[INFO] fetching crate dcss-api 0.1.4...
[INFO] checking dcss-api-0.1.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate dcss-api 0.1.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate dcss-api 0.1.4 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate dcss-api 0.1.4
[INFO] finished tweaking crates.io crate dcss-api 0.1.4
[INFO] tweaked toml for crates.io crate dcss-api 0.1.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate dcss-api 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded data-encoding v2.4.0
[INFO] [stderr]   Downloaded unindent v0.2.3
[INFO] [stderr]   Downloaded pyo3-build-config v0.20.0
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[INFO] [stderr]   Downloaded indoc v2.0.4
[INFO] [stderr]   Downloaded pyo3-ffi v0.20.0
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.20.0
[INFO] [stderr]   Downloaded openssl v0.10.57
[INFO] [stderr]   Downloaded pyo3 v0.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c310e7d3553747fe6337dd243757f07d0004ff7076c0e254cc26c338aa4ece53
[INFO] running `Command { std: "docker" "start" "-a" "c310e7d3553747fe6337dd243757f07d0004ff7076c0e254cc26c338aa4ece53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c310e7d3553747fe6337dd243757f07d0004ff7076c0e254cc26c338aa4ece53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c310e7d3553747fe6337dd243757f07d0004ff7076c0e254cc26c338aa4ece53", kill_on_drop: false }`
[INFO] [stdout] c310e7d3553747fe6337dd243757f07d0004ff7076c0e254cc26c338aa4ece53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43b99aedc2c4b52847dda59bbf21fed58c607789ba6a374592dfc65dcd83fb3f
[INFO] running `Command { std: "docker" "start" "-a" "43b99aedc2c4b52847dda59bbf21fed58c607789ba6a374592dfc65dcd83fb3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling target-lexicon v0.12.12
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]     Checking utf-8 v0.7.6
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[INFO] [stderr]     Checking parking_lot_core v0.9.9
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[INFO] [stderr]    Compiling openssl-src v300.1.6+3.1.4
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling libz-sys v1.1.12
[INFO] [stderr]    Compiling pyo3-ffi v0.20.0
[INFO] [stderr]    Compiling pyo3 v0.20.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling pyo3-macros-backend v0.20.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling pyo3-macros v0.20.0
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking dcss-api v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/common.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::result::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Result` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::result::Result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Result` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tungstenite` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | use tungstenite::{self, protocol::WebSocket, stream::MaybeTlsStream};
[INFO] [stdout]    |                   ^^^^ the item `tungstenite` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/common.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::result::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Result` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::result::Result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Result` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tungstenite` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | use tungstenite::{self, protocol::WebSocket, stream::MaybeTlsStream};
[INFO] [stdout]    |                   ^^^^ the item `tungstenite` is already defined by prelude
[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 33.84s
[INFO] running `Command { std: "docker" "inspect" "43b99aedc2c4b52847dda59bbf21fed58c607789ba6a374592dfc65dcd83fb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b99aedc2c4b52847dda59bbf21fed58c607789ba6a374592dfc65dcd83fb3f", kill_on_drop: false }`
[INFO] [stdout] 43b99aedc2c4b52847dda59bbf21fed58c607789ba6a374592dfc65dcd83fb3f