[INFO] fetching crate ra_ap_flycheck 0.0.187...
[INFO] checking ra_ap_flycheck-0.0.187 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ra_ap_flycheck 0.0.187 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ra_ap_flycheck 0.0.187 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 ra_ap_flycheck 0.0.187
[INFO] finished tweaking crates.io crate ra_ap_flycheck 0.0.187
[INFO] tweaked toml for crates.io crate ra_ap_flycheck 0.0.187 written to /workspace/builds/worker-0-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 57 packages
[INFO] [stderr]       Adding always-assert v0.1.3 (latest: v0.2.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding command-group v2.1.0 (latest: v5.0.1)
[INFO] [stderr]       Adding miow v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding nix v0.26.4 (latest: v0.28.0)
[INFO] [stderr]       Adding ra_ap_paths v0.0.187 (latest: v0.0.208)
[INFO] [stderr]       Adding ra_ap_stdx v0.0.187 (latest: v0.0.208)
[INFO] [stderr]       Adding ra_ap_toolchain v0.0.187 (latest: v0.0.208)
[INFO] [stderr]       Adding windows-sys v0.42.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.42.2 (latest: v0.52.4)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo_metadata v0.18.1
[INFO] [stderr]   Downloaded jod-thread v0.1.2
[INFO] [stderr]   Downloaded always-assert v0.1.3
[INFO] [stderr]   Downloaded ra_ap_paths v0.0.187
[INFO] [stderr]   Downloaded ra_ap_stdx v0.0.187
[INFO] [stderr]   Downloaded ra_ap_toolchain v0.0.187
[INFO] [stderr]   Downloaded command-group v2.1.0
[INFO] [stderr]   Downloaded miow v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c3c344cb4dcbc363236652f3950ed8d28406511e572af5e09f7ac6a8a2154338
[INFO] running `Command { std: "docker" "start" "-a" "c3c344cb4dcbc363236652f3950ed8d28406511e572af5e09f7ac6a8a2154338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3c344cb4dcbc363236652f3950ed8d28406511e572af5e09f7ac6a8a2154338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3c344cb4dcbc363236652f3950ed8d28406511e572af5e09f7ac6a8a2154338", kill_on_drop: false }`
[INFO] [stdout] c3c344cb4dcbc363236652f3950ed8d28406511e572af5e09f7ac6a8a2154338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a3f7df4c17cc582afeb514de1bb35d7bdf20f8e941b3e5ce22aff62d6afa03b6
[INFO] running `Command { std: "docker" "start" "-a" "a3f7df4c17cc582afeb514de1bb35d7bdf20f8e941b3e5ce22aff62d6afa03b6", kill_on_drop: false }`
[INFO] [stderr]     Checking jod-thread v0.1.2
[INFO] [stderr]     Checking always-assert v0.1.3
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking ra_ap_paths v0.0.187
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking ra_ap_stdx v0.0.187
[INFO] [stderr]     Checking ra_ap_toolchain v0.0.187
[INFO] [stderr]     Checking command-group v2.1.0
[INFO] [stderr]     Checking camino v1.1.6
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking semver v1.0.22
[INFO] [stderr]     Checking cargo-platform v0.1.8
[INFO] [stderr]     Checking cargo_metadata v0.18.1
[INFO] [stderr]     Checking ra_ap_flycheck v0.0.187 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `Command { std: "docker" "inspect" "a3f7df4c17cc582afeb514de1bb35d7bdf20f8e941b3e5ce22aff62d6afa03b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f7df4c17cc582afeb514de1bb35d7bdf20f8e941b3e5ce22aff62d6afa03b6", kill_on_drop: false }`
[INFO] [stdout] a3f7df4c17cc582afeb514de1bb35d7bdf20f8e941b3e5ce22aff62d6afa03b6
[INFO] checking ra_ap_flycheck-0.0.187 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate ra_ap_flycheck 0.0.187 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate ra_ap_flycheck 0.0.187 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 ra_ap_flycheck 0.0.187
[INFO] finished tweaking crates.io crate ra_ap_flycheck 0.0.187
[INFO] tweaked toml for crates.io crate ra_ap_flycheck 0.0.187 written to /workspace/builds/worker-0-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]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 27eb2fb71f33519954528ceceed401da8c87851d7d586a2e83bdf2bbcbf3c254
[INFO] running `Command { std: "docker" "start" "-a" "27eb2fb71f33519954528ceceed401da8c87851d7d586a2e83bdf2bbcbf3c254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27eb2fb71f33519954528ceceed401da8c87851d7d586a2e83bdf2bbcbf3c254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27eb2fb71f33519954528ceceed401da8c87851d7d586a2e83bdf2bbcbf3c254", kill_on_drop: false }`
[INFO] [stdout] 27eb2fb71f33519954528ceceed401da8c87851d7d586a2e83bdf2bbcbf3c254
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d14cd4324235f5efcda82565b93b92e6b24a183ad55834f9aeb1ecbb5ab61cd0
[INFO] running `Command { std: "docker" "start" "-a" "d14cd4324235f5efcda82565b93b92e6b24a183ad55834f9aeb1ecbb5ab61cd0", kill_on_drop: false }`
[INFO] [stderr]     Checking jod-thread v0.1.2
[INFO] [stderr]     Checking always-assert v0.1.3
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking ra_ap_paths v0.0.187
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking ra_ap_toolchain v0.0.187
[INFO] [stderr]     Checking ra_ap_stdx v0.0.187
[INFO] [stderr]     Checking command-group v2.1.0
[INFO] [stderr]     Checking semver v1.0.22
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking camino v1.1.6
[INFO] [stderr]     Checking cargo-platform v0.1.8
[INFO] [stderr]     Checking cargo_metadata v0.18.1
[INFO] [stderr]     Checking ra_ap_flycheck v0.0.187 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.70s
[INFO] running `Command { std: "docker" "inspect" "d14cd4324235f5efcda82565b93b92e6b24a183ad55834f9aeb1ecbb5ab61cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d14cd4324235f5efcda82565b93b92e6b24a183ad55834f9aeb1ecbb5ab61cd0", kill_on_drop: false }`
[INFO] [stdout] d14cd4324235f5efcda82565b93b92e6b24a183ad55834f9aeb1ecbb5ab61cd0