[INFO] fetching crate erbium 0.2.12-rc3...
[INFO] checking erbium-0.2.12-rc3 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate erbium 0.2.12-rc3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate erbium 0.2.12-rc3 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate erbium 0.2.12-rc3
[INFO] finished tweaking crates.io crate erbium 0.2.12-rc3
[INFO] tweaked toml for crates.io crate erbium 0.2.12-rc3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate erbium 0.2.12-rc3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83522e0f5be137656d32762f56308ff71d1beb2faa56d8e42b24aae779423a2d
[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" "83522e0f5be137656d32762f56308ff71d1beb2faa56d8e42b24aae779423a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83522e0f5be137656d32762f56308ff71d1beb2faa56d8e42b24aae779423a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83522e0f5be137656d32762f56308ff71d1beb2faa56d8e42b24aae779423a2d", kill_on_drop: false }`
[INFO] [stdout] 83522e0f5be137656d32762f56308ff71d1beb2faa56d8e42b24aae779423a2d
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] a17022e74caf5bdd3c9773cd3525d102c2818074d5f832966a154a9974e1b2de
[INFO] running `Command { std: "docker" "start" "-a" "a17022e74caf5bdd3c9773cd3525d102c2818074d5f832966a154a9974e1b2de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling memchr v2.4.0
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[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
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[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking fastrand v1.4.1
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[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
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[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling cc v1.0.67
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[INFO] [stderr]    Compiling libgit2-sys v0.12.19+1.1.0
[INFO] [stderr]    Compiling vergen v4.2.0
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
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[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling derive_arbitrary v1.0.0
[INFO] [stderr]    Compiling enum-iterator v0.6.0
[INFO] [stderr]     Checking arbitrary v1.0.0
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking netlink-packet-utils v0.4.0
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking netlink-packet-core v0.2.4
[INFO] [stderr]    Compiling git2 v0.13.18
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking netlink-packet-route v0.7.0
[INFO] [stderr]     Checking async-io v1.4.1
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]    Compiling erbium v0.2.12-rc3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-stream v0.1.5
[INFO] [stderr]     Checking netlink-sys v0.6.0
[INFO] [stderr]     Checking hyper v0.14.7
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]     Checking tokio-compat-02 v0.2.0
[INFO] [stdout] warning: function is never used: `broadcast_failed_renew`
[INFO] [stdout]    --> src/dhcp/test.rs:250:4
[INFO] [stdout]     |
[INFO] [stdout] 250 | fn broadcast_failed_renew() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dhcpinform_dont_check_existing_lease`
[INFO] [stdout]    --> src/dhcp/test.rs:264:4
[INFO] [stdout]     |
[INFO] [stdout] 264 | fn dhcpinform_dont_check_existing_lease() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 41s
[INFO] running `Command { std: "docker" "inspect" "a17022e74caf5bdd3c9773cd3525d102c2818074d5f832966a154a9974e1b2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a17022e74caf5bdd3c9773cd3525d102c2818074d5f832966a154a9974e1b2de", kill_on_drop: false }`
[INFO] [stdout] a17022e74caf5bdd3c9773cd3525d102c2818074d5f832966a154a9974e1b2de