[INFO] fetching crate reywen 0.1.23...
[INFO] checking reywen-0.1.23 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate reywen 0.1.23 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate reywen 0.1.23 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] started tweaking crates.io crate reywen 0.1.23
[INFO] finished tweaking crates.io crate reywen 0.1.23
[INFO] tweaked toml for crates.io crate reywen 0.1.23 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate reywen 0.1.23 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 validator v0.16.1
[INFO] [stderr]   Downloaded tempfile v3.7.1
[INFO] [stderr]   Downloaded cc v1.0.82
[INFO] [stderr]   Downloaded tungstenite v0.19.0
[INFO] [stderr]   Downloaded winnow v0.5.10
[INFO] [stderr]   Downloaded serde_derive v1.0.183
[INFO] [stderr]   Downloaded deranged v0.3.7
[INFO] [stderr]   Downloaded time v0.3.25
[INFO] [stderr]   Downloaded rustls-webpki v0.101.3
[INFO] [stderr]   Downloaded rustls v0.21.6
[INFO] [stderr]   Downloaded tokio v1.30.0
[INFO] [stderr]   Downloaded time-macros v0.2.11
[INFO] [stderr]   Downloaded iso8601-timestamp v0.2.11
[INFO] [stderr]   Downloaded tokio-tungstenite v0.19.0
[INFO] [stderr]   Downloaded aho-corasick v1.0.3
[INFO] [stderr]   Downloaded reywen_http v0.1.16
[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] ca236080377f244214b7b76f75a7bba7040771c61bfb7be54b8de227379af8ba
[INFO] running `Command { std: "docker" "start" "-a" "ca236080377f244214b7b76f75a7bba7040771c61bfb7be54b8de227379af8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca236080377f244214b7b76f75a7bba7040771c61bfb7be54b8de227379af8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca236080377f244214b7b76f75a7bba7040771c61bfb7be54b8de227379af8ba", kill_on_drop: false }`
[INFO] [stdout] ca236080377f244214b7b76f75a7bba7040771c61bfb7be54b8de227379af8ba
[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] 6623cd17bb1e3955cbc39676e17023b6c9470222915a262238ada5c43dd41de3
[INFO] running `Command { std: "docker" "start" "-a" "6623cd17bb1e3955cbc39676e17023b6c9470222915a262238ada5c43dd41de3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling openssl v0.10.56
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rustls v0.21.6
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]    Compiling winnow v0.5.10
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking deranged v0.3.7
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]    Compiling time-macros v0.2.11
[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking aho-corasick v1.0.3
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]     Checking time v0.3.25
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling openssl-sys v0.9.91
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling toml_edit v0.19.14
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking iso8601-timestamp v0.2.11
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling num_enum_derive v0.6.1
[INFO] [stderr]     Checking tokio v1.30.0
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking validator v0.16.1
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]     Checking num_enum v0.6.1
[INFO] [stderr]     Checking rustls-webpki v0.101.3
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking tungstenite v0.19.0
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-tungstenite v0.19.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking hyper-rustls v0.24.1
[INFO] [stderr]     Checking reywen_http v0.1.16
[INFO] [stderr]     Checking reywen v0.1.23 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/structures/media/convert.rs:54:25
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct ReplyWrapper(Option<Vec<Reply>>);
[INFO] [stdout]    |            ------------ ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct ReplyWrapper(());
[INFO] [stdout]    |                         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/structures/media/convert.rs:54:25
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct ReplyWrapper(Option<Vec<Reply>>);
[INFO] [stdout]    |            ------------ ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct ReplyWrapper(());
[INFO] [stdout]    |                         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.54s
[INFO] running `Command { std: "docker" "inspect" "6623cd17bb1e3955cbc39676e17023b6c9470222915a262238ada5c43dd41de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6623cd17bb1e3955cbc39676e17023b6c9470222915a262238ada5c43dd41de3", kill_on_drop: false }`
[INFO] [stdout] 6623cd17bb1e3955cbc39676e17023b6c9470222915a262238ada5c43dd41de3