[INFO] fetching crate dhcpm 0.2.3...
[INFO] checking dhcpm-0.2.3 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate dhcpm 0.2.3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate dhcpm 0.2.3 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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-6-tc2/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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 169b0185a6ad130fe1070a3e46c10e8c10ac1d96e855278061bc98c627b3d3ee
[INFO] running `Command { std: "docker" "start" "-a" "169b0185a6ad130fe1070a3e46c10e8c10ac1d96e855278061bc98c627b3d3ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "169b0185a6ad130fe1070a3e46c10e8c10ac1d96e855278061bc98c627b3d3ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "169b0185a6ad130fe1070a3e46c10e8c10ac1d96e855278061bc98c627b3d3ee", kill_on_drop: false }`
[INFO] [stdout] 169b0185a6ad130fe1070a3e46c10e8c10ac1d96e855278061bc98c627b3d3ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97cb6be8dfbcc9d6d89ef03877f18f75c8e2c2dad737a2553fac1e7ae4ce1cd0
[INFO] running `Command { std: "docker" "start" "-a" "97cb6be8dfbcc9d6d89ef03877f18f75c8e2c2dad737a2553fac1e7ae4ce1cd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling serde v1.0.138
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling argh_shared v0.1.7
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking pnet_base v0.31.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling dhcproto-macros v0.1.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking nix v0.24.1
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking pnet_sys v0.31.0
[INFO] [stderr]     Checking socket2 v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking ctrlc v3.2.2
[INFO] [stderr]     Checking matchers v0.1.0
[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 thiserror v1.0.31
[INFO] [stderr]     Checking argh v0.1.7
[INFO] [stderr]     Checking tracing v0.1.34
[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 18.63s
[INFO] running `Command { std: "docker" "inspect" "97cb6be8dfbcc9d6d89ef03877f18f75c8e2c2dad737a2553fac1e7ae4ce1cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97cb6be8dfbcc9d6d89ef03877f18f75c8e2c2dad737a2553fac1e7ae4ce1cd0", kill_on_drop: false }`
[INFO] [stdout] 97cb6be8dfbcc9d6d89ef03877f18f75c8e2c2dad737a2553fac1e7ae4ce1cd0