[INFO] cloning repository https://github.com/kimikan/miox-plus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kimikan/miox-plus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimikan%2Fmiox-plus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimikan%2Fmiox-plus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd5d53c7d8efb88afc3e7461da0a2136dcd23b9d
[INFO] testing kimikan/miox-plus against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimikan%2Fmiox-plus" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kimikan/miox-plus on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kimikan/miox-plus
[INFO] finished tweaking git repo https://github.com/kimikan/miox-plus
[INFO] tweaked toml for git repo https://github.com/kimikan/miox-plus written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/kimikan/miox-plus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b33eb7e32e3df04c65605f469dd1b594fb39bd3b091dd87ff06de8fec23017a
[INFO] running `Command { std: "docker" "start" "-a" "4b33eb7e32e3df04c65605f469dd1b594fb39bd3b091dd87ff06de8fec23017a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b33eb7e32e3df04c65605f469dd1b594fb39bd3b091dd87ff06de8fec23017a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b33eb7e32e3df04c65605f469dd1b594fb39bd3b091dd87ff06de8fec23017a", kill_on_drop: false }`
[INFO] [stdout] 4b33eb7e32e3df04c65605f469dd1b594fb39bd3b091dd87ff06de8fec23017a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9843fe31f97282306ceeedd3a2893c0c3785f39ecf59bcb9dcadf40b1dc6c322
[INFO] running `Command { std: "docker" "start" "-a" "9843fe31f97282306ceeedd3a2893c0c3785f39ecf59bcb9dcadf40b1dc6c322", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.26
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling net2 v0.2.29
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling mio v0.6.9
[INFO] [stderr]    Compiling miox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server.rs:158:25
[INFO] [stdout]     |
[INFO] [stdout] 158 |             if let Some(mut c) = client_op {
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "9843fe31f97282306ceeedd3a2893c0c3785f39ecf59bcb9dcadf40b1dc6c322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9843fe31f97282306ceeedd3a2893c0c3785f39ecf59bcb9dcadf40b1dc6c322", kill_on_drop: false }`
[INFO] [stdout] 9843fe31f97282306ceeedd3a2893c0c3785f39ecf59bcb9dcadf40b1dc6c322
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbe87cd4e3a75eea8140a6e53632d758648dae46bb0909bb420f9c098650fdbd
[INFO] running `Command { std: "docker" "start" "-a" "bbe87cd4e3a75eea8140a6e53632d758648dae46bb0909bb420f9c098650fdbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling miox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server.rs:158:25
[INFO] [stdout]     |
[INFO] [stdout] 158 |             if let Some(mut c) = client_op {
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "bbe87cd4e3a75eea8140a6e53632d758648dae46bb0909bb420f9c098650fdbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbe87cd4e3a75eea8140a6e53632d758648dae46bb0909bb420f9c098650fdbd", kill_on_drop: false }`
[INFO] [stdout] bbe87cd4e3a75eea8140a6e53632d758648dae46bb0909bb420f9c098650fdbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7314236d15ecdc81bb6d40f02e8462141c3debee074ec4042c000fcf037a1183
[INFO] running `Command { std: "docker" "start" "-a" "7314236d15ecdc81bb6d40f02e8462141c3debee074ec4042c000fcf037a1183", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/server.rs:158:25
[INFO] [stderr]     |
[INFO] [stderr] 158 |             if let Some(mut c) = client_op {
[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] warning: `miox` (bin "miox" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/miox-ec5e6426bf7ef772)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7314236d15ecdc81bb6d40f02e8462141c3debee074ec4042c000fcf037a1183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7314236d15ecdc81bb6d40f02e8462141c3debee074ec4042c000fcf037a1183", kill_on_drop: false }`
[INFO] [stdout] 7314236d15ecdc81bb6d40f02e8462141c3debee074ec4042c000fcf037a1183