[INFO] fetching crate dhcpm 0.2.3...
[INFO] checking dhcpm-0.2.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate dhcpm 0.2.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate dhcpm 0.2.3 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dhcpm 0.2.3
[INFO] finished tweaking crates.io crate dhcpm 0.2.3
[INFO] tweaked toml for crates.io crate dhcpm 0.2.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate dhcpm 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pnet_datalink v0.31.0
[INFO] [stderr]   Downloaded serde v1.0.138
[INFO] [stderr]   Downloaded pnet_base v0.31.0
[INFO] [stderr]   Downloaded ipnetwork v0.19.0
[INFO] [stderr]   Downloaded no-std-net v0.6.0
[INFO] [stderr]   Downloaded rhai_codegen v1.4.1
[INFO] [stderr]   Downloaded dhcproto-macros v0.1.0
[INFO] [stderr]   Downloaded dhcproto v0.9.0
[INFO] [stderr]   Downloaded mac_address v1.1.3
[INFO] [stderr]   Downloaded socket2 v0.5.1
[INFO] [stderr]   Downloaded nix v0.24.1
[INFO] [stderr]   Downloaded rhai v1.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09a07fa02942e244f0c2c94e9e90401671a8b8bf32e5956f4c88e1fa163d3682
[INFO] running `Command { std: "docker" "start" "-a" "09a07fa02942e244f0c2c94e9e90401671a8b8bf32e5956f4c88e1fa163d3682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09a07fa02942e244f0c2c94e9e90401671a8b8bf32e5956f4c88e1fa163d3682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09a07fa02942e244f0c2c94e9e90401671a8b8bf32e5956f4c88e1fa163d3682", kill_on_drop: false }`
[INFO] [stdout] 09a07fa02942e244f0c2c94e9e90401671a8b8bf32e5956f4c88e1fa163d3682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d311cba75c624da4c640990f90addfa048156ecde4a12319d24b555b05d2f861
[INFO] running `Command { std: "docker" "start" "-a" "d311cba75c624da4c640990f90addfa048156ecde4a12319d24b555b05d2f861", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling serde v1.0.138
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]    Compiling argh_shared v0.1.7
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking pnet_base v0.31.0
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking pnet_sys v0.31.0
[INFO] [stderr]     Checking nix v0.24.1
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling dhcproto-macros v0.1.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking socket2 v0.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking ctrlc v3.2.2
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking ipnetwork v0.19.0
[INFO] [stderr]     Checking pnet_datalink v0.31.0
[INFO] [stderr]     Checking mac_address v1.1.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling enum-as-inner v0.5.1
[INFO] [stderr]    Compiling argh_derive v0.1.7
[INFO] [stderr]     Checking argh v0.1.7
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking trust-dns-proto v0.22.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.14
[INFO] [stderr]     Checking dhcproto v0.9.0
[INFO] [stderr]     Checking dhcpm v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.13s
[INFO] running `Command { std: "docker" "inspect" "d311cba75c624da4c640990f90addfa048156ecde4a12319d24b555b05d2f861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d311cba75c624da4c640990f90addfa048156ecde4a12319d24b555b05d2f861", kill_on_drop: false }`
[INFO] [stdout] d311cba75c624da4c640990f90addfa048156ecde4a12319d24b555b05d2f861