[INFO] fetching crate ratman-harness 0.1.0...
[INFO] checking ratman-harness-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ratman-harness 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ratman-harness 0.1.0 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 ratman-harness 0.1.0
[INFO] finished tweaking crates.io crate ratman-harness 0.1.0
[INFO] tweaked toml for crates.io crate ratman-harness 0.1.0 written to /workspace/builds/worker-5-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]      Locking 163 packages
[INFO] [stderr]       Adding as-slice v0.1.5 (latest: v0.2.1)
[INFO] [stderr]       Adding async-channel v1.9.0 (latest: v2.2.0)
[INFO] [stderr]       Adding async-io v1.13.0 (latest: v2.3.2)
[INFO] [stderr]       Adding async-lock v2.8.0 (latest: v3.3.0)
[INFO] [stderr]       Adding async-process v1.8.1 (latest: v2.2.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding blake2 v0.8.1 (latest: v0.10.6)
[INFO] [stderr]       Adding crypto-mac v0.7.0 (latest: v0.11.1)
[INFO] [stderr]       Adding digest v0.8.1 (latest: v0.10.7)
[INFO] [stderr]       Adding event-listener v2.5.3 (latest: v5.3.0)
[INFO] [stderr]       Adding event-listener v3.1.0 (latest: v5.3.0)
[INFO] [stderr]       Adding event-listener v4.0.3 (latest: v5.3.0)
[INFO] [stderr]       Adding event-listener-strategy v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.0.2)
[INFO] [stderr]       Adding futures-lite v1.13.0 (latest: v2.3.0)
[INFO] [stderr]       Adding generic-array v0.12.4 (latest: v1.0.0)
[INFO] [stderr]       Adding generic-array v0.13.3 (latest: v1.0.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
[INFO] [stderr]       Adding gloo-timers v0.2.6 (latest: v0.3.0)
[INFO] [stderr]       Adding hash32 v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding heapless v0.5.6 (latest: v0.8.0)
[INFO] [stderr]       Adding io-lifetimes v1.0.11 (latest: v2.0.3)
[INFO] [stderr]       Adding linux-raw-sys v0.3.8 (latest: v0.6.4)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding opaque-debug v0.2.3 (latest: v0.3.1)
[INFO] [stderr]       Adding polling v2.8.0 (latest: v3.6.0)
[INFO] [stderr]       Adding postcard v0.4.3 (latest: v1.0.8)
[INFO] [stderr]       Adding postcard-cobs v0.1.5-pre (latest: v0.2.0)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding ratman v0.2.2 (latest: v0.5.0)
[INFO] [stderr]       Adding rustix v0.37.27 (latest: v0.38.32)
[INFO] [stderr]       Adding socket2 v0.4.10 (latest: v0.5.6)
[INFO] [stderr]       Adding subtle v1.0.0 (latest: v2.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding task-notify v0.1.0 (latest: v1.0.0)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[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] 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 ratman-netmod v0.5.1
[INFO] [stderr]   Downloaded ratman-identity v0.6.2
[INFO] [stderr]   Downloaded conjoiner-engine v1.2.3
[INFO] [stderr]   Downloaded postcard v0.4.3
[INFO] [stderr]   Downloaded blake2 v0.8.1
[INFO] [stderr]   Downloaded netmod-mem v0.4.0
[INFO] [stderr]   Downloaded clockctrl v0.1.0
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] [stderr]   Downloaded postcard-cobs v0.1.5-pre
[INFO] [stderr]   Downloaded heapless v0.5.6
[INFO] [stderr]   Downloaded task-notify v0.1.0
[INFO] [stderr]   Downloaded ratman v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7fefbd60e4788d2fe8017f1a448bd16b351df3ad70da2c667c3d1953593c794b
[INFO] running `Command { std: "docker" "start" "-a" "7fefbd60e4788d2fe8017f1a448bd16b351df3ad70da2c667c3d1953593c794b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fefbd60e4788d2fe8017f1a448bd16b351df3ad70da2c667c3d1953593c794b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fefbd60e4788d2fe8017f1a448bd16b351df3ad70da2c667c3d1953593c794b", kill_on_drop: false }`
[INFO] [stdout] 7fefbd60e4788d2fe8017f1a448bd16b351df3ad70da2c667c3d1953593c794b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1d57bc7b3ddac7be9b636dab3582e9d0901ebfbea4a8e78fb389b145ba6983dc
[INFO] running `Command { std: "docker" "start" "-a" "1d57bc7b3ddac7be9b636dab3582e9d0901ebfbea4a8e78fb389b145ba6983dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking value-bag v1.8.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking event-listener v5.3.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking async-channel v2.2.0
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking async-executor v1.9.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking postcard-cobs v0.1.5-pre
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking postcard v0.4.3
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking conjoiner-engine v1.2.3
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking ratman-identity v0.6.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking ratman-netmod v0.5.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking task-notify v0.1.0
[INFO] [stderr]     Checking arbitrary v1.3.2
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking polling v3.6.0
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking async-io v2.3.2
[INFO] [stderr]     Checking async-signal v0.2.5
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-process v1.8.1
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking clockctrl v0.1.0
[INFO] [stderr]     Checking netmod-mem v0.4.0
[INFO] [stderr]     Checking ratman v0.2.2
[INFO] [stderr]     Checking ratman-harness v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.45s
[INFO] running `Command { std: "docker" "inspect" "1d57bc7b3ddac7be9b636dab3582e9d0901ebfbea4a8e78fb389b145ba6983dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d57bc7b3ddac7be9b636dab3582e9d0901ebfbea4a8e78fb389b145ba6983dc", kill_on_drop: false }`
[INFO] [stdout] 1d57bc7b3ddac7be9b636dab3582e9d0901ebfbea4a8e78fb389b145ba6983dc