[INFO] fetching crate erbium 0.2.12-rc3...
[INFO] checking erbium-0.2.12-rc3 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate erbium 0.2.12-rc3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate erbium 0.2.12-rc3 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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-5/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded netlink-packet-utils v0.4.0
[INFO] [stderr]   Downloaded tokio-compat-02 v0.2.0
[INFO] [stderr]   Downloaded derive_arbitrary v1.0.0
[INFO] [stderr]   Downloaded netlink-packet-route v0.7.0
[INFO] [stderr]   Downloaded netlink-packet-core v0.2.4
[INFO] [stderr]   Downloaded arbitrary v1.0.0
[INFO] [stderr]   Downloaded vergen v4.2.0
[INFO] [stderr]   Downloaded netlink-sys v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5af011f1af8cf06cdea93b708371ac35cffacaf0e30cbb4f894d1c5422f84dfb
[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" "5af011f1af8cf06cdea93b708371ac35cffacaf0e30cbb4f894d1c5422f84dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5af011f1af8cf06cdea93b708371ac35cffacaf0e30cbb4f894d1c5422f84dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5af011f1af8cf06cdea93b708371ac35cffacaf0e30cbb4f894d1c5422f84dfb", kill_on_drop: false }`
[INFO] [stdout] 5af011f1af8cf06cdea93b708371ac35cffacaf0e30cbb4f894d1c5422f84dfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6252a50d7ed6f7c2681580b144cd347b46030d2389180ef44e2e26090938f63a
[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" "6252a50d7ed6f7c2681580b144cd347b46030d2389180ef44e2e26090938f63a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.71
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[INFO] [stderr]    Compiling anyhow v1.0.40
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[INFO] [stderr]     Checking fnv v1.0.7
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[INFO] [stderr]    Compiling unicode-normalization v0.1.17
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[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling libz-sys v1.1.3
[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
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
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[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
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[INFO] [stderr]     Checking netlink-packet-utils v0.4.0
[INFO] [stderr]     Checking async-io v1.4.1
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]    Compiling git2 v0.13.18
[INFO] [stderr]     Checking netlink-packet-core v0.2.4
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking netlink-packet-route v0.7.0
[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]     Checking tokio-stream v0.1.5
[INFO] [stderr]     Checking netlink-sys v0.6.0
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]     Checking hyper v0.14.7
[INFO] [stderr]    Compiling erbium v0.2.12-rc3 (/opt/rustwide/workdir)
[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 1m 31s
[INFO] running `Command { std: "docker" "inspect" "6252a50d7ed6f7c2681580b144cd347b46030d2389180ef44e2e26090938f63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6252a50d7ed6f7c2681580b144cd347b46030d2389180ef44e2e26090938f63a", kill_on_drop: false }`
[INFO] [stdout] 6252a50d7ed6f7c2681580b144cd347b46030d2389180ef44e2e26090938f63a