[INFO] crate dhcp4r 0.2.0 is already in cache
[INFO] checking dhcp4r-0.2.0 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate dhcp4r 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate dhcp4r 0.2.0 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 crates.io crate dhcp4r 0.2.0
[INFO] finished tweaking crates.io crate dhcp4r 0.2.0
[INFO] tweaked toml for crates.io crate dhcp4r 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate dhcp4r 0.2.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c700630fbb485b006f96bd426227d2efee41537d1544ea22448cb4cc30301257
[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" "c700630fbb485b006f96bd426227d2efee41537d1544ea22448cb4cc30301257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c700630fbb485b006f96bd426227d2efee41537d1544ea22448cb4cc30301257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c700630fbb485b006f96bd426227d2efee41537d1544ea22448cb4cc30301257", kill_on_drop: false }`
[INFO] [stdout] c700630fbb485b006f96bd426227d2efee41537d1544ea22448cb4cc30301257
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7acf4be95a4fec7780d9e003cafa37be6449f9b0c0187f51ccd97ae79549a9a0
[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" "7acf4be95a4fec7780d9e003cafa37be6449f9b0c0187f51ccd97ae79549a9a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling libc v0.2.64
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking dhcp4r v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/server.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use(u32_bytes, bytes_u32)]
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.15s
[INFO] running `Command { std: "docker" "inspect" "7acf4be95a4fec7780d9e003cafa37be6449f9b0c0187f51ccd97ae79549a9a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7acf4be95a4fec7780d9e003cafa37be6449f9b0c0187f51ccd97ae79549a9a0", kill_on_drop: false }`
[INFO] [stdout] 7acf4be95a4fec7780d9e003cafa37be6449f9b0c0187f51ccd97ae79549a9a0