[INFO] fetching crate ip-roam 0.2.2...
[INFO] checking ip-roam-0.2.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ip-roam 0.2.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ip-roam 0.2.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ip-roam 0.2.2
[INFO] finished tweaking crates.io crate ip-roam 0.2.2
[INFO] tweaked toml for crates.io crate ip-roam 0.2.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate ip-roam 0.2.2 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded netlink-proto v0.11.2
[INFO] [stderr]   Downloaded futures v0.3.29
[INFO] [stderr]   Downloaded futures-executor v0.3.29
[INFO] [stderr]   Downloaded futures-io v0.3.29
[INFO] [stderr]   Downloaded futures-macro v0.3.29
[INFO] [stderr]   Downloaded rtnetlink v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10cbff584ccd10f28d2f1ac032e134d5d0e3e200377cfb16990b60d6a8ec7046
[INFO] running `Command { std: "docker" "start" "-a" "10cbff584ccd10f28d2f1ac032e134d5d0e3e200377cfb16990b60d6a8ec7046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10cbff584ccd10f28d2f1ac032e134d5d0e3e200377cfb16990b60d6a8ec7046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10cbff584ccd10f28d2f1ac032e134d5d0e3e200377cfb16990b60d6a8ec7046", kill_on_drop: false }`
[INFO] [stdout] 10cbff584ccd10f28d2f1ac032e134d5d0e3e200377cfb16990b60d6a8ec7046
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de76fe970b266822c760817fad8622233d2d85d0da763f634caef5ca55fcb9f1
[INFO] running `Command { std: "docker" "start" "-a" "de76fe970b266822c760817fad8622233d2d85d0da763f634caef5ca55fcb9f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking netlink-packet-utils v0.5.2
[INFO] [stderr]     Checking netlink-packet-core v0.7.0
[INFO] [stderr]     Checking netlink-packet-route v0.17.1
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking netlink-sys v0.8.5
[INFO] [stderr]     Checking netlink-proto v0.11.2
[INFO] [stderr]     Checking rtnetlink v0.13.1
[INFO] [stderr]     Checking ip-roam v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.62s
[INFO] running `Command { std: "docker" "inspect" "de76fe970b266822c760817fad8622233d2d85d0da763f634caef5ca55fcb9f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de76fe970b266822c760817fad8622233d2d85d0da763f634caef5ca55fcb9f1", kill_on_drop: false }`
[INFO] [stdout] de76fe970b266822c760817fad8622233d2d85d0da763f634caef5ca55fcb9f1