[INFO] fetching crate under 0.3.8... [INFO] checking under-0.3.8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate under 0.3.8 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate under 0.3.8 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 under 0.3.8 [INFO] finished tweaking crates.io crate under 0.3.8 [INFO] tweaked toml for crates.io crate under 0.3.8 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] Locking 164 packages [INFO] [stderr] Adding async-channel v1.9.0 (latest: v2.2.0) [INFO] [stderr] Adding base64 v0.13.1 (latest: v0.22.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cookie v0.16.2 (latest: v0.18.1) [INFO] [stderr] Adding event-listener v2.5.3 (latest: v5.3.0) [INFO] [stderr] Adding fastrand v1.9.0 (latest: v2.0.2) [INFO] [stderr] Adding futures-lite v1.13.0 (latest: v2.3.0) [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 heck v0.4.1 (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 http-range-header v0.3.1 (latest: v0.4.0) [INFO] [stderr] Adding hyper v0.14.28 (latest: v1.2.0) [INFO] [stderr] Adding infer v0.2.3 (latest: v0.15.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [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 redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding serde_qs v0.8.5 (latest: v0.12.0) [INFO] [stderr] Adding serde_qs v0.9.2 (latest: v0.12.0) [INFO] [stderr] Adding siphasher v0.3.11 (latest: v1.0.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding tower-http v0.3.5 (latest: v0.5.2) [INFO] [stderr] Adding wasi v0.9.0+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] 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-sse v5.1.0 [INFO] [stderr] Downloaded serde_qs v0.9.2 [INFO] [stderr] Downloaded under_derive v0.2.4 [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] df22f47295071d2c579c25d85980943089eabfb431323711191473ac093a304e [INFO] running `Command { std: "docker" "start" "-a" "df22f47295071d2c579c25d85980943089eabfb431323711191473ac093a304e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df22f47295071d2c579c25d85980943089eabfb431323711191473ac093a304e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df22f47295071d2c579c25d85980943089eabfb431323711191473ac093a304e", kill_on_drop: false }` [INFO] [stdout] df22f47295071d2c579c25d85980943089eabfb431323711191473ac093a304e [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] 3d9ddb66c97fddca97a953c6f6ac7f0b64b9037db22b3b223a27b9b50a1b13ba [INFO] running `Command { std: "docker" "start" "-a" "3d9ddb66c97fddca97a953c6f6ac7f0b64b9037db22b3b223a27b9b50a1b13ba", kill_on_drop: false }` [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling semver v1.0.22 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking waker-fn v1.1.1 [INFO] [stderr] Compiling phf_shared v0.11.2 [INFO] [stderr] Compiling num-conv v0.1.0 [INFO] [stderr] Checking concurrent-queue v2.4.0 [INFO] [stderr] Compiling http-types v2.12.0 [INFO] [stderr] Checking powerfmt v0.2.0 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Compiling time-core v0.1.2 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Compiling phf_generator v0.11.2 [INFO] [stderr] Compiling time-macros v0.2.17 [INFO] [stderr] Checking deranged v0.3.11 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Checking serde_qs v0.8.5 [INFO] [stderr] Compiling cookie v0.16.2 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking tower-layer v0.3.2 [INFO] [stderr] Checking infer v0.2.3 [INFO] [stderr] Compiling under v0.3.8 (/opt/rustwide/workdir) [INFO] [stderr] Compiling phf_macros v0.11.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Checking http-range-header v0.3.1 [INFO] [stderr] Checking time v0.3.34 [INFO] [stderr] Checking tower v0.4.13 [INFO] [stderr] Checking serde_qs v0.9.2 [INFO] [stderr] Checking phf v0.11.2 [INFO] [stderr] Checking async-sse v5.1.0 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking tower-http v0.3.5 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking h2 v0.3.26 [INFO] [stderr] Compiling under_derive v0.2.4 [INFO] [stderr] Checking hyper v0.14.28 [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/request/mod.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/response.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Request` is imported redundantly [INFO] [stdout] --> src/router/mod.rs:263:9 [INFO] [stdout] | [INFO] [stdout] 262 | use super::*; [INFO] [stdout] | -------- the item `Request` is already imported here [INFO] [stdout] 263 | use crate::request::Request; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Response` is imported redundantly [INFO] [stdout] --> src/router/mod.rs:264:9 [INFO] [stdout] | [INFO] [stdout] 262 | use super::*; [INFO] [stdout] | -------- the item `Response` is already imported here [INFO] [stdout] 263 | use crate::request::Request; [INFO] [stdout] 264 | use crate::response::Response; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/request/mod.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/response.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.20s [INFO] running `Command { std: "docker" "inspect" "3d9ddb66c97fddca97a953c6f6ac7f0b64b9037db22b3b223a27b9b50a1b13ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d9ddb66c97fddca97a953c6f6ac7f0b64b9037db22b3b223a27b9b50a1b13ba", kill_on_drop: false }` [INFO] [stdout] 3d9ddb66c97fddca97a953c6f6ac7f0b64b9037db22b3b223a27b9b50a1b13ba