[INFO] fetching crate erbium 0.2.12-rc5...
[INFO] checking erbium-0.2.12-rc5 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate erbium 0.2.12-rc5 into /workspace/builds/worker-85/source
[INFO] validating manifest of crates.io crate erbium 0.2.12-rc5 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate erbium 0.2.12-rc5
[INFO] finished tweaking crates.io crate erbium 0.2.12-rc5
[INFO] tweaked toml for crates.io crate erbium 0.2.12-rc5 written to /workspace/builds/worker-85/source/Cargo.toml
[INFO] crate crates.io crate erbium 0.2.12-rc5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49fcfc7cb2291ef4e1517cc49078194c1e81642e92581892cdfe01bdb9548699
[INFO] running `Command { std: "docker" "start" "-a" "49fcfc7cb2291ef4e1517cc49078194c1e81642e92581892cdfe01bdb9548699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49fcfc7cb2291ef4e1517cc49078194c1e81642e92581892cdfe01bdb9548699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49fcfc7cb2291ef4e1517cc49078194c1e81642e92581892cdfe01bdb9548699", kill_on_drop: false }`
[INFO] [stdout] 49fcfc7cb2291ef4e1517cc49078194c1e81642e92581892cdfe01bdb9548699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7b3d355c73fb86b6b913bcf4b965189c36ab11ac504d733fffa21969d2fdf04
[INFO] running `Command { std: "docker" "start" "-a" "f7b3d355c73fb86b6b913bcf4b965189c36ab11ac504d733fffa21969d2fdf04", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
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[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling anyhow v1.0.42
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[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]    Compiling erbium v0.2.12-rc5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking netlink-sys v0.6.0
[INFO] [stderr]     Checking hyper v0.14.11
[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 30.97s
[INFO] running `Command { std: "docker" "inspect" "f7b3d355c73fb86b6b913bcf4b965189c36ab11ac504d733fffa21969d2fdf04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b3d355c73fb86b6b913bcf4b965189c36ab11ac504d733fffa21969d2fdf04", kill_on_drop: false }`
[INFO] [stdout] f7b3d355c73fb86b6b913bcf4b965189c36ab11ac504d733fffa21969d2fdf04
