[INFO] updating cached repository https://github.com/MeirKriheli/rusmux
[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] 09e8c1262296bfc152fbd5ac3ee589cc32d76e57
[INFO] testing MeirKriheli/rusmux against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeirKriheli%2Frusmux" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MeirKriheli/rusmux 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/MeirKriheli/rusmux
[INFO] finished tweaking git repo https://github.com/MeirKriheli/rusmux
[INFO] tweaked toml for git repo https://github.com/MeirKriheli/rusmux written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/MeirKriheli/rusmux 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] 4ea0cc579fdd942f6d8eac1f11416b4bf0a7b966bb0ded1630589dbfe57296a6
[INFO] running `"docker" "start" "-a" "4ea0cc579fdd942f6d8eac1f11416b4bf0a7b966bb0ded1630589dbfe57296a6"`
[INFO] [stderr]    Compiling app_dirs v1.2.1
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling rusmux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `execute`
[INFO] [stderr]   --> src/command.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn execute(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.80s
[INFO] running `"docker" "inspect" "4ea0cc579fdd942f6d8eac1f11416b4bf0a7b966bb0ded1630589dbfe57296a6"`
[INFO] running `"docker" "rm" "-f" "4ea0cc579fdd942f6d8eac1f11416b4bf0a7b966bb0ded1630589dbfe57296a6"`
[INFO] [stdout] 4ea0cc579fdd942f6d8eac1f11416b4bf0a7b966bb0ded1630589dbfe57296a6
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] fdeb9d2abbbe3952f85a3973ca6a5ebdbcb4cdccd64d481e661795b2607ed535
[INFO] running `"docker" "start" "-a" "fdeb9d2abbbe3952f85a3973ca6a5ebdbcb4cdccd64d481e661795b2607ed535"`
[INFO] [stderr]    Compiling rusmux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `execute`
[INFO] [stderr]   --> src/command.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn execute(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "fdeb9d2abbbe3952f85a3973ca6a5ebdbcb4cdccd64d481e661795b2607ed535"`
[INFO] running `"docker" "rm" "-f" "fdeb9d2abbbe3952f85a3973ca6a5ebdbcb4cdccd64d481e661795b2607ed535"`
[INFO] [stdout] fdeb9d2abbbe3952f85a3973ca6a5ebdbcb4cdccd64d481e661795b2607ed535
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] 0a7162762cdf36783ced877a633685c865d21c8263ed474f18c2f86631f801fc
[INFO] running `"docker" "start" "-a" "0a7162762cdf36783ced877a633685c865d21c8263ed474f18c2f86631f801fc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusmux-3420167cda25d7c2
[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" "0a7162762cdf36783ced877a633685c865d21c8263ed474f18c2f86631f801fc"`
[INFO] running `"docker" "rm" "-f" "0a7162762cdf36783ced877a633685c865d21c8263ed474f18c2f86631f801fc"`
[INFO] [stdout] 0a7162762cdf36783ced877a633685c865d21c8263ed474f18c2f86631f801fc