[INFO] fetching crate rocca 0.3.0...
[INFO] checking rocca-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rocca 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate rocca 0.3.0 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 rocca 0.3.0
[INFO] finished tweaking crates.io crate rocca 0.3.0
[INFO] tweaked toml for crates.io crate rocca 0.3.0 written to /workspace/builds/worker-7-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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 46 packages
[INFO] [stderr]       Adding aegis v0.3.0 (latest: v0.6.2)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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 ct-codecs v1.1.1
[INFO] [stderr]   Downloaded polyval v0.6.2
[INFO] [stderr]   Downloaded aegis v0.3.0
[INFO] [stderr]   Downloaded benchmark-simple v0.1.9
[INFO] [stderr]   Downloaded precision v0.1.17
[INFO] [stderr]   Downloaded ghash v0.5.1
[INFO] [stderr]   Downloaded wasix v0.12.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2e55c5745bdd77b0f331ef50269799fd65d6a9fefa434a0bfd8b1d094c236352
[INFO] running `Command { std: "docker" "start" "-a" "2e55c5745bdd77b0f331ef50269799fd65d6a9fefa434a0bfd8b1d094c236352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e55c5745bdd77b0f331ef50269799fd65d6a9fefa434a0bfd8b1d094c236352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e55c5745bdd77b0f331ef50269799fd65d6a9fefa434a0bfd8b1d094c236352", kill_on_drop: false }`
[INFO] [stdout] 2e55c5745bdd77b0f331ef50269799fd65d6a9fefa434a0bfd8b1d094c236352
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] eda020e8a097d94d8a67ce7e1a4a82462f111c82c5150142fc5a10e8cebbef46
[INFO] running `Command { std: "docker" "start" "-a" "eda020e8a097d94d8a67ce7e1a4a82462f111c82c5150142fc5a10e8cebbef46", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling aegis v0.3.0
[INFO] [stderr]     Checking ct-codecs v1.1.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling precision v0.1.17
[INFO] [stderr]     Checking benchmark-simple v0.1.9
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking polyval v0.6.2
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking ghash v0.5.1
[INFO] [stderr]     Checking chacha20poly1305 v0.10.1
[INFO] [stderr]     Checking aes-gcm v0.10.3
[INFO] [stderr]     Checking rocca v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `Command { std: "docker" "inspect" "eda020e8a097d94d8a67ce7e1a4a82462f111c82c5150142fc5a10e8cebbef46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eda020e8a097d94d8a67ce7e1a4a82462f111c82c5150142fc5a10e8cebbef46", kill_on_drop: false }`
[INFO] [stdout] eda020e8a097d94d8a67ce7e1a4a82462f111c82c5150142fc5a10e8cebbef46