[INFO] fetching crate riddle 0.1.0...
[INFO] checking riddle-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate riddle 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate riddle 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 riddle 0.1.0
[INFO] finished tweaking crates.io crate riddle 0.1.0
[INFO] tweaked toml for crates.io crate riddle 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate riddle 0.1.0 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 crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-metadata v0.52.0
[INFO] [stderr]   Downloaded windows-bindgen v0.52.0
[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] f2034057e09c3a63987b0bdd0cbc4beb64bf40e2dd67c65b0c629c606ebc0040
[INFO] running `Command { std: "docker" "start" "-a" "f2034057e09c3a63987b0bdd0cbc4beb64bf40e2dd67c65b0c629c606ebc0040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2034057e09c3a63987b0bdd0cbc4beb64bf40e2dd67c65b0c629c606ebc0040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2034057e09c3a63987b0bdd0cbc4beb64bf40e2dd67c65b0c629c606ebc0040", kill_on_drop: false }`
[INFO] [stdout] f2034057e09c3a63987b0bdd0cbc4beb64bf40e2dd67c65b0c629c606ebc0040
[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] b9e293bd088a60c93527b6be6565d8dfeefb4967498ef4ebb078505287ad5850
[INFO] running `Command { std: "docker" "start" "-a" "b9e293bd088a60c93527b6be6565d8dfeefb4967498ef4ebb078505287ad5850", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking windows-metadata v0.52.0
[INFO] [stderr]     Checking quote v1.0.33
[INFO] [stderr]     Checking syn v2.0.39
[INFO] [stderr]     Checking windows-bindgen v0.52.0
[INFO] [stderr]     Checking riddle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.66s
[INFO] running `Command { std: "docker" "inspect" "b9e293bd088a60c93527b6be6565d8dfeefb4967498ef4ebb078505287ad5850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e293bd088a60c93527b6be6565d8dfeefb4967498ef4ebb078505287ad5850", kill_on_drop: false }`
[INFO] [stdout] b9e293bd088a60c93527b6be6565d8dfeefb4967498ef4ebb078505287ad5850
[INFO] checking riddle-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate riddle 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate riddle 0.1.0 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 riddle 0.1.0
[INFO] finished tweaking crates.io crate riddle 0.1.0
[INFO] tweaked toml for crates.io crate riddle 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate riddle 0.1.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 804aa07eda1f02834ae89d05753407d71205b4513cb98761d6835779e1a04423
[INFO] running `Command { std: "docker" "start" "-a" "804aa07eda1f02834ae89d05753407d71205b4513cb98761d6835779e1a04423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "804aa07eda1f02834ae89d05753407d71205b4513cb98761d6835779e1a04423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "804aa07eda1f02834ae89d05753407d71205b4513cb98761d6835779e1a04423", kill_on_drop: false }`
[INFO] [stdout] 804aa07eda1f02834ae89d05753407d71205b4513cb98761d6835779e1a04423
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 14e16ea8b4f1506befbb84f9371a0973a2625fb8c76b96090e954727b9152066
[INFO] running `Command { std: "docker" "start" "-a" "14e16ea8b4f1506befbb84f9371a0973a2625fb8c76b96090e954727b9152066", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking windows-metadata v0.52.0
[INFO] [stderr]     Checking quote v1.0.33
[INFO] [stderr]     Checking syn v2.0.39
[INFO] [stderr]     Checking windows-bindgen v0.52.0
[INFO] [stderr]     Checking riddle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.89s
[INFO] running `Command { std: "docker" "inspect" "14e16ea8b4f1506befbb84f9371a0973a2625fb8c76b96090e954727b9152066", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14e16ea8b4f1506befbb84f9371a0973a2625fb8c76b96090e954727b9152066", kill_on_drop: false }`
[INFO] [stdout] 14e16ea8b4f1506befbb84f9371a0973a2625fb8c76b96090e954727b9152066