[INFO] fetching crate cargo-advrunner 0.2.0...
[INFO] checking cargo-advrunner-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate cargo-advrunner 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate cargo-advrunner 0.2.0 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 cargo-advrunner 0.2.0
[INFO] finished tweaking crates.io crate cargo-advrunner 0.2.0
[INFO] tweaked toml for crates.io crate cargo-advrunner 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-advrunner 0.2.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.7.6
[INFO] [stderr]   Downloaded toml_edit v0.19.14
[INFO] [stderr]   Downloaded quote v1.0.31
[INFO] [stderr]   Downloaded syn v2.0.27
[INFO] [stderr]   Downloaded serde v1.0.174
[INFO] [stderr]   Downloaded anyhow v1.0.72
[INFO] [stderr]   Downloaded serde_derive v1.0.174
[INFO] [stderr]   Downloaded windows-targets v0.48.1
[INFO] [stderr]   Downloaded shared_child v1.0.0
[INFO] [stderr]   Downloaded duct v0.13.6
[INFO] [stderr]   Downloaded serde_spanned v0.6.3
[INFO] [stderr]   Downloaded winnow v0.5.0
[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] b99c8e779374d6480baae62d04da7dc7e747f82331cd6af25449b5819687e7b0
[INFO] running `Command { std: "docker" "start" "-a" "b99c8e779374d6480baae62d04da7dc7e747f82331cd6af25449b5819687e7b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b99c8e779374d6480baae62d04da7dc7e747f82331cd6af25449b5819687e7b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b99c8e779374d6480baae62d04da7dc7e747f82331cd6af25449b5819687e7b0", kill_on_drop: false }`
[INFO] [stdout] b99c8e779374d6480baae62d04da7dc7e747f82331cd6af25449b5819687e7b0
[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] 82059b50649ee393cbc25006466ae9262eaee4ccb9c773415c62b23da63d2a72
[INFO] running `Command { std: "docker" "start" "-a" "82059b50649ee393cbc25006466ae9262eaee4ccb9c773415c62b23da63d2a72", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.174
[INFO] [stderr]    Compiling serde_derive v1.0.174
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking winnow v0.5.0
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking shared_child v1.0.0
[INFO] [stderr]     Checking os_pipe v1.1.4
[INFO] [stderr]     Checking duct v0.13.6
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_edit v0.19.14
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]     Checking cargo-advrunner v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.03s
[INFO] running `Command { std: "docker" "inspect" "82059b50649ee393cbc25006466ae9262eaee4ccb9c773415c62b23da63d2a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82059b50649ee393cbc25006466ae9262eaee4ccb9c773415c62b23da63d2a72", kill_on_drop: false }`
[INFO] [stdout] 82059b50649ee393cbc25006466ae9262eaee4ccb9c773415c62b23da63d2a72
[INFO] checking cargo-advrunner-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate cargo-advrunner 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate cargo-advrunner 0.2.0 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 cargo-advrunner 0.2.0
[INFO] finished tweaking crates.io crate cargo-advrunner 0.2.0
[INFO] tweaked toml for crates.io crate cargo-advrunner 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate cargo-advrunner 0.2.0 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-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] eeeb3ca02781dacd1c21542a320c2a2e39068c794892ed5efcbd9c65ba54183f
[INFO] running `Command { std: "docker" "start" "-a" "eeeb3ca02781dacd1c21542a320c2a2e39068c794892ed5efcbd9c65ba54183f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeeb3ca02781dacd1c21542a320c2a2e39068c794892ed5efcbd9c65ba54183f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeeb3ca02781dacd1c21542a320c2a2e39068c794892ed5efcbd9c65ba54183f", kill_on_drop: false }`
[INFO] [stdout] eeeb3ca02781dacd1c21542a320c2a2e39068c794892ed5efcbd9c65ba54183f
[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] d35188977cd07d25a82dcc523679a1d1d12a7693b545d3387b0d6918be1fe97f
[INFO] running `Command { std: "docker" "start" "-a" "d35188977cd07d25a82dcc523679a1d1d12a7693b545d3387b0d6918be1fe97f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.174
[INFO] [stderr]    Compiling serde_derive v1.0.174
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking winnow v0.5.0
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking os_pipe v1.1.4
[INFO] [stderr]     Checking shared_child v1.0.0
[INFO] [stderr]     Checking duct v0.13.6
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking toml_edit v0.19.14
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]     Checking cargo-advrunner v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.78s
[INFO] running `Command { std: "docker" "inspect" "d35188977cd07d25a82dcc523679a1d1d12a7693b545d3387b0d6918be1fe97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35188977cd07d25a82dcc523679a1d1d12a7693b545d3387b0d6918be1fe97f", kill_on_drop: false }`
[INFO] [stdout] d35188977cd07d25a82dcc523679a1d1d12a7693b545d3387b0d6918be1fe97f