[INFO] cloning repository https://github.com/nooberfsh/dd_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nooberfsh/dd_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnooberfsh%2Fdd_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnooberfsh%2Fdd_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5dc44650367da8715dbe841169aeb7fe00f227b5
[INFO] checking nooberfsh/dd_examples against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnooberfsh%2Fdd_examples" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nooberfsh/dd_examples 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 git repo https://github.com/nooberfsh/dd_examples
[INFO] finished tweaking git repo https://github.com/nooberfsh/dd_examples
[INFO] tweaked toml for git repo https://github.com/nooberfsh/dd_examples written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nooberfsh/dd_examples already has a lockfile, it will not be regenerated
[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]     Updating git repository `https://github.com/TimelyDataflow/differential-dataflow`
[INFO] [stderr]     Updating git repository `https://github.com/TimelyDataflow/timely-dataflow`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/frankmcsherry/columnation`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded abomonation_derive v0.5.0
[INFO] [stderr]   Downloaded flatcontainer v0.1.0
[INFO] [stderr]   Downloaded abomonation v0.7.3
[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] 02d265f0077e383bbff6649625b37f871d285ce931d411744887f4d9edd62a7d
[INFO] running `Command { std: "docker" "start" "-a" "02d265f0077e383bbff6649625b37f871d285ce931d411744887f4d9edd62a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02d265f0077e383bbff6649625b37f871d285ce931d411744887f4d9edd62a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02d265f0077e383bbff6649625b37f871d285ce931d411744887f4d9edd62a7d", kill_on_drop: false }`
[INFO] [stdout] 02d265f0077e383bbff6649625b37f871d285ce931d411744887f4d9edd62a7d
[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] e5ff17f64579f39f98f61ebfeb21e5b524ec1d1568307416b459715cd3f3b62f
[INFO] running `Command { std: "docker" "start" "-a" "e5ff17f64579f39f98f61ebfeb21e5b524ec1d1568307416b459715cd3f3b62f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking timely_bytes v0.12.0 (https://github.com/TimelyDataflow/timely-dataflow#819135e3)
[INFO] [stderr]     Checking abomonation v0.7.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking timely_logging v0.12.0 (https://github.com/TimelyDataflow/timely-dataflow#819135e3)
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking columnation v0.1.0 (https://github.com/frankmcsherry/columnation#ab3b7897)
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling abomonation_derive v0.5.0
[INFO] [stderr]     Checking flatcontainer v0.1.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking timely_communication v0.12.0 (https://github.com/TimelyDataflow/timely-dataflow#819135e3)
[INFO] [stderr]     Checking timely_container v0.12.0 (https://github.com/TimelyDataflow/timely-dataflow#819135e3)
[INFO] [stderr]     Checking timely v0.12.0 (https://github.com/TimelyDataflow/timely-dataflow#819135e3)
[INFO] [stderr]     Checking differential-dataflow v0.12.0 (https://github.com/TimelyDataflow/differential-dataflow#1dee988c)
[INFO] [stderr]     Checking dogsdogsdogs v0.1.0 (https://github.com/TimelyDataflow/differential-dataflow#1dee988c)
[INFO] [stderr]     Checking dd_examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.01s
[INFO] running `Command { std: "docker" "inspect" "e5ff17f64579f39f98f61ebfeb21e5b524ec1d1568307416b459715cd3f3b62f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ff17f64579f39f98f61ebfeb21e5b524ec1d1568307416b459715cd3f3b62f", kill_on_drop: false }`
[INFO] [stdout] e5ff17f64579f39f98f61ebfeb21e5b524ec1d1568307416b459715cd3f3b62f
[INFO] checking nooberfsh/dd_examples against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnooberfsh%2Fdd_examples" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nooberfsh/dd_examples 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 git repo https://github.com/nooberfsh/dd_examples
[INFO] finished tweaking git repo https://github.com/nooberfsh/dd_examples
[INFO] tweaked toml for git repo https://github.com/nooberfsh/dd_examples written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nooberfsh/dd_examples already has a lockfile, it will not be regenerated
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 99fcf53b719cab72623e01dcbd07db6c95268e9349f99823e75022b734cd06ef
[INFO] running `Command { std: "docker" "start" "-a" "99fcf53b719cab72623e01dcbd07db6c95268e9349f99823e75022b734cd06ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99fcf53b719cab72623e01dcbd07db6c95268e9349f99823e75022b734cd06ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99fcf53b719cab72623e01dcbd07db6c95268e9349f99823e75022b734cd06ef", kill_on_drop: false }`
[INFO] [stdout] 99fcf53b719cab72623e01dcbd07db6c95268e9349f99823e75022b734cd06ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 104c1b02ba499ea6f681c6ea7ed0b2607c633ae13024abdf9d1f3c597c6c0f08
[INFO] running `Command { std: "docker" "start" "-a" "104c1b02ba499ea6f681c6ea7ed0b2607c633ae13024abdf9d1f3c597c6c0f08", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking abomonation v0.7.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking timely_logging v0.12.0 (https://github.com/TimelyDataflow/timely-dataflow#819135e3)
[INFO] [stderr]     Checking timely_bytes v0.12.0 (https://github.com/TimelyDataflow/timely-dataflow#819135e3)
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking columnation v0.1.0 (https://github.com/frankmcsherry/columnation#ab3b7897)
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling abomonation_derive v0.5.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking flatcontainer v0.1.0
[INFO] [stderr]     Checking timely_communication v0.12.0 (https://github.com/TimelyDataflow/timely-dataflow#819135e3)
[INFO] [stderr]     Checking timely_container v0.12.0 (https://github.com/TimelyDataflow/timely-dataflow#819135e3)
[INFO] [stderr]     Checking timely v0.12.0 (https://github.com/TimelyDataflow/timely-dataflow#819135e3)
[INFO] [stderr]     Checking differential-dataflow v0.12.0 (https://github.com/TimelyDataflow/differential-dataflow#1dee988c)
[INFO] [stderr]     Checking dogsdogsdogs v0.1.0 (https://github.com/TimelyDataflow/differential-dataflow#1dee988c)
[INFO] [stderr]     Checking dd_examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.88s
[INFO] running `Command { std: "docker" "inspect" "104c1b02ba499ea6f681c6ea7ed0b2607c633ae13024abdf9d1f3c597c6c0f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "104c1b02ba499ea6f681c6ea7ed0b2607c633ae13024abdf9d1f3c597c6c0f08", kill_on_drop: false }`
[INFO] [stdout] 104c1b02ba499ea6f681c6ea7ed0b2607c633ae13024abdf9d1f3c597c6c0f08