[INFO] fetching crate xenet 0.2.0...
[INFO] checking xenet-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate xenet 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate xenet 0.2.0 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 xenet 0.2.0
[INFO] removed 7 missing examples
[INFO] finished tweaking crates.io crate xenet 0.2.0
[INFO] tweaked toml for crates.io crate xenet 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate xenet 0.2.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xenet-core v0.2.0
[INFO] [stderr]   Downloaded xenet-macro-helper v0.2.0
[INFO] [stderr]   Downloaded xenet-sys v0.2.0
[INFO] [stderr]   Downloaded xenet-macro v0.2.0
[INFO] [stderr]   Downloaded memalloc v0.1.0
[INFO] [stderr]   Downloaded xenet-socket v0.2.0
[INFO] [stderr]   Downloaded xenet-packet v0.2.0
[INFO] [stderr]   Downloaded pcap v1.1.0
[INFO] [stderr]   Downloaded xenet-datalink v0.2.0
[INFO] [stderr]   Downloaded xenet-packet-builder v0.2.0
[INFO] [stderr]   Downloaded default-net v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 97180d24aacdd9fc52c255297a07c494a59444eaeefbd82a88a2430a0652fb38
[INFO] running `Command { std: "docker" "start" "-a" "97180d24aacdd9fc52c255297a07c494a59444eaeefbd82a88a2430a0652fb38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97180d24aacdd9fc52c255297a07c494a59444eaeefbd82a88a2430a0652fb38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97180d24aacdd9fc52c255297a07c494a59444eaeefbd82a88a2430a0652fb38", kill_on_drop: false }`
[INFO] [stdout] 97180d24aacdd9fc52c255297a07c494a59444eaeefbd82a88a2430a0652fb38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0c37c3c534d774d8a7af4cd280ff7755d9bd7d49b79aea7a82bd5c38460480ac
[INFO] running `Command { std: "docker" "start" "-a" "0c37c3c534d774d8a7af4cd280ff7755d9bd7d49b79aea7a82bd5c38460480ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking concurrent-queue v2.3.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking default-net v0.21.0
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking xenet-sys v0.2.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rustix v0.37.27
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking xenet-core v0.2.0
[INFO] [stderr]     Checking xenet-macro-helper v0.2.0
[INFO] [stderr]     Checking xenet-datalink v0.2.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling xenet-macro v0.2.0
[INFO] [stderr]     Checking xenet-packet v0.2.0
[INFO] [stderr]     Checking xenet-packet-builder v0.2.0
[INFO] [stderr]     Checking xenet-socket v0.2.0
[INFO] [stderr]     Checking xenet v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.97s
[INFO] running `Command { std: "docker" "inspect" "0c37c3c534d774d8a7af4cd280ff7755d9bd7d49b79aea7a82bd5c38460480ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c37c3c534d774d8a7af4cd280ff7755d9bd7d49b79aea7a82bd5c38460480ac", kill_on_drop: false }`
[INFO] [stdout] 0c37c3c534d774d8a7af4cd280ff7755d9bd7d49b79aea7a82bd5c38460480ac