[INFO] fetching crate piston_meta_search 0.19.0...
[INFO] checking piston_meta_search-0.19.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate piston_meta_search 0.19.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate piston_meta_search 0.19.0 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 piston_meta_search 0.19.0
[INFO] finished tweaking crates.io crate piston_meta_search 0.19.0
[INFO] tweaked toml for crates.io crate piston_meta_search 0.19.0 written to /workspace/builds/worker-2-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 5 packages
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 90cab9b1c4ea2c0a1de149ea71b90b248e1de406cdf8d1991b559b67212b48b9
[INFO] running `Command { std: "docker" "start" "-a" "90cab9b1c4ea2c0a1de149ea71b90b248e1de406cdf8d1991b559b67212b48b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90cab9b1c4ea2c0a1de149ea71b90b248e1de406cdf8d1991b559b67212b48b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90cab9b1c4ea2c0a1de149ea71b90b248e1de406cdf8d1991b559b67212b48b9", kill_on_drop: false }`
[INFO] [stdout] 90cab9b1c4ea2c0a1de149ea71b90b248e1de406cdf8d1991b559b67212b48b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f572c4c93db7b1b22c4a479696bc492f608c45628308c34f82c9a6e3d260cc25
[INFO] running `Command { std: "docker" "start" "-a" "f572c4c93db7b1b22c4a479696bc492f608c45628308c34f82c9a6e3d260cc25", kill_on_drop: false }`
[INFO] [stderr]     Checking range v1.0.0
[INFO] [stderr]     Checking read_token v1.0.0
[INFO] [stderr]     Checking piston_meta v2.0.1
[INFO] [stderr]     Checking piston_meta_search v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "f572c4c93db7b1b22c4a479696bc492f608c45628308c34f82c9a6e3d260cc25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f572c4c93db7b1b22c4a479696bc492f608c45628308c34f82c9a6e3d260cc25", kill_on_drop: false }`
[INFO] [stdout] f572c4c93db7b1b22c4a479696bc492f608c45628308c34f82c9a6e3d260cc25
[INFO] checking piston_meta_search-0.19.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate piston_meta_search 0.19.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate piston_meta_search 0.19.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piston_meta_search 0.19.0
[INFO] finished tweaking crates.io crate piston_meta_search 0.19.0
[INFO] tweaked toml for crates.io crate piston_meta_search 0.19.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 903264e2ab74c22155f0bd127a83c3f5b98d0214444297b713cc1eac4c89de1e
[INFO] running `Command { std: "docker" "start" "-a" "903264e2ab74c22155f0bd127a83c3f5b98d0214444297b713cc1eac4c89de1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "903264e2ab74c22155f0bd127a83c3f5b98d0214444297b713cc1eac4c89de1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "903264e2ab74c22155f0bd127a83c3f5b98d0214444297b713cc1eac4c89de1e", kill_on_drop: false }`
[INFO] [stdout] 903264e2ab74c22155f0bd127a83c3f5b98d0214444297b713cc1eac4c89de1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4116ce552e3a9e484fbe3b6c246730de6389a42913ed6ac83ef59779a397d74d
[INFO] running `Command { std: "docker" "start" "-a" "4116ce552e3a9e484fbe3b6c246730de6389a42913ed6ac83ef59779a397d74d", kill_on_drop: false }`
[INFO] [stderr]     Checking range v1.0.0
[INFO] [stderr]     Checking read_token v1.0.0
[INFO] [stderr]     Checking piston_meta v2.0.1
[INFO] [stderr]     Checking piston_meta_search v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "4116ce552e3a9e484fbe3b6c246730de6389a42913ed6ac83ef59779a397d74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4116ce552e3a9e484fbe3b6c246730de6389a42913ed6ac83ef59779a397d74d", kill_on_drop: false }`
[INFO] [stdout] 4116ce552e3a9e484fbe3b6c246730de6389a42913ed6ac83ef59779a397d74d