[INFO] fetching crate zipng 0.20221122.0-dev.3...
[INFO] testing zipng-0.20221122.0-dev.3 against 1.91.0 for beta-1.92-2
[INFO] extracting crate zipng 0.20221122.0-dev.3 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate zipng 0.20221122.0-dev.3
[INFO] finished tweaking crates.io crate zipng 0.20221122.0-dev.3
[INFO] tweaked toml for crates.io crate zipng 0.20221122.0-dev.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zipng 0.20221122.0-dev.3 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zipng 0.20221122.0-dev.3 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v1.0.4
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] [stderr]   Downloaded unicode-ident v1.0.5
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded crc v3.0.0
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[INFO] [stderr]   Downloaded volatile-register v0.2.1
[INFO] [stderr]   Downloaded riscv-target v0.1.2
[INFO] [stderr]   Downloaded ryu v1.0.11
[INFO] [stderr]   Downloaded crc-catalog v2.1.0
[INFO] [stderr]   Downloaded miniz_oxide v0.5.4
[INFO] [stderr]   Downloaded flate2 v1.0.24
[INFO] [stderr]   Downloaded serde v1.0.147
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[INFO] [stderr]   Downloaded cortex-m v0.7.6
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[INFO] [stderr]   Downloaded serde_json v1.0.88
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[INFO] [stderr]   Downloaded semver v1.0.14
[INFO] [stderr]   Downloaded spin v0.9.4
[INFO] [stderr]   Downloaded serde_bytes v0.11.7
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
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[INFO] [stderr]   Downloaded brotli v3.3.4
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59e7857f850f94b4d4defed09e05f381b0a6f4b2f800c2b0e0cae005f2e04dcd
[INFO] running `Command { std: "docker" "start" "-a" "59e7857f850f94b4d4defed09e05f381b0a6f4b2f800c2b0e0cae005f2e04dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59e7857f850f94b4d4defed09e05f381b0a6f4b2f800c2b0e0cae005f2e04dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e7857f850f94b4d4defed09e05f381b0a6f4b2f800c2b0e0cae005f2e04dcd", kill_on_drop: false }`
[INFO] [stdout] 59e7857f850f94b4d4defed09e05f381b0a6f4b2f800c2b0e0cae005f2e04dcd
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1d59182f875383643ac7f8d39f1ab866c38c719a804ffda3990529573ed44f6
[INFO] running `Command { std: "docker" "start" "-a" "d1d59182f875383643ac7f8d39f1ab866c38c719a804ffda3990529573ed44f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling serde_json v1.0.88
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.5.4
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling spin v0.9.4
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling brotli-decompressor v2.3.2
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling crc-catalog v2.1.0
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]    Compiling crc v3.0.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.4
[INFO] [stderr]    Compiling bytemuck v1.12.3
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling bstr v1.0.1
[INFO] [stderr]    Compiling brotli v3.3.4
[INFO] [stderr]    Compiling serde_bytes v0.11.7
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling zipng v0.20221122.0-dev.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(doc_cfg, doc_auto_cfg)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `From` and `Into`
[INFO] [stdout]  --> src/lib.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 |     derive_more::{From, Into},
[INFO] [stdout]   |                   ^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cast` and `tracing::warn`
[INFO] [stdout]  --> src/png/to_png.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 |     bytemuck::{bytes_of, cast},
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout] 8 |     std::borrow::Cow::{self, Borrowed, Owned},
[INFO] [stdout] 9 |     tracing::warn,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Lsb0`, `Msb0`, `Png`, `panic`, `std::fmt::Debug`, and `view::AsBits`
[INFO] [stdout]   --> src/text.rs:6:13
[INFO] [stdout]    |
[INFO] [stdout]  6 |     crate::{panic, Png},
[INFO] [stdout]    |             ^^^^^  ^^^
[INFO] [stdout]  7 |     bitvec::{
[INFO] [stdout]  8 |         order::{Lsb0, Msb0},
[INFO] [stdout]    |                 ^^^^  ^^^^
[INFO] [stdout]  9 |         view::AsBits,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 10 |     },
[INFO] [stdout] 11 |     std::fmt::Debug,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ToPng` and `generic::never`
[INFO] [stdout]  --> src/zip/configuration.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 |     crate::{default, generic::never, ToPng, Zip},
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `deflate::*`, `poly::*`, and `zlib::*`
[INFO] [stdout]   --> src/lib.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub use crate::{checksums::*, deflate::*, generic::*, png::*, poly::*, text::*, zip::*, zlib::*};
[INFO] [stdout]    |                               ^^^^^^^^^^                      ^^^^^^^                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/generic.rs:115:19
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn cmp(&self, other: &Self) -> Ordering {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/generic.rs:121:42
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn hash<H: std::hash::Hasher>(&self, state: &mut H) {}
[INFO] [stdout]     |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/png/data.rs:30:25
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn write(&self, output: &impl Write) -> Result<usize, panic> {
[INFO] [stdout]    |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/png/data.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn read(input: &impl Read) -> Result<Self, panic> {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/png/data.rs:54:33
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn set_pixel(&mut self, x: u32, y: u32, color: &[u8]) -> Result<(), ()> {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/png/data.rs:54:41
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn set_pixel(&mut self, x: u32, y: u32, color: &[u8]) -> Result<(), ()> {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]   --> src/png/data.rs:54:49
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn set_pixel(&mut self, x: u32, y: u32, color: &[u8]) -> Result<(), ()> {
[INFO] [stdout]    |                                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/zip.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn write(&self, output: &mut impl Write) -> Result<usize, panic> {
[INFO] [stdout]    |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/zip.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn read(input: &impl Read) -> Result<Self, panic> {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zipng` (lib) due to 1 previous error; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d1d59182f875383643ac7f8d39f1ab866c38c719a804ffda3990529573ed44f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1d59182f875383643ac7f8d39f1ab866c38c719a804ffda3990529573ed44f6", kill_on_drop: false }`
[INFO] [stdout] d1d59182f875383643ac7f8d39f1ab866c38c719a804ffda3990529573ed44f6
