[INFO] fetching crate downloader-rs 0.5.1... [INFO] checking downloader-rs-0.5.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate downloader-rs 0.5.1 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate downloader-rs 0.5.1 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 downloader-rs 0.5.1 [INFO] finished tweaking crates.io crate downloader-rs 0.5.1 [INFO] tweaked toml for crates.io crate downloader-rs 0.5.1 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] Locking 150 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 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 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 linux-raw-sys v0.4.13 (latest: v0.6.4) [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 reqwest v0.11.27 (latest: v0.12.3) [INFO] [stderr] Adding rustls-pemfile v1.0.4 (latest: v2.1.1) [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 wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [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] 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 fastcdc v3.1.0 [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] 7d57ee651eff14a40d5205f1d7a2bf3936d449576e52454a8a6356aa062f1849 [INFO] running `Command { std: "docker" "start" "-a" "7d57ee651eff14a40d5205f1d7a2bf3936d449576e52454a8a6356aa062f1849", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7d57ee651eff14a40d5205f1d7a2bf3936d449576e52454a8a6356aa062f1849", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d57ee651eff14a40d5205f1d7a2bf3936d449576e52454a8a6356aa062f1849", kill_on_drop: false }` [INFO] [stdout] 7d57ee651eff14a40d5205f1d7a2bf3936d449576e52454a8a6356aa062f1849 [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] c747fec3ae371347b3b2385826b3b1b8793f95f0a93d7f50d42894b20e7ec815 [INFO] running `Command { std: "docker" "start" "-a" "c747fec3ae371347b3b2385826b3b1b8793f95f0a93d7f50d42894b20e7ec815", kill_on_drop: false }` [INFO] [stderr] Compiling openssl-src v300.2.3+3.2.1 [INFO] [stderr] Compiling openssl v0.10.64 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking xxhash-rust v0.8.10 [INFO] [stderr] Compiling openssl-sys v0.9.102 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking h2 v0.3.26 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking hyper v0.14.28 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.27 [INFO] [stderr] Checking downloader-rs v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/download_service.rs:146:9 [INFO] [stdout] | [INFO] [stdout] 146 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> src/download_service.rs:147:9 [INFO] [stdout] | [INFO] [stdout] 147 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/download_service.rs:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::runtime` [INFO] [stdout] --> src/download_service.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | use tokio::runtime; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::time::Instant` [INFO] [stdout] --> src/download_service.rs:150:9 [INFO] [stdout] | [INFO] [stdout] 150 | use tokio::time::Instant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 54s [INFO] running `Command { std: "docker" "inspect" "c747fec3ae371347b3b2385826b3b1b8793f95f0a93d7f50d42894b20e7ec815", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c747fec3ae371347b3b2385826b3b1b8793f95f0a93d7f50d42894b20e7ec815", kill_on_drop: false }` [INFO] [stdout] c747fec3ae371347b3b2385826b3b1b8793f95f0a93d7f50d42894b20e7ec815 [INFO] checking downloader-rs-0.5.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate downloader-rs 0.5.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate downloader-rs 0.5.1 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 downloader-rs 0.5.1 [INFO] finished tweaking crates.io crate downloader-rs 0.5.1 [INFO] tweaked toml for crates.io crate downloader-rs 0.5.1 written to /workspace/builds/worker-3-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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 04b0a59ef323bcf02f33192b0fe19c64e7e4c977ce142baae386c31eced14d94 [INFO] running `Command { std: "docker" "start" "-a" "04b0a59ef323bcf02f33192b0fe19c64e7e4c977ce142baae386c31eced14d94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04b0a59ef323bcf02f33192b0fe19c64e7e4c977ce142baae386c31eced14d94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04b0a59ef323bcf02f33192b0fe19c64e7e4c977ce142baae386c31eced14d94", kill_on_drop: false }` [INFO] [stdout] 04b0a59ef323bcf02f33192b0fe19c64e7e4c977ce142baae386c31eced14d94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f6414d6c868721a259f8f2ab9bbfd2e912c843c72acf672c8087674d4f4d53f4 [INFO] running `Command { std: "docker" "start" "-a" "f6414d6c868721a259f8f2ab9bbfd2e912c843c72acf672c8087674d4f4d53f4", kill_on_drop: false }` [INFO] [stderr] Compiling openssl-src v300.2.3+3.2.1 [INFO] [stderr] Compiling openssl v0.10.64 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking xxhash-rust v0.8.10 [INFO] [stderr] Compiling openssl-sys v0.9.102 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking h2 v0.3.26 [INFO] [stderr] Checking hyper v0.14.28 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.27 [INFO] [stderr] Checking downloader-rs v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/download_service.rs:146:9 [INFO] [stdout] | [INFO] [stdout] 146 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> src/download_service.rs:147:9 [INFO] [stdout] | [INFO] [stdout] 147 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/download_service.rs:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::runtime` [INFO] [stdout] --> src/download_service.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | use tokio::runtime; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::time::Instant` [INFO] [stdout] --> src/download_service.rs:150:9 [INFO] [stdout] | [INFO] [stdout] 150 | use tokio::time::Instant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 22s [INFO] running `Command { std: "docker" "inspect" "f6414d6c868721a259f8f2ab9bbfd2e912c843c72acf672c8087674d4f4d53f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6414d6c868721a259f8f2ab9bbfd2e912c843c72acf672c8087674d4f4d53f4", kill_on_drop: false }` [INFO] [stdout] f6414d6c868721a259f8f2ab9bbfd2e912c843c72acf672c8087674d4f4d53f4