[INFO] fetching crate kvarn-extensions 0.5.0...
[INFO] checking kvarn-extensions-0.5.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate kvarn-extensions 0.5.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate kvarn-extensions 0.5.0 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 kvarn-extensions 0.5.0
[INFO] finished tweaking crates.io crate kvarn-extensions 0.5.0
[INFO] tweaked toml for crates.io crate kvarn-extensions 0.5.0 written to /workspace/builds/worker-3-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 235 packages
[INFO] [stderr]       Adding asn1-rs v0.5.2 (latest: v0.6.1)
[INFO] [stderr]       Adding asn1-rs-derive v0.4.0 (latest: v0.5.0)
[INFO] [stderr]       Adding asn1-rs-impl v0.1.0 (latest: v0.2.0)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[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 brotli v3.5.0 (latest: v4.0.0)
[INFO] [stderr]       Adding brotli-decompressor v2.5.1 (latest: v3.0.0)
[INFO] [stderr]       Adding der-parser v8.2.0 (latest: v9.0.0)
[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 generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
[INFO] [stderr]       Adding h2 v0.3.26 (latest: v0.4.4)
[INFO] [stderr]       Adding html5ever v0.25.2 (latest: v0.27.0)
[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-tls v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding kvarn v0.5.0 (latest: v0.6.1)
[INFO] [stderr]       Adding kvarn-fastcgi-client v0.1.0 (latest: v0.9.0)
[INFO] [stderr]       Adding kvarn_async v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding kvarn_signal v0.1.0 (latest: v0.2.0)
[INFO] [stderr]       Adding kvarn_testing v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding kvarn_utils v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding markup5ever v0.10.1 (latest: v0.12.0)
[INFO] [stderr]       Adding markup5ever_rcdom v0.1.0 (latest: v0.3.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding oid-registry v0.6.1 (latest: v0.7.0)
[INFO] [stderr]       Adding pem v1.1.1 (latest: v3.0.3)
[INFO] [stderr]       Adding phf v0.8.0 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_codegen v0.8.0 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_generator v0.8.0 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_generator v0.10.0 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_shared v0.8.0 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_shared v0.10.0 (latest: v0.11.2)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_pcg v0.2.1 (latest: v0.3.1)
[INFO] [stderr]       Adding rcgen v0.9.3 (latest: v0.13.1)
[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 ring v0.16.20 (latest: v0.17.8)
[INFO] [stderr]       Adding rustls v0.20.9 (latest: v0.23.4)
[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (latest: v2.1.1)
[INFO] [stderr]       Adding select v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding siphasher v0.3.11 (latest: v1.0.1)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[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 synstructure v0.12.6 (latest: v0.13.1)
[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 time v0.1.45 (latest: v0.3.34)
[INFO] [stderr]       Adding tokio-tungstenite v0.17.2 (latest: v0.21.0)
[INFO] [stderr]       Adding tungstenite v0.17.3 (latest: v0.21.0)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] [stderr]       Adding url-crawl v0.1.0 (latest: v0.2.0)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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] [stderr]       Adding winreg v0.50.0 (latest: v0.52.0)
[INFO] [stderr]       Adding x509-parser v0.14.0 (latest: v0.16.0)
[INFO] [stderr]       Adding xml5ever v0.16.2 (latest: v0.18.0)
[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 mac v0.1.1
[INFO] [stderr]   Downloaded futf v0.1.5
[INFO] [stderr]   Downloaded markup5ever v0.10.1
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.1.0
[INFO] [stderr]   Downloaded string_cache_codegen v0.5.2
[INFO] [stderr]   Downloaded kvarn_signal v0.1.0
[INFO] [stderr]   Downloaded oid-registry v0.6.1
[INFO] [stderr]   Downloaded kvarn_async v0.5.0
[INFO] [stderr]   Downloaded async_chunked_transfer v1.4.0
[INFO] [stderr]   Downloaded sha-1 v0.10.1
[INFO] [stderr]   Downloaded tokio-tungstenite v0.17.2
[INFO] [stderr]   Downloaded kvarn-fastcgi-client v0.1.0
[INFO] [stderr]   Downloaded tungstenite v0.17.3
[INFO] [stderr]   Downloaded der-parser v8.2.0
[INFO] [stderr]   Downloaded asn1-rs v0.5.2
[INFO] [stderr]   Downloaded x509-parser v0.14.0
[INFO] [stderr]   Downloaded kvarn v0.5.0
[INFO] [stderr]   Downloaded yasna v0.5.2
[INFO] [stderr]   Downloaded html5ever v0.25.2
[INFO] [stderr]   Downloaded kvarn_utils v0.5.0
[INFO] [stderr]   Downloaded pem v1.1.1
[INFO] [stderr]   Downloaded rcgen v0.9.3
[INFO] [stderr]   Downloaded rusticata-macros v4.1.0
[INFO] [stderr]   Downloaded url-crawl v0.1.0
[INFO] [stderr]   Downloaded asn1-rs-impl v0.1.0
[INFO] [stderr]   Downloaded kvarn_testing v0.5.0
[INFO] [stderr]   Downloaded asn1-rs-derive v0.4.0
[INFO] [stderr]   Downloaded xml5ever v0.16.2
[INFO] [stderr]   Downloaded select v0.5.0
[INFO] [stderr]   Downloaded tendril v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5b60c97f68692f23e8f551d0b96c7c7382b8edf0f07549dfb141e2de868d4ff6
[INFO] running `Command { std: "docker" "start" "-a" "5b60c97f68692f23e8f551d0b96c7c7382b8edf0f07549dfb141e2de868d4ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b60c97f68692f23e8f551d0b96c7c7382b8edf0f07549dfb141e2de868d4ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b60c97f68692f23e8f551d0b96c7c7382b8edf0f07549dfb141e2de868d4ff6", kill_on_drop: false }`
[INFO] [stdout] 5b60c97f68692f23e8f551d0b96c7c7382b8edf0f07549dfb141e2de868d4ff6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cd4419ea4ee4342e6e3ed308b1f0a836e28c7b05a6287b40d6bb264da5a1a3df
[INFO] running `Command { std: "docker" "start" "-a" "cd4419ea4ee4342e6e3ed308b1f0a836e28c7b05a6287b40d6bb264da5a1a3df", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]     Checking string_cache v0.8.7
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking rusticata-macros v4.1.0
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking ring v0.17.8
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling oid-registry v0.6.1
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]     Checking num-bigint v0.4.4
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking webpki v0.22.4
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking brotli-decompressor v2.5.1
[INFO] [stderr]     Checking kvarn_utils v0.5.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking yasna v0.5.2
[INFO] [stderr]     Checking pem v1.1.1
[INFO] [stderr]     Checking brotli v3.5.0
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling displaydoc v0.2.4
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking xml5ever v0.16.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking openssl v0.10.64
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking rcgen v0.9.3
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking tungstenite v0.17.3
[INFO] [stderr]    Compiling asn1-rs-derive v0.4.0
[INFO] [stderr]    Compiling asn1-rs-impl v0.1.0
[INFO] [stderr]    Compiling html5ever v0.25.2
[INFO] [stderr]     Checking native-tls v0.2.11
[INFO] [stderr]     Checking asn1-rs v0.5.2
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking kvarn_async v0.5.0
[INFO] [stderr]     Checking tokio-tungstenite v0.17.2
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking kvarn_signal v0.1.0
[INFO] [stderr]     Checking async_chunked_transfer v1.4.0
[INFO] [stderr]     Checking kvarn-fastcgi-client v0.1.0
[INFO] [stderr]     Checking der-parser v8.2.0
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking x509-parser v0.14.0
[INFO] [stderr]     Checking select v0.5.0
[INFO] [stderr]     Checking url-crawl v0.1.0
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking kvarn v0.5.0
[INFO] [stderr]     Checking kvarn-extensions v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Cow` is imported redundantly
[INFO] [stdout]  --> src/fastcgi.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::*;
[INFO] [stdout]   |     -------- the item `Cow` is already imported here
[INFO] [stdout] 2 | use kvarn_fastcgi_client::{Client, Params};
[INFO] [stdout] 3 | use std::borrow::Cow;
[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]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking kvarn_testing v0.5.0
[INFO] [stdout] warning: the item `Cow` is imported redundantly
[INFO] [stdout]  --> src/fastcgi.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::*;
[INFO] [stdout]   |     -------- the item `Cow` is already imported here
[INFO] [stdout] 2 | use kvarn_fastcgi_client::{Client, Params};
[INFO] [stdout] 3 | use std::borrow::Cow;
[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 1m 01s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: xml5ever v0.16.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "cd4419ea4ee4342e6e3ed308b1f0a836e28c7b05a6287b40d6bb264da5a1a3df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd4419ea4ee4342e6e3ed308b1f0a836e28c7b05a6287b40d6bb264da5a1a3df", kill_on_drop: false }`
[INFO] [stdout] cd4419ea4ee4342e6e3ed308b1f0a836e28c7b05a6287b40d6bb264da5a1a3df