[INFO] fetching crate tower-ready-cache 0.3.1...
[INFO] checking tower-ready-cache-0.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate tower-ready-cache 0.3.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate tower-ready-cache 0.3.1 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 tower-ready-cache 0.3.1
[INFO] finished tweaking crates.io crate tower-ready-cache 0.3.1
[INFO] tweaked toml for crates.io crate tower-ready-cache 0.3.1 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]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages
[INFO] [stderr]       Adding bytes v0.5.6 (latest: v1.6.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding pin-project v0.4.30 (latest: v1.1.5)
[INFO] [stderr]       Adding pin-project-internal v0.4.30 (latest: v1.1.5)
[INFO] [stderr]       Adding pin-project-lite v0.1.12 (latest: v0.2.14)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding tokio v0.2.25 (latest: v1.37.0)
[INFO] [stderr]       Adding tokio-test v0.2.1 (latest: v0.4.4)
[INFO] [stderr]       Adding tower-test v0.3.0 (latest: v0.4.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-test v0.2.1
[INFO] [stderr]   Downloaded tower-test v0.3.0
[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] a09306aa5d7a6befc12a78b82bd0402ce50df39b496aa992c7309775c7b275c4
[INFO] running `Command { std: "docker" "start" "-a" "a09306aa5d7a6befc12a78b82bd0402ce50df39b496aa992c7309775c7b275c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a09306aa5d7a6befc12a78b82bd0402ce50df39b496aa992c7309775c7b275c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a09306aa5d7a6befc12a78b82bd0402ce50df39b496aa992c7309775c7b275c4", kill_on_drop: false }`
[INFO] [stdout] a09306aa5d7a6befc12a78b82bd0402ce50df39b496aa992c7309775c7b275c4
[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] 238d076aef4bebf2f3f96ebc703c8e05037c7aac18f81a70efb8127ec960a7af
[INFO] running `Command { std: "docker" "start" "-a" "238d076aef4bebf2f3f96ebc703c8e05037c7aac18f81a70efb8127ec960a7af", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking tokio-test v0.2.1
[INFO] [stderr]     Checking tower-ready-cache v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pin-project v0.4.30
[INFO] [stderr]     Checking tower-test v0.3.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.52s
[INFO] running `Command { std: "docker" "inspect" "238d076aef4bebf2f3f96ebc703c8e05037c7aac18f81a70efb8127ec960a7af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "238d076aef4bebf2f3f96ebc703c8e05037c7aac18f81a70efb8127ec960a7af", kill_on_drop: false }`
[INFO] [stdout] 238d076aef4bebf2f3f96ebc703c8e05037c7aac18f81a70efb8127ec960a7af