[INFO] fetching crate moshudp 0.1.4...
[INFO] building moshudp-0.1.4 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate moshudp 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate moshudp 0.1.4
[INFO] finished tweaking crates.io crate moshudp 0.1.4
[INFO] tweaked toml for crates.io crate moshudp 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate moshudp 0.1.4 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate moshudp 0.1.4 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbef9c94548b307be4e7d29b291da7e9d392a5e23fd1d061b3c3bdf84ac11b65
[INFO] running `Command { std: "docker" "start" "-a" "fbef9c94548b307be4e7d29b291da7e9d392a5e23fd1d061b3c3bdf84ac11b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbef9c94548b307be4e7d29b291da7e9d392a5e23fd1d061b3c3bdf84ac11b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbef9c94548b307be4e7d29b291da7e9d392a5e23fd1d061b3c3bdf84ac11b65", kill_on_drop: false }`
[INFO] [stdout] fbef9c94548b307be4e7d29b291da7e9d392a5e23fd1d061b3c3bdf84ac11b65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cef6adb6e01e5df767b2a69c252ca30197fc6da0fbdf1dea85e418a8d41204f
[INFO] running `Command { std: "docker" "start" "-a" "3cef6adb6e01e5df767b2a69c252ca30197fc6da0fbdf1dea85e418a8d41204f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling zeroize v1.4.3
[INFO] [stderr]    Compiling argh_shared v0.1.7
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling aead v0.4.3
[INFO] [stderr]    Compiling poly1305 v0.7.2
[INFO] [stderr]    Compiling chacha20 v0.8.1
[INFO] [stderr]    Compiling chacha20poly1305 v0.9.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling gumdrop_derive v0.8.1
[INFO] [stderr]    Compiling argh_derive v0.1.7
[INFO] [stderr]    Compiling gumdrop v0.8.1
[INFO] [stderr]    Compiling argh v0.1.7
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.53s
[INFO] running `Command { std: "docker" "inspect" "3cef6adb6e01e5df767b2a69c252ca30197fc6da0fbdf1dea85e418a8d41204f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cef6adb6e01e5df767b2a69c252ca30197fc6da0fbdf1dea85e418a8d41204f", kill_on_drop: false }`
[INFO] [stdout] 3cef6adb6e01e5df767b2a69c252ca30197fc6da0fbdf1dea85e418a8d41204f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 974d0568233daba74b590ba82da4ef515c5339c5d37b0a28e88343b56e20b7f4
[INFO] running `Command { std: "docker" "start" "-a" "974d0568233daba74b590ba82da4ef515c5339c5d37b0a28e88343b56e20b7f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "974d0568233daba74b590ba82da4ef515c5339c5d37b0a28e88343b56e20b7f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "974d0568233daba74b590ba82da4ef515c5339c5d37b0a28e88343b56e20b7f4", kill_on_drop: false }`
[INFO] [stdout] 974d0568233daba74b590ba82da4ef515c5339c5d37b0a28e88343b56e20b7f4