[INFO] cloning repository https://github.com/PMFU/PMFUMetaServer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PMFU/PMFUMetaServer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPMFU%2FPMFUMetaServer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPMFU%2FPMFUMetaServer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4646f7effc195bacd7479637c09ec88332ab021
[INFO] checking PMFU/PMFUMetaServer against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPMFU%2FPMFUMetaServer" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PMFU/PMFUMetaServer on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PMFU/PMFUMetaServer
[INFO] finished tweaking git repo https://github.com/PMFU/PMFUMetaServer
[INFO] tweaked toml for git repo https://github.com/PMFU/PMFUMetaServer written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/PMFU/PMFUMetaServer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", 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] 731518515d1cd140fe78cefad9018bbab463b0b3e84a61d7dba6ff18a43c4d80
[INFO] running `Command { std: "docker" "start" "-a" "731518515d1cd140fe78cefad9018bbab463b0b3e84a61d7dba6ff18a43c4d80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "731518515d1cd140fe78cefad9018bbab463b0b3e84a61d7dba6ff18a43c4d80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "731518515d1cd140fe78cefad9018bbab463b0b3e84a61d7dba6ff18a43c4d80", kill_on_drop: false }`
[INFO] [stdout] 731518515d1cd140fe78cefad9018bbab463b0b3e84a61d7dba6ff18a43c4d80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] fdfa7ddebe68bf1dd3cfbe91c49024e443a078b35c77b16fb74506826521a7fb
[INFO] running `Command { std: "docker" "start" "-a" "fdfa7ddebe68bf1dd3cfbe91c49024e443a078b35c77b16fb74506826521a7fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling clang-sys v0.22.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking xmltree v0.10.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling enum-utils-from-str v0.1.2
[INFO] [stderr]    Compiling bindgen v0.35.0
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]     Checking attohttpc v0.16.3
[INFO] [stderr]     Checking igd v0.12.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling enum-utils v0.1.2
[INFO] [stderr]    Compiling enet-sys v0.2.3
[INFO] [stderr]     Checking enet v0.2.3
[INFO] [stderr]     Checking pmfumeta_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]   --> src/main.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |             let length = packet
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]   --> src/main.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |             let length = packet
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 27.66s
[INFO] running `Command { std: "docker" "inspect" "fdfa7ddebe68bf1dd3cfbe91c49024e443a078b35c77b16fb74506826521a7fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdfa7ddebe68bf1dd3cfbe91c49024e443a078b35c77b16fb74506826521a7fb", kill_on_drop: false }`
[INFO] [stdout] fdfa7ddebe68bf1dd3cfbe91c49024e443a078b35c77b16fb74506826521a7fb