[INFO] updating cached repository https://github.com/hails/rustnarok
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19c08bee5c6d6d1b5347cdeeef86bddbb38f1b37
[INFO] checking hails/rustnarok against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhails%2Frustnarok" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hails/rustnarok on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hails/rustnarok
[INFO] finished tweaking git repo https://github.com/hails/rustnarok
[INFO] tweaked toml for git repo https://github.com/hails/rustnarok written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/hails/rustnarok already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e92f0a6af06051de20b040461ecf5883a5949b040cae5f8699e283c25c97c424
[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" "e92f0a6af06051de20b040461ecf5883a5949b040cae5f8699e283c25c97c424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e92f0a6af06051de20b040461ecf5883a5949b040cae5f8699e283c25c97c424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e92f0a6af06051de20b040461ecf5883a5949b040cae5f8699e283c25c97c424", kill_on_drop: false }`
[INFO] [stdout] e92f0a6af06051de20b040461ecf5883a5949b040cae5f8699e283c25c97c424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8409a5c56548b3544850b475e1af24dd4b27b4a2aa134fee9ac15908173c7fdc
[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" "8409a5c56548b3544850b475e1af24dd4b27b4a2aa134fee9ac15908173c7fdc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rustnarok v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `le_u16`
[INFO] [stdout]  --> src/packets/incoming.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nom::number::complete::{le_u16, le_u32, le_u8};
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `le_u16`
[INFO] [stdout]  --> src/packets/incoming.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nom::number::complete::{le_u16, le_u32, le_u8};
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 23.57s
[INFO] running `Command { std: "docker" "inspect" "8409a5c56548b3544850b475e1af24dd4b27b4a2aa134fee9ac15908173c7fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8409a5c56548b3544850b475e1af24dd4b27b4a2aa134fee9ac15908173c7fdc", kill_on_drop: false }`
[INFO] [stdout] 8409a5c56548b3544850b475e1af24dd4b27b4a2aa134fee9ac15908173c7fdc