[INFO] fetching crate ntex-io 0.3.13...
[INFO] checking ntex-io-0.3.13 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ntex-io 0.3.13 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ntex-io 0.3.13 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 ntex-io 0.3.13
[INFO] finished tweaking crates.io crate ntex-io 0.3.13
[INFO] tweaked toml for crates.io crate ntex-io 0.3.13 written to /workspace/builds/worker-6-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 142 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding env_logger v0.10.2 (latest: v0.11.3)
[INFO] [stderr]       Adding generator v0.7.5 (latest: v0.8.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding loom v0.5.6 (latest: v0.7.1)
[INFO] [stderr]       Adding ntex v0.7.17 (latest: v1.2.1)
[INFO] [stderr]       Adding ntex-connect v0.3.4 (latest: v1.1.0)
[INFO] [stderr]       Adding ntex-h2 v0.4.4 (latest: v0.5.2)
[INFO] [stderr]       Adding ntex-io v0.3.17 (latest: v1.0.2)
[INFO] [stderr]       Adding ntex-service v1.2.7 (latest: v2.0.1)
[INFO] [stderr]       Adding ntex-tls v0.3.3 (latest: v1.1.0)
[INFO] [stderr]       Adding ntex-tokio v0.3.1 (latest: v0.4.0)
[INFO] [stderr]       Adding ntex-util v0.3.4 (latest: v1.0.1)
[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 regex-automata v0.1.10 (latest: v0.4.6)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows v0.48.0 (latest: v0.54.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ntex-connect v0.3.4
[INFO] [stderr]   Downloaded ntex-io v0.3.17
[INFO] [stderr]   Downloaded ntex-bytes v0.1.26
[INFO] [stderr]   Downloaded ntex-tokio v0.3.1
[INFO] [stderr]   Downloaded ntex-macros v0.1.3
[INFO] [stderr]   Downloaded ntex-http v0.1.12
[INFO] [stderr]   Downloaded ntex-tls v0.3.3
[INFO] [stderr]   Downloaded ntex-codec v0.6.2
[INFO] [stderr]   Downloaded ntex-router v0.5.3
[INFO] [stderr]   Downloaded oneshot v0.1.6
[INFO] [stderr]   Downloaded ntex-h2 v0.4.4
[INFO] [stderr]   Downloaded ntex v0.7.17
[INFO] [stderr]   Downloaded ntex-service v1.2.7
[INFO] [stderr]   Downloaded ntex-util v0.3.4
[INFO] [stderr]   Downloaded ntex-rt v0.4.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 88c9548d9e4ac21affd7c3c21e0e0dc6a1bf75ae979df846ab42a90254314da1
[INFO] running `Command { std: "docker" "start" "-a" "88c9548d9e4ac21affd7c3c21e0e0dc6a1bf75ae979df846ab42a90254314da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88c9548d9e4ac21affd7c3c21e0e0dc6a1bf75ae979df846ab42a90254314da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88c9548d9e4ac21affd7c3c21e0e0dc6a1bf75ae979df846ab42a90254314da1", kill_on_drop: false }`
[INFO] [stdout] 88c9548d9e4ac21affd7c3c21e0e0dc6a1bf75ae979df846ab42a90254314da1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f2bf78a6e75e781f335b0a08d10cd4dfa6455cf1adb1182e78bfa87f5b913ebf
[INFO] running `Command { std: "docker" "start" "-a" "f2bf78a6e75e781f335b0a08d10cd4dfa6455cf1adb1182e78bfa87f5b913ebf", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking oneshot v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking ntex-service v1.2.7
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking event-listener v5.3.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.1
[INFO] [stderr]     Checking async-channel v2.2.0
[INFO] [stderr]     Checking ntex-rt v0.4.13
[INFO] [stderr]     Checking ntex-util v0.3.4
[INFO] [stderr]    Compiling ntex-macros v0.1.3
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking polling v3.6.0
[INFO] [stderr]     Checking ntex-bytes v0.1.26
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking ntex-codec v0.6.2
[INFO] [stderr]     Checking ntex-http v0.1.12
[INFO] [stderr]     Checking ntex-router v0.5.3
[INFO] [stderr]     Checking ntex-io v0.3.17
[INFO] [stderr]     Checking ntex-io v0.3.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ntex-tokio v0.3.1
[INFO] [stderr]     Checking ntex-tls v0.3.3
[INFO] [stderr]     Checking ntex-connect v0.3.4
[INFO] [stderr]     Checking ntex-h2 v0.4.4
[INFO] [stderr]     Checking ntex v0.7.17
[INFO] [stdout] warning: the item `Seconds` is imported redundantly
[INFO] [stdout]    --> src/dispatcher.rs:604:63
[INFO] [stdout]     |
[INFO] [stdout] 604 |     use ntex_util::{future::Ready, time::sleep, time::Millis, time::Seconds};
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^
[INFO] [stdout] 605 |
[INFO] [stdout] 606 |     use super::*;
[INFO] [stdout]     |         -------- the item `Seconds` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `WriteBuf` is imported redundantly
[INFO] [stdout]    --> src/ioref.rs:321:60
[INFO] [stdout]     |
[INFO] [stdout] 320 |     use super::*;
[INFO] [stdout]     |         -------- the item `WriteBuf` is already imported here
[INFO] [stdout] 321 |     use crate::{testing::IoTest, FilterLayer, Io, ReadBuf, WriteBuf};
[INFO] [stdout]     |                                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.64s
[INFO] running `Command { std: "docker" "inspect" "f2bf78a6e75e781f335b0a08d10cd4dfa6455cf1adb1182e78bfa87f5b913ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2bf78a6e75e781f335b0a08d10cd4dfa6455cf1adb1182e78bfa87f5b913ebf", kill_on_drop: false }`
[INFO] [stdout] f2bf78a6e75e781f335b0a08d10cd4dfa6455cf1adb1182e78bfa87f5b913ebf