[INFO] fetching crate firebase-rs 2.0.9... [INFO] checking firebase-rs-2.0.9 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate firebase-rs 2.0.9 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate firebase-rs 2.0.9 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] removed /workspace/builds/worker-3-tc1/source/.cargo/config [INFO] started tweaking crates.io crate firebase-rs 2.0.9 [INFO] finished tweaking crates.io crate firebase-rs 2.0.9 [INFO] tweaked toml for crates.io crate firebase-rs 2.0.9 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 151 packages [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 ct-logs v0.8.0 (latest: v0.9.0) [INFO] [stderr] Adding eventsource-client v0.10.2 (latest: v0.12.2) [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-rustls v0.22.1 (latest: v0.27.0) [INFO] [stderr] Adding hyper-timeout v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding hyper-tls v0.5.0 (latest: v0.6.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [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 reqwest v0.11.27 (latest: v0.12.3) [INFO] [stderr] Adding ring v0.16.20 (latest: v0.17.8) [INFO] [stderr] Adding rustls v0.19.1 (latest: v0.23.4) [INFO] [stderr] Adding rustls-native-certs v0.5.0 (latest: v0.7.0) [INFO] [stderr] Adding rustls-pemfile v1.0.4 (latest: v2.1.1) [INFO] [stderr] Adding sct v0.6.1 (latest: v0.7.1) [INFO] [stderr] Adding spin v0.5.2 (latest: v0.9.8) [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 v0.22.0 (latest: v0.26.0) [INFO] [stderr] Adding untrusted v0.7.1 (latest: v0.9.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding webpki v0.21.4 (latest: v0.22.4) [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] Downloading crates ... [INFO] [stderr] Downloaded tokio-io-timeout v1.2.0 [INFO] [stderr] Downloaded hyper-timeout v0.4.1 [INFO] [stderr] Downloaded eventsource-client v0.10.2 [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] b621903e95d53a9806dba7b3bd3b781abba720a7641ab14876924eae21d18cb1 [INFO] running `Command { std: "docker" "start" "-a" "b621903e95d53a9806dba7b3bd3b781abba720a7641ab14876924eae21d18cb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b621903e95d53a9806dba7b3bd3b781abba720a7641ab14876924eae21d18cb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b621903e95d53a9806dba7b3bd3b781abba720a7641ab14876924eae21d18cb1", kill_on_drop: false }` [INFO] [stdout] b621903e95d53a9806dba7b3bd3b781abba720a7641ab14876924eae21d18cb1 [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] b2b591c0b5cb28a7747f99f44493a7334e4a9d0e3347769df9aa1e57917dd6dd [INFO] running `Command { std: "docker" "start" "-a" "b2b591c0b5cb28a7747f99f44493a7334e4a9d0e3347769df9aa1e57917dd6dd", kill_on_drop: false }` [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking sct v0.6.1 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking ct-logs v0.8.0 [INFO] [stderr] Checking rustls v0.19.1 [INFO] [stderr] Checking rustls-native-certs v0.5.0 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking tokio-rustls v0.22.0 [INFO] [stderr] Checking tokio-io-timeout v1.2.0 [INFO] [stderr] Checking h2 v0.3.26 [INFO] [stderr] Checking hyper v0.14.28 [INFO] [stderr] Checking hyper-rustls v0.22.1 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking hyper-timeout v0.4.1 [INFO] [stderr] Checking reqwest v0.11.27 [INFO] [stderr] Checking eventsource-client v0.10.2 [INFO] [stderr] Checking firebase-rs v2.0.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::errors::ServerEventError` [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::errors::ServerEventError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::errors::ServerEventError` [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::errors::ServerEventError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/sse.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let mut client = ClientBuilder::for_url(url); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/sse.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let mut client = ClientBuilder::for_url(url); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ConnectionError` is never constructed [INFO] [stdout] --> src/errors.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 46 | pub enum ServerEventError { [INFO] [stdout] | ---------------- variant in this enum [INFO] [stdout] 47 | ConnectionError, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ServerEventError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ConnectionError` is never constructed [INFO] [stdout] --> src/errors.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 46 | pub enum ServerEventError { [INFO] [stdout] | ---------------- variant in this enum [INFO] [stdout] 47 | ConnectionError, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ServerEventError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.22s [INFO] running `Command { std: "docker" "inspect" "b2b591c0b5cb28a7747f99f44493a7334e4a9d0e3347769df9aa1e57917dd6dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2b591c0b5cb28a7747f99f44493a7334e4a9d0e3347769df9aa1e57917dd6dd", kill_on_drop: false }` [INFO] [stdout] b2b591c0b5cb28a7747f99f44493a7334e4a9d0e3347769df9aa1e57917dd6dd