d4f51929a9842cc2cfaba224"`
Nov 29 22:51:37.460 INFO [stderr] usermod: no changes
Nov 29 22:51:37.592 INFO [stderr]     Checking net2 v0.2.26
Nov 29 22:51:37.592 INFO [stderr]     Checking nix v0.7.0
Nov 29 22:51:41.390 INFO [stderr]     Checking mio v0.6.1
Nov 29 22:51:42.965 INFO [stderr]     Checking janeiro v0.0.1 (/source)
Nov 29 22:51:44.552 INFO [stderr] warning: variable does not need to be mutable
Nov 29 22:51:44.552 INFO [stderr]    --> src/rio.rs:353:17
Nov 29 22:51:44.552 INFO [stderr]     |
Nov 29 22:51:44.552 INFO [stderr] 353 |             let mut client = &mut self.connections[token].client_mut();
Nov 29 22:51:44.552 INFO [stderr]     |                 ----^^^^^^
Nov 29 22:51:44.552 INFO [stderr]     |                 |
Nov 29 22:51:44.552 INFO [stderr]     |                 help: remove this `mut`
Nov 29 22:51:44.552 INFO [stderr]     |
Nov 29 22:51:44.552 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 22:51:44.552 INFO [stderr] 
Nov 29 22:51:44.764 INFO [stderr] warning: variable does not need to be mutable
Nov 29 22:51:44.764 INFO [stderr]    --> src/rio.rs:353:17
Nov 29 22:51:44.764 INFO [stderr]     |
Nov 29 22:51:44.764 INFO [stderr] 353 |             let mut client = &mut self.connections[token].client_mut();
Nov 29 22:51:44.764 INFO [stderr]     |                 ----^^^^^^
Nov 29 22:51:44.764 INFO [stderr]     |                 |
Nov 29 22:51:44.764 INFO [stderr]     |                 help: remove this `mut`
Nov 29 22:51:44.764 INFO [stderr]     |
Nov 29 22:51:44.764 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 22:51:44.764 INFO [stderr] 
Nov 29 22:51:47.078 INFO [stderr] warning: unused import: `std::str`
Nov 29 22:51:47.078 INFO [stderr]  --> tests/test_echo_server.rs:7:5
Nov 29 22:51:47.078 INFO [stderr]   |
Nov 29 22:51:47.078 INFO [stderr] 7 | use std::str;
Nov 29 22:51:47.078 INFO [stderr]   |     ^^^^^^^^
Nov 29 22:51:47.096 INFO [stderr]   |
Nov 29 22:51:47.097 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 22:51:47.097 INFO [stderr] 
Nov 29 22:51:47.484 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.00s
Nov 29 22:51:47.496 INFO [stderr] su: No module specific data is present
Nov 29 22:51:49.112 INFO running `"docker" "inspect" "7cb0a67ff598a9cb28257d95e6d196faf952cea4d4f51929a9842cc2cfaba224"`
Nov 29 22:51:49.424 INFO running `"docker" "rm" "-f" "7cb0a67ff598a9cb28257d95e6d196faf952cea4d4f51929a9842cc2cfaba224"`
Nov 29 22:51:49.768 INFO [stdout] 7cb0a67ff598a9cb28257d95e6d196faf952cea4d4f51929a9842cc2cfaba224