[INFO] fetching crate riven 2.27.0...
[INFO] checking riven-2.27.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate riven 2.27.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate riven 2.27.0 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 riven 2.27.0
[INFO] finished tweaking crates.io crate riven 2.27.0
[INFO] tweaked toml for crates.io crate riven 2.27.0 written to /workspace/builds/worker-1-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 177 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding env_logger v0.10.2 (latest: v0.11.3)
[INFO] [stderr]       Adding foreign-types v0.3.2 (latest: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding h2 v0.3.26 (latest: v0.4.4)
[INFO] [stderr]       Adding heck v0.3.3 (latest: v0.5.0)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.0)
[INFO] [stderr]       Adding hyper v0.14.28 (latest: v1.2.0)
[INFO] [stderr]       Adding hyper-rustls v0.24.2 (latest: v0.27.0)
[INFO] [stderr]       Adding hyper-tls v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding num_enum v0.5.11 (latest: v0.7.2)
[INFO] [stderr]       Adding num_enum_derive v0.5.11 (latest: v0.7.2)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (latest: v3.1.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding reqwest v0.11.27 (latest: v0.12.3)
[INFO] [stderr]       Adding rustls v0.21.10 (latest: v0.23.4)
[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (latest: v2.1.1)
[INFO] [stderr]       Adding rustls-webpki v0.101.7 (latest: v0.102.2)
[INFO] [stderr]       Adding strum v0.20.0 (latest: v0.26.2)
[INFO] [stderr]       Adding strum_macros v0.20.1 (latest: v0.26.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding sync_wrapper v0.1.2 (latest: v1.0.0)
[INFO] [stderr]       Adding system-configuration v0.5.1 (latest: v0.6.0)
[INFO] [stderr]       Adding system-configuration-sys v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding tokio-rustls v0.24.1 (latest: v0.26.0)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.9)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding webpki-roots v0.25.4 (latest: v0.26.1)
[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] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[INFO] [stderr]       Adding winreg v0.50.0 (latest: v0.52.0)
[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 async-compression v0.4.8
[INFO] [stderr]   Downloaded scan_fmt v0.2.6
[INFO] [stderr]   Downloaded fake_instant v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0a98badbba860c374c86169960f9d57091e595435c2a98000bfa17e0799f44fb
[INFO] running `Command { std: "docker" "start" "-a" "0a98badbba860c374c86169960f9d57091e595435c2a98000bfa17e0799f44fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a98badbba860c374c86169960f9d57091e595435c2a98000bfa17e0799f44fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a98badbba860c374c86169960f9d57091e595435c2a98000bfa17e0799f44fb", kill_on_drop: false }`
[INFO] [stdout] 0a98badbba860c374c86169960f9d57091e595435c2a98000bfa17e0799f44fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] af40401bc1b67bd6be4cb2cf67b167b1fb0e2f29e9d27c5564e444ec03f05c47
[INFO] running `Command { std: "docker" "start" "-a" "af40401bc1b67bd6be4cb2cf67b167b1fb0e2f29e9d27c5564e444ec03f05c47", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling httparse v1.8.0
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[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]     Checking tokio v1.37.0
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[INFO] [stderr]     Checking openssl-probe v0.1.5
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[INFO] [stderr]    Compiling toml_datetime v0.6.5
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[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling heck v0.3.3
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[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]    Compiling serde_repr v0.1.18
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking scan_fmt v0.2.6
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[INFO] [stderr]     Checking futures v0.3.30
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[INFO] [stderr]     Checking fake_instant v0.5.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking async-compression v0.4.8
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking riven v2.27.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `get_bucket_duration` and `get_total_limit` are never used
[INFO] [stdout]   --> src/req/token_bucket.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait TokenBucket {
[INFO] [stdout]    |           ----------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn get_bucket_duration(&self) -> Duration;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn get_total_limit(&self) -> usize;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 1m 02s
[INFO] running `Command { std: "docker" "inspect" "af40401bc1b67bd6be4cb2cf67b167b1fb0e2f29e9d27c5564e444ec03f05c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af40401bc1b67bd6be4cb2cf67b167b1fb0e2f29e9d27c5564e444ec03f05c47", kill_on_drop: false }`
[INFO] [stdout] af40401bc1b67bd6be4cb2cf67b167b1fb0e2f29e9d27c5564e444ec03f05c47