[INFO] cloning repository https://github.com/vi/moshudp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vi/moshudp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvi%2Fmoshudp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvi%2Fmoshudp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8798c59efa0636f86628ef18cff29dfee4bed7f3
[INFO] checking vi/moshudp against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvi%2Fmoshudp" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vi/moshudp on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vi/moshudp
[INFO] finished tweaking git repo https://github.com/vi/moshudp
[INFO] tweaked toml for git repo https://github.com/vi/moshudp written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vi/moshudp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argh v0.1.7
[INFO] [stderr]   Downloaded argh_derive v0.1.7
[INFO] [stderr]   Downloaded argh_shared v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86aab23c48d5c2b4b6b74da93b4564aaad6256d646b3f30cb50166e0c792504f
[INFO] running `Command { std: "docker" "start" "-a" "86aab23c48d5c2b4b6b74da93b4564aaad6256d646b3f30cb50166e0c792504f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86aab23c48d5c2b4b6b74da93b4564aaad6256d646b3f30cb50166e0c792504f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86aab23c48d5c2b4b6b74da93b4564aaad6256d646b3f30cb50166e0c792504f", kill_on_drop: false }`
[INFO] [stdout] 86aab23c48d5c2b4b6b74da93b4564aaad6256d646b3f30cb50166e0c792504f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 761fb9105d7a128749df8c6517810be1b072dfbfe8ca15df5f23514d12858460
[INFO] running `Command { std: "docker" "start" "-a" "761fb9105d7a128749df8c6517810be1b072dfbfe8ca15df5f23514d12858460", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling argh_shared v0.1.7
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]     Checking poly1305 v0.7.2
[INFO] [stderr]     Checking chacha20 v0.8.1
[INFO] [stderr]     Checking chacha20poly1305 v0.9.0
[INFO] [stderr]    Compiling argh_derive v0.1.7
[INFO] [stderr]    Compiling gumdrop_derive v0.8.1
[INFO] [stderr]     Checking argh v0.1.7
[INFO] [stderr]     Checking gumdrop v0.8.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking moshudp v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/server.rs:167:35
[INFO] [stdout]     |
[INFO] [stdout] 167 |                         Ok(sz) => (&buf[..sz]),
[INFO] [stdout]     |                                   ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 167 -                         Ok(sz) => (&buf[..sz]),
[INFO] [stdout] 167 +                         Ok(sz) => &buf[..sz],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/server.rs:167:35
[INFO] [stdout]     |
[INFO] [stdout] 167 |                         Ok(sz) => (&buf[..sz]),
[INFO] [stdout]     |                                   ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 167 -                         Ok(sz) => (&buf[..sz]),
[INFO] [stdout] 167 +                         Ok(sz) => &buf[..sz],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.98s
[INFO] running `Command { std: "docker" "inspect" "761fb9105d7a128749df8c6517810be1b072dfbfe8ca15df5f23514d12858460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761fb9105d7a128749df8c6517810be1b072dfbfe8ca15df5f23514d12858460", kill_on_drop: false }`
[INFO] [stdout] 761fb9105d7a128749df8c6517810be1b072dfbfe8ca15df5f23514d12858460