[INFO] cloning repository https://github.com/andrewhavck/udp_to_disk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewhavck/udp_to_disk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewhavck%2Fudp_to_disk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewhavck%2Fudp_to_disk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80eb151d4a843651ac727903e1aa67d34ea38043
[INFO] checking andrewhavck/udp_to_disk against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewhavck%2Fudp_to_disk" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewhavck/udp_to_disk on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewhavck/udp_to_disk
[INFO] finished tweaking git repo https://github.com/andrewhavck/udp_to_disk
[INFO] tweaked toml for git repo https://github.com/andrewhavck/udp_to_disk written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewhavck/udp_to_disk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8b8953257d531a069bfd6635d5cb272fccc5fcb31c4e5e1ba3476bbb0f381e8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c8b8953257d531a069bfd6635d5cb272fccc5fcb31c4e5e1ba3476bbb0f381e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8b8953257d531a069bfd6635d5cb272fccc5fcb31c4e5e1ba3476bbb0f381e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b8953257d531a069bfd6635d5cb272fccc5fcb31c4e5e1ba3476bbb0f381e8", kill_on_drop: false }`
[INFO] [stdout] c8b8953257d531a069bfd6635d5cb272fccc5fcb31c4e5e1ba3476bbb0f381e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 24552f24417de7b82392f3fb5bc2e86bcfcc5b781e801a6790e63f89dfcf013f
[INFO] running `Command { std: "docker" "start" "-a" "24552f24417de7b82392f3fb5bc2e86bcfcc5b781e801a6790e63f89dfcf013f", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking futures v0.1.7
[INFO] [stderr]     Checking tokio-service v0.1.0 (https://github.com/tokio-rs/tokio-service#7ef3f1f7)
[INFO] [stderr]     Checking mio v0.6.2
[INFO] [stderr]     Checking tokio-core v0.1.2
[INFO] [stderr]     Checking tokio-proto v0.1.0 (https://github.com/tokio-rs/tokio-proto#e42b3bfb)
[INFO] [stderr]     Checking udp_to_disk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         try!(f.write_all(&result.into_bytes()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         try!(f.write_all(&result.into_bytes()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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 [unoptimized + debuginfo] target(s) in 9.04s
[INFO] running `Command { std: "docker" "inspect" "24552f24417de7b82392f3fb5bc2e86bcfcc5b781e801a6790e63f89dfcf013f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24552f24417de7b82392f3fb5bc2e86bcfcc5b781e801a6790e63f89dfcf013f", kill_on_drop: false }`
[INFO] [stdout] 24552f24417de7b82392f3fb5bc2e86bcfcc5b781e801a6790e63f89dfcf013f