[INFO] fetching crate readmdict 0.1.0...
[INFO] testing readmdict-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate readmdict 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate readmdict 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate readmdict 0.1.0
[INFO] tweaked toml for crates.io crate readmdict 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate readmdict 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate readmdict 0.1.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded salsa20 v0.10.2
[INFO] [stderr]   Downloaded clap_derive v4.5.41
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[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
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[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling clap_builder v4.5.43
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling ripemd v0.1.3
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling salsa20 v0.10.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling clap_derive v4.5.41
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling clap v4.5.43
[INFO] [stderr]    Compiling readmdict v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Encoding` is never constructed
[INFO] [stdout]   --> src/readmdict.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum Error {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 31 |     Encoding(String),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]    --> src/readmdict.rs:195:12
[INFO] [stdout]     |
[INFO] [stdout] 156 | impl MDict {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 195 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]     --> src/readmdict.rs:1004:12
[INFO] [stdout]      |
[INFO] [stdout]  802 | impl Mdx {
[INFO] [stdout]      | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1004 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]      |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty` and `keys` are never used
[INFO] [stdout]     --> src/readmdict.rs:1151:12
[INFO] [stdout]      |
[INFO] [stdout] 1024 | impl Mdd {
[INFO] [stdout]      | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1151 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]      |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1155 |     pub fn keys(&self) -> impl Iterator<Item = &[u8]> {
[INFO] [stdout]      |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.66s
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[INFO] running `Command { std: "docker" "rm" "-f" "35d4542d5ecaca959572f3eb1d46106f7ceff2cd163ab3159891d64a5d71e1ce", kill_on_drop: false }`
[INFO] [stdout] 35d4542d5ecaca959572f3eb1d46106f7ceff2cd163ab3159891d64a5d71e1ce
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c80e984ac061312fee6f976077b3d1808defa9f8bcb90abe5d930b3c8969b404
[INFO] running `Command { std: "docker" "start" "-a" "c80e984ac061312fee6f976077b3d1808defa9f8bcb90abe5d930b3c8969b404", kill_on_drop: false }`
[INFO] [stderr]    Compiling readmdict v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `rust_readmdict` in this scope
[INFO] [stdout]  --> examples/show_mdd.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rust_readmdict::readmdict::Mdd;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `rust_readmdict`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rust_readmdict`, use `cargo add rust_readmdict` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `readmdict` (example "show_mdd") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: cannot find module or crate `rust_readmdict` in this scope
[INFO] [stdout]  --> examples/play_audio.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rust_readmdict::readmdict::Mdd;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `rust_readmdict`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rust_readmdict`, use `cargo add rust_readmdict` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]   --> examples/play_audio.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |     for (filename, content) in mdd_items {
[INFO] [stdout]    |          ^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout]    = note: all local variables must have a statically known size
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]   --> examples/play_audio.rs:50:32
[INFO] [stdout]    |
[INFO] [stdout] 50 |     for (filename, content) in mdd_items {
[INFO] [stdout]    |                                ^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout]    = note: only the last element of a tuple may have a dynamically sized type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Encoding` is never constructed
[INFO] [stdout]   --> src/readmdict.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum Error {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 31 |     Encoding(String),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]    --> src/readmdict.rs:195:12
[INFO] [stdout]     |
[INFO] [stdout] 156 | impl MDict {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 195 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]     --> src/readmdict.rs:1004:12
[INFO] [stdout]      |
[INFO] [stdout]  802 | impl Mdx {
[INFO] [stdout]      | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1004 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]      |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty` and `keys` are never used
[INFO] [stdout]     --> src/readmdict.rs:1151:12
[INFO] [stdout]      |
[INFO] [stdout] 1024 | impl Mdd {
[INFO] [stdout]      | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1151 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]      |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1155 |     pub fn keys(&self) -> impl Iterator<Item = &[u8]> {
[INFO] [stdout]      |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `readmdict` (example "play_audio") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "c80e984ac061312fee6f976077b3d1808defa9f8bcb90abe5d930b3c8969b404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c80e984ac061312fee6f976077b3d1808defa9f8bcb90abe5d930b3c8969b404", kill_on_drop: false }`
[INFO] [stdout] c80e984ac061312fee6f976077b3d1808defa9f8bcb90abe5d930b3c8969b404