[INFO] fetching crate hearthstone 0.1.0...
[INFO] checking hearthstone-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate hearthstone 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate hearthstone 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 hearthstone 0.1.0
[INFO] finished tweaking crates.io crate hearthstone 0.1.0
[INFO] tweaked toml for crates.io crate hearthstone 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate hearthstone 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] 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] 3428463941ab197ba8efeb140c905e093769fecbae3924c4577ae291b9b9648f
[INFO] running `Command { std: "docker" "start" "-a" "3428463941ab197ba8efeb140c905e093769fecbae3924c4577ae291b9b9648f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3428463941ab197ba8efeb140c905e093769fecbae3924c4577ae291b9b9648f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3428463941ab197ba8efeb140c905e093769fecbae3924c4577ae291b9b9648f", kill_on_drop: false }`
[INFO] [stdout] 3428463941ab197ba8efeb140c905e093769fecbae3924c4577ae291b9b9648f
[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] 412c08a079a2f5345fed5719851f9b49ecc0af21293c3c6352a3d380a03dddc2
[INFO] running `Command { std: "docker" "start" "-a" "412c08a079a2f5345fed5719851f9b49ecc0af21293c3c6352a3d380a03dddc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking hearthstone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.63s
[INFO] running `Command { std: "docker" "inspect" "412c08a079a2f5345fed5719851f9b49ecc0af21293c3c6352a3d380a03dddc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412c08a079a2f5345fed5719851f9b49ecc0af21293c3c6352a3d380a03dddc2", kill_on_drop: false }`
[INFO] [stdout] 412c08a079a2f5345fed5719851f9b49ecc0af21293c3c6352a3d380a03dddc2
[INFO] checking hearthstone-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate hearthstone 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate hearthstone 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 hearthstone 0.1.0
[INFO] finished tweaking crates.io crate hearthstone 0.1.0
[INFO] tweaked toml for crates.io crate hearthstone 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate hearthstone 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-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] dddc5369a5335cabd5beae5dfdfbe9a06138f84252bc25ebbbe9161bf3f904d9
[INFO] running `Command { std: "docker" "start" "-a" "dddc5369a5335cabd5beae5dfdfbe9a06138f84252bc25ebbbe9161bf3f904d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dddc5369a5335cabd5beae5dfdfbe9a06138f84252bc25ebbbe9161bf3f904d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dddc5369a5335cabd5beae5dfdfbe9a06138f84252bc25ebbbe9161bf3f904d9", kill_on_drop: false }`
[INFO] [stdout] dddc5369a5335cabd5beae5dfdfbe9a06138f84252bc25ebbbe9161bf3f904d9
[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] a749d7e711d24f991dd9d60ab0d9e9775766acc4df49be9e1e610b11973fb6e1
[INFO] running `Command { std: "docker" "start" "-a" "a749d7e711d24f991dd9d60ab0d9e9775766acc4df49be9e1e610b11973fb6e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking hearthstone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.76s
[INFO] running `Command { std: "docker" "inspect" "a749d7e711d24f991dd9d60ab0d9e9775766acc4df49be9e1e610b11973fb6e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a749d7e711d24f991dd9d60ab0d9e9775766acc4df49be9e1e610b11973fb6e1", kill_on_drop: false }`
[INFO] [stdout] a749d7e711d24f991dd9d60ab0d9e9775766acc4df49be9e1e610b11973fb6e1