[INFO] fetching crate kkb 0.1.1...
[INFO] testing kkb-0.1.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate kkb 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate kkb 0.1.1
[INFO] finished tweaking crates.io crate kkb 0.1.1
[INFO] tweaked toml for crates.io crate kkb 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kkb 0.1.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kkb 0.1.1 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wallpaper v3.2.0
[INFO] [stderr]   Downloaded winreg v0.9.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae8307a325e704546e100f0f02962b2e33b84df40619c191e89b532e1116a589
[INFO] running `Command { std: "docker" "start" "-a" "ae8307a325e704546e100f0f02962b2e33b84df40619c191e89b532e1116a589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae8307a325e704546e100f0f02962b2e33b84df40619c191e89b532e1116a589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8307a325e704546e100f0f02962b2e33b84df40619c191e89b532e1116a589", kill_on_drop: false }`
[INFO] [stdout] ae8307a325e704546e100f0f02962b2e33b84df40619c191e89b532e1116a589
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fd739ec97b4841eeb8f762b4bd364deb235b887c7ba76916b8002cb44b9137f
[INFO] running `Command { std: "docker" "start" "-a" "5fd739ec97b4841eeb8f762b4bd364deb235b887c7ba76916b8002cb44b9137f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling ring v0.17.3
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling anstyle-parse v0.2.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling rustls v0.21.8
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling clap_builder v4.4.7
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling webpki-roots v0.25.2
[INFO] [stderr]    Compiling rust-ini v0.12.2
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling base64 v0.21.5
[INFO] [stderr]    Compiling url v2.4.1
[INFO] [stderr]    Compiling directories-next v2.0.0
[INFO] [stderr]    Compiling uuid v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling enquote v1.1.0
[INFO] [stderr]    Compiling wallpaper v3.2.0
[INFO] [stderr]    Compiling clap v4.4.7
[INFO] [stderr]    Compiling ureq v2.8.0
[INFO] [stderr]    Compiling kkb v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/images.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fs::{self, File},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::decode`: Use Engine::decode
[INFO] [stdout]   --> src/images.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |         base64::decode(&self.base64).expect("Failed to decode base64 string")
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GenError` is never constructed
[INFO] [stdout]   --> src/error.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum KKBError {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] 10 |     GenError(&'static str),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KKBError` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.45s
[INFO] running `Command { std: "docker" "inspect" "5fd739ec97b4841eeb8f762b4bd364deb235b887c7ba76916b8002cb44b9137f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd739ec97b4841eeb8f762b4bd364deb235b887c7ba76916b8002cb44b9137f", kill_on_drop: false }`
[INFO] [stdout] 5fd739ec97b4841eeb8f762b4bd364deb235b887c7ba76916b8002cb44b9137f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f27eb6f15fa9d8b5eb1016e9d840454b2efa7d72c677e816b2ed8533bce1d655
[INFO] running `Command { std: "docker" "start" "-a" "f27eb6f15fa9d8b5eb1016e9d840454b2efa7d72c677e816b2ed8533bce1d655", kill_on_drop: false }`
[INFO] [stderr]    Compiling kkb v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/images.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fs::{self, File},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::decode`: Use Engine::decode
[INFO] [stdout]   --> src/images.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |         base64::decode(&self.base64).expect("Failed to decode base64 string")
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GenError` is never constructed
[INFO] [stdout]   --> src/error.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum KKBError {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] 10 |     GenError(&'static str),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KKBError` 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "f27eb6f15fa9d8b5eb1016e9d840454b2efa7d72c677e816b2ed8533bce1d655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f27eb6f15fa9d8b5eb1016e9d840454b2efa7d72c677e816b2ed8533bce1d655", kill_on_drop: false }`
[INFO] [stdout] f27eb6f15fa9d8b5eb1016e9d840454b2efa7d72c677e816b2ed8533bce1d655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff709355f429e27e8756f47b8e4daad10f7dc3b291b014c0e781f5f5377f0dfc
[INFO] running `Command { std: "docker" "start" "-a" "ff709355f429e27e8756f47b8e4daad10f7dc3b291b014c0e781f5f5377f0dfc", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/images.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 |     fs::{self, File},
[INFO] [stderr]   |          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `base64::decode`: Use Engine::decode
[INFO] [stderr]   --> src/images.rs:27:17
[INFO] [stderr]    |
[INFO] [stderr] 27 |         base64::decode(&self.base64).expect("Failed to decode base64 string")
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `GenError` is never constructed
[INFO] [stderr]   --> src/error.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub enum KKBError {
[INFO] [stderr]    |          -------- variant in this enum
[INFO] [stderr] 10 |     GenError(&'static str),
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `KKBError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `kkb` (bin "kkb" test) generated 3 warnings (run `cargo fix --bin "kkb" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/kkb-29918ff96316abd7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff709355f429e27e8756f47b8e4daad10f7dc3b291b014c0e781f5f5377f0dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff709355f429e27e8756f47b8e4daad10f7dc3b291b014c0e781f5f5377f0dfc", kill_on_drop: false }`
[INFO] [stdout] ff709355f429e27e8756f47b8e4daad10f7dc3b291b014c0e781f5f5377f0dfc