[INFO] fetching crate mosec 0.8.1...
[INFO] checking mosec-0.8.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate mosec 0.8.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mosec 0.8.1 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 mosec 0.8.1
[INFO] finished tweaking crates.io crate mosec 0.8.1
[INFO] tweaked toml for crates.io crate mosec 0.8.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate mosec 0.8.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded utoipa v4.0.0
[INFO] [stderr]   Downloaded shellexpand v2.1.2
[INFO] [stderr]   Downloaded prometheus-client v0.21.2
[INFO] [stderr]   Downloaded utoipa-gen v4.0.0
[INFO] [stderr]   Downloaded utoipa-swagger-ui v4.0.0
[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] 4a4e7f41bf42d56be3db34bf2d49890514353ab769f042cf1473ee03e18d3ca9
[INFO] running `Command { std: "docker" "start" "-a" "4a4e7f41bf42d56be3db34bf2d49890514353ab769f042cf1473ee03e18d3ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a4e7f41bf42d56be3db34bf2d49890514353ab769f042cf1473ee03e18d3ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4e7f41bf42d56be3db34bf2d49890514353ab769f042cf1473ee03e18d3ca9", kill_on_drop: false }`
[INFO] [stdout] 4a4e7f41bf42d56be3db34bf2d49890514353ab769f042cf1473ee03e18d3ca9
[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] 0fc0c992e2469aa464c874c7539646c14cdd35a12bdeddbd34859c24e89f204d
[INFO] running `Command { std: "docker" "start" "-a" "0fc0c992e2469aa464c874c7539646c14cdd35a12bdeddbd34859c24e89f204d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling aho-corasick v1.1.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling flate2 v1.0.27
[INFO] [stderr]     Checking hashbrown v0.14.1
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking rust-embed-utils v8.0.0
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking deranged v0.3.8
[INFO] [stderr]    Compiling prometheus-client v0.21.2
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking concurrent-queue v2.3.0
[INFO] [stderr]    Compiling zip v0.6.6
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]     Checking dtoa v1.0.9
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling shellexpand v2.1.2
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking time v0.3.29
[INFO] [stderr]    Compiling regex-automata v0.3.9
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling regex v1.9.6
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling rust-embed-impl v8.0.0
[INFO] [stderr]    Compiling utoipa-gen v4.0.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling prometheus-client-derive-encode v0.4.2
[INFO] [stderr]    Compiling utoipa-swagger-ui v4.0.0
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking rust-embed v8.0.0
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking tracing v0.1.39
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking serde v1.0.188
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking serde_path_to_error v0.1.14
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking indexmap v2.0.2
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking utoipa v4.0.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking mosec v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.29s
[INFO] running `Command { std: "docker" "inspect" "0fc0c992e2469aa464c874c7539646c14cdd35a12bdeddbd34859c24e89f204d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc0c992e2469aa464c874c7539646c14cdd35a12bdeddbd34859c24e89f204d", kill_on_drop: false }`
[INFO] [stdout] 0fc0c992e2469aa464c874c7539646c14cdd35a12bdeddbd34859c24e89f204d
[INFO] checking mosec-0.8.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate mosec 0.8.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate mosec 0.8.1 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 mosec 0.8.1
[INFO] finished tweaking crates.io crate mosec 0.8.1
[INFO] tweaked toml for crates.io crate mosec 0.8.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate mosec 0.8.1 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] [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] 1a87a228aeffa6694a39adb640c232a0de03b51463c7743b58830aa7c13b1f3b
[INFO] running `Command { std: "docker" "start" "-a" "1a87a228aeffa6694a39adb640c232a0de03b51463c7743b58830aa7c13b1f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a87a228aeffa6694a39adb640c232a0de03b51463c7743b58830aa7c13b1f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a87a228aeffa6694a39adb640c232a0de03b51463c7743b58830aa7c13b1f3b", kill_on_drop: false }`
[INFO] [stdout] 1a87a228aeffa6694a39adb640c232a0de03b51463c7743b58830aa7c13b1f3b
[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] 93a7edc5ece0c3e85d6acc2edeaa8e0503dde18f42e50497162b89a6018154e7
[INFO] running `Command { std: "docker" "start" "-a" "93a7edc5ece0c3e85d6acc2edeaa8e0503dde18f42e50497162b89a6018154e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling aho-corasick v1.1.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking hashbrown v0.14.1
[INFO] [stderr]    Compiling flate2 v1.0.27
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking rust-embed-utils v8.0.0
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]    Compiling prometheus-client v0.21.2
[INFO] [stderr]     Checking deranged v0.3.8
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking concurrent-queue v2.3.0
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking dtoa v1.0.9
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling zip v0.6.6
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling shellexpand v2.1.2
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking time v0.3.29
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling regex-automata v0.3.9
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling rust-embed-impl v8.0.0
[INFO] [stderr]    Compiling utoipa-gen v4.0.0
[INFO] [stderr]    Compiling prometheus-client-derive-encode v0.4.2
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling regex v1.9.6
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking rust-embed v8.0.0
[INFO] [stderr]     Checking tracing v0.1.39
[INFO] [stderr]    Compiling utoipa-swagger-ui v4.0.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking serde v1.0.188
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking serde_path_to_error v0.1.14
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking indexmap v2.0.2
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking utoipa v4.0.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking mosec v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.96s
[INFO] running `Command { std: "docker" "inspect" "93a7edc5ece0c3e85d6acc2edeaa8e0503dde18f42e50497162b89a6018154e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93a7edc5ece0c3e85d6acc2edeaa8e0503dde18f42e50497162b89a6018154e7", kill_on_drop: false }`
[INFO] [stdout] 93a7edc5ece0c3e85d6acc2edeaa8e0503dde18f42e50497162b89a6018154e7