[INFO] updating cached repository https://github.com/ypcrts/watcher
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 44fe2ad2c98f55f409746a2183fa514d224baf0d
[INFO] testing ypcrts/watcher against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fypcrts%2Fwatcher" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ypcrts/watcher on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ypcrts/watcher
[INFO] finished tweaking git repo https://github.com/ypcrts/watcher
[INFO] tweaked toml for git repo https://github.com/ypcrts/watcher written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ypcrts/watcher already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] c2b1ab51fad95491812ce052cac31bcc99b1d68e753a665b479c55b830fb2242
[INFO] running `"docker" "start" "-a" "c2b1ab51fad95491812ce052cac31bcc99b1d68e753a665b479c55b830fb2242"`
[INFO] [stderr]    Compiling libc v0.2.26
[INFO] [stderr]    Compiling assert_matches v1.1.0
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling syslog_rfc5424 v0.3.0 (https://github.com/roguelazer/rust-syslog-rfc5424?rev=324ab62d92daf0b698a9d7efe9428b8a398e06f4#324ab62d)
[INFO] [stderr]    Compiling watcher v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/main.rs:11:14
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let (sz, addr) = s.recv_from(&mut buf).unwrap();
[INFO] [stderr]    |              ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut socket = UdpSocket::bind("[::]:10514").expect("couldn't bind");
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.55s
[INFO] running `"docker" "inspect" "c2b1ab51fad95491812ce052cac31bcc99b1d68e753a665b479c55b830fb2242"`
[INFO] running `"docker" "rm" "-f" "c2b1ab51fad95491812ce052cac31bcc99b1d68e753a665b479c55b830fb2242"`
[INFO] [stdout] c2b1ab51fad95491812ce052cac31bcc99b1d68e753a665b479c55b830fb2242
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b513a726a84163a1ba8175ba05bd8d75b5e0c9cdf6d38f90a935fbc6d8bbf57e
[INFO] running `"docker" "start" "-a" "b513a726a84163a1ba8175ba05bd8d75b5e0c9cdf6d38f90a935fbc6d8bbf57e"`
[INFO] [stderr]    Compiling watcher v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/main.rs:11:14
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let (sz, addr) = s.recv_from(&mut buf).unwrap();
[INFO] [stderr]    |              ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut socket = UdpSocket::bind("[::]:10514").expect("couldn't bind");
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `"docker" "inspect" "b513a726a84163a1ba8175ba05bd8d75b5e0c9cdf6d38f90a935fbc6d8bbf57e"`
[INFO] running `"docker" "rm" "-f" "b513a726a84163a1ba8175ba05bd8d75b5e0c9cdf6d38f90a935fbc6d8bbf57e"`
[INFO] [stdout] b513a726a84163a1ba8175ba05bd8d75b5e0c9cdf6d38f90a935fbc6d8bbf57e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 9f02220487003f128d908470a00055faa3f65198c2618e56787bea4398d0b6d0
[INFO] running `"docker" "start" "-a" "9f02220487003f128d908470a00055faa3f65198c2618e56787bea4398d0b6d0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/watcher-f485e823cfe0ff0d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9f02220487003f128d908470a00055faa3f65198c2618e56787bea4398d0b6d0"`
[INFO] running `"docker" "rm" "-f" "9f02220487003f128d908470a00055faa3f65198c2618e56787bea4398d0b6d0"`
[INFO] [stdout] 9f02220487003f128d908470a00055faa3f65198c2618e56787bea4398d0b6d0