[INFO] fetching crate rewrk-core 0.1.3...
[INFO] checking rewrk-core-0.1.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rewrk-core 0.1.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate rewrk-core 0.1.3 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 rewrk-core 0.1.3
[INFO] finished tweaking crates.io crate rewrk-core 0.1.3
[INFO] tweaked toml for crates.io crate rewrk-core 0.1.3 written to /workspace/builds/worker-5-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 155 packages
[INFO] [stderr]       Adding axum v0.6.20 (latest: v0.7.5)
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[INFO] [stderr]       Adding flume v0.10.14 (latest: v0.11.0)
[INFO] [stderr]       Adding foreign-types v0.3.2 (latest: v0.5.0)
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[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.0)
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[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding matchit v0.7.3 (latest: v0.8.0)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding sync_wrapper v0.1.2 (latest: v1.0.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (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]  Downloading crates ...
[INFO] [stderr]   Downloaded hdrhistogram v7.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5dd34af258c15f7044fa197cc175837e888ceeb87e6c659d77468524e30cd0be
[INFO] running `Command { std: "docker" "start" "-a" "5dd34af258c15f7044fa197cc175837e888ceeb87e6c659d77468524e30cd0be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dd34af258c15f7044fa197cc175837e888ceeb87e6c659d77468524e30cd0be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dd34af258c15f7044fa197cc175837e888ceeb87e6c659d77468524e30cd0be", kill_on_drop: false }`
[INFO] [stdout] 5dd34af258c15f7044fa197cc175837e888ceeb87e6c659d77468524e30cd0be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8f340e1488d11b5e62fb5d3e1352ebf508368e7d9ad66615d9d00d8d51dd3dc5
[INFO] running `Command { std: "docker" "start" "-a" "8f340e1488d11b5e62fb5d3e1352ebf508368e7d9ad66615d9d00d8d51dd3dc5", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking openssl-sys v0.9.102
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking openssl v0.10.64
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.16
[INFO] [stderr]     Checking hdrhistogram v7.5.4
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking rewrk-core v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HttpStream`
[INFO] [stdout]  --> src/connection/mod.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::conn::{HttpStream, ReWrkConnection, ReWrkConnector};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HttpStream`
[INFO] [stdout]  --> src/connection/mod.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::conn::{HttpStream, ReWrkConnection, ReWrkConnector};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.15s
[INFO] running `Command { std: "docker" "inspect" "8f340e1488d11b5e62fb5d3e1352ebf508368e7d9ad66615d9d00d8d51dd3dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f340e1488d11b5e62fb5d3e1352ebf508368e7d9ad66615d9d00d8d51dd3dc5", kill_on_drop: false }`
[INFO] [stdout] 8f340e1488d11b5e62fb5d3e1352ebf508368e7d9ad66615d9d00d8d51dd3dc5
[INFO] checking rewrk-core-0.1.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate rewrk-core 0.1.3 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate rewrk-core 0.1.3 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 rewrk-core 0.1.3
[INFO] finished tweaking crates.io crate rewrk-core 0.1.3
[INFO] tweaked toml for crates.io crate rewrk-core 0.1.3 written to /workspace/builds/worker-5-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]     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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ba164b2c9fc0b44cb98a9a66d727816fab9b1e4bee229c80b462c30d0fddec8d
[INFO] running `Command { std: "docker" "start" "-a" "ba164b2c9fc0b44cb98a9a66d727816fab9b1e4bee229c80b462c30d0fddec8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba164b2c9fc0b44cb98a9a66d727816fab9b1e4bee229c80b462c30d0fddec8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba164b2c9fc0b44cb98a9a66d727816fab9b1e4bee229c80b462c30d0fddec8d", kill_on_drop: false }`
[INFO] [stdout] ba164b2c9fc0b44cb98a9a66d727816fab9b1e4bee229c80b462c30d0fddec8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 215dab73cff059b0dbf5f532a8b341241f0011b8c30ee552cbda82deab374fb7
[INFO] running `Command { std: "docker" "start" "-a" "215dab73cff059b0dbf5f532a8b341241f0011b8c30ee552cbda82deab374fb7", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking openssl-sys v0.9.102
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking openssl v0.10.64
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.16
[INFO] [stderr]     Checking hdrhistogram v7.5.4
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking rewrk-core v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HttpStream`
[INFO] [stdout]  --> src/connection/mod.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::conn::{HttpStream, ReWrkConnection, ReWrkConnector};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HttpStream`
[INFO] [stdout]  --> src/connection/mod.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::conn::{HttpStream, ReWrkConnection, ReWrkConnector};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.60s
[INFO] running `Command { std: "docker" "inspect" "215dab73cff059b0dbf5f532a8b341241f0011b8c30ee552cbda82deab374fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "215dab73cff059b0dbf5f532a8b341241f0011b8c30ee552cbda82deab374fb7", kill_on_drop: false }`
[INFO] [stdout] 215dab73cff059b0dbf5f532a8b341241f0011b8c30ee552cbda82deab374fb7