[INFO] fetching crate twistrs 0.6.3...
[INFO] checking twistrs-0.6.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate twistrs 0.6.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate twistrs 0.6.3 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 twistrs 0.6.3
[INFO] finished tweaking crates.io crate twistrs 0.6.3
[INFO] tweaked toml for crates.io crate twistrs 0.6.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 220 packages
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding anes v0.1.6 (latest: v0.2.0)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bytecheck v0.6.12 (latest: v0.7.0)
[INFO] [stderr]       Adding bytecheck_derive v0.6.12 (latest: v0.7.0)
[INFO] [stderr]       Adding cfg_aliases v0.1.1 (latest: v0.2.0)
[INFO] [stderr]       Adding endian-type v0.1.2 (latest: v0.2.0)
[INFO] [stderr]       Adding h2 v0.3.26 (latest: v0.4.4)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding hostname v0.3.1 (latest: v0.4.0)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.0)
[INFO] [stderr]       Adding hyper v0.14.28 (latest: v1.2.0)
[INFO] [stderr]       Adding idna v0.4.0 (latest: v0.5.0)
[INFO] [stderr]       Adding ipnetwork v0.18.0 (latest: v0.20.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding itertools v0.11.0 (latest: v0.12.1)
[INFO] [stderr]       Adding maxminddb v0.23.0 (latest: v0.24.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding ptr_meta v0.1.4 (latest: v0.2.0)
[INFO] [stderr]       Adding ptr_meta_derive v0.1.4 (latest: v0.2.0)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding siphasher v0.3.11 (latest: v1.0.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml_edit v0.21.1 (latest: v0.22.9)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trust-dns-client v0.23.2
[INFO] [stderr]   Downloaded validators v0.25.3
[INFO] [stderr]   Downloaded byte-unit v5.1.4
[INFO] [stderr]   Downloaded enum-ordinalize-derive v4.3.1
[INFO] [stderr]   Downloaded educe v0.5.11
[INFO] [stderr]   Downloaded validators-derive v0.25.2
[INFO] [stderr]   Downloaded addr v0.15.6
[INFO] [stderr]   Downloaded trust-dns-proto v0.23.2
[INFO] [stderr]   Downloaded psl v2.1.30
[INFO] [stderr]   Downloaded async-smtp v0.9.1
[INFO] [stderr]   Downloaded ipnetwork v0.18.0
[INFO] [stderr]   Downloaded maxminddb v0.23.0
[INFO] [stderr]   Downloaded punycode v0.4.1
[INFO] [stderr]   Downloaded enum-ordinalize v4.3.0
[INFO] [stderr]   Downloaded whois-rust v1.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8732abda243f4b68f55c286f4cef2346ee61e05a8ad95b4837d2bd7dddb0475b
[INFO] running `Command { std: "docker" "start" "-a" "8732abda243f4b68f55c286f4cef2346ee61e05a8ad95b4837d2bd7dddb0475b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8732abda243f4b68f55c286f4cef2346ee61e05a8ad95b4837d2bd7dddb0475b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8732abda243f4b68f55c286f4cef2346ee61e05a8ad95b4837d2bd7dddb0475b", kill_on_drop: false }`
[INFO] [stdout] 8732abda243f4b68f55c286f4cef2346ee61e05a8ad95b4837d2bd7dddb0475b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c8c2ac8cf51659a8f0a3c0ef4a05bcfdd916d6f474379cec5efffa6b9664cf2d
[INFO] running `Command { std: "docker" "start" "-a" "c8c2ac8cf51659a8f0a3c0ef4a05bcfdd916d6f474379cec5efffa6b9664cf2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking psl-types v2.0.11
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling punycode v0.4.1
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking psl v2.1.30
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling twistrs v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking addr v0.15.6
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking async-smtp v0.9.1
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.33s
[INFO] running `Command { std: "docker" "inspect" "c8c2ac8cf51659a8f0a3c0ef4a05bcfdd916d6f474379cec5efffa6b9664cf2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c2ac8cf51659a8f0a3c0ef4a05bcfdd916d6f474379cec5efffa6b9664cf2d", kill_on_drop: false }`
[INFO] [stdout] c8c2ac8cf51659a8f0a3c0ef4a05bcfdd916d6f474379cec5efffa6b9664cf2d