[INFO] fetching crate pix-br 0.1.0...
[INFO] testing pix-br-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate pix-br 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate pix-br 0.1.0
[INFO] finished tweaking crates.io crate pix-br 0.1.0
[INFO] tweaked toml for crates.io crate pix-br 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pix-br 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 54 packages to latest compatible versions
[INFO] [stderr]       Adding qrcode-generator v4.1.9 (available: v5.0.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded qrcodegen v1.8.0
[INFO] [stderr]   Downloaded html-escape v0.2.13
[INFO] [stderr]   Downloaded qrcode-generator v4.1.9
[INFO] [stderr]   Downloaded ucd-util v0.1.10
[INFO] [stderr]   Downloaded unidecode v0.3.0
[INFO] [stderr]   Downloaded image-base64-wasm v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 47a6d09139b7ec36882dddedc6a34fb3b8e61190195dbd5212ff245bdbb5b136
[INFO] running `Command { std: "docker" "start" "-a" "47a6d09139b7ec36882dddedc6a34fb3b8e61190195dbd5212ff245bdbb5b136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47a6d09139b7ec36882dddedc6a34fb3b8e61190195dbd5212ff245bdbb5b136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a6d09139b7ec36882dddedc6a34fb3b8e61190195dbd5212ff245bdbb5b136", kill_on_drop: false }`
[INFO] [stdout] 47a6d09139b7ec36882dddedc6a34fb3b8e61190195dbd5212ff245bdbb5b136
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2bf8af7f1fd998f7f1a2a03d11887fcd536c103a9272d3a4a9eca7f48856dc4e
[INFO] running `Command { std: "docker" "start" "-a" "2bf8af7f1fd998f7f1a2a03d11887fcd536c103a9272d3a4a9eca7f48856dc4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling gif v0.11.4
[INFO] [stderr]    Compiling utf8-width v0.1.7
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling html-escape v0.2.13
[INFO] [stderr]    Compiling qrcodegen v1.8.0
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling unidecode v0.3.0
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling qrcode-generator v4.1.9
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling image-base64-wasm v0.6.0
[INFO] [stderr]    Compiling pix-br v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `slice` is never used
[INFO] [stdout]   --> src/lib.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     trait StringUtils {
[INFO] [stdout]    |           ----------- method in this trait
[INFO] [stdout] 22 |         fn substring(&self, start: usize, len: usize) -> &str;
[INFO] [stdout] 23 |         fn slice(&self, range: impl RangeBounds<usize>) -> &str;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.59s
[INFO] running `Command { std: "docker" "inspect" "2bf8af7f1fd998f7f1a2a03d11887fcd536c103a9272d3a4a9eca7f48856dc4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf8af7f1fd998f7f1a2a03d11887fcd536c103a9272d3a4a9eca7f48856dc4e", kill_on_drop: false }`
[INFO] [stdout] 2bf8af7f1fd998f7f1a2a03d11887fcd536c103a9272d3a4a9eca7f48856dc4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0aa229f4d4c1ace9d74b0cc820da4684ecffc1d04272824007489cbb258ddf9
[INFO] running `Command { std: "docker" "start" "-a" "e0aa229f4d4c1ace9d74b0cc820da4684ecffc1d04272824007489cbb258ddf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling pix-br v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `slice` is never used
[INFO] [stdout]   --> src/lib.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     trait StringUtils {
[INFO] [stdout]    |           ----------- method in this trait
[INFO] [stdout] 22 |         fn substring(&self, start: usize, len: usize) -> &str;
[INFO] [stdout] 23 |         fn slice(&self, range: impl RangeBounds<usize>) -> &str;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `slice` is never used
[INFO] [stdout]   --> src/lib.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     trait StringUtils {
[INFO] [stdout]    |           ----------- method in this trait
[INFO] [stdout] 22 |         fn substring(&self, start: usize, len: usize) -> &str;
[INFO] [stdout] 23 |         fn slice(&self, range: impl RangeBounds<usize>) -> &str;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "e0aa229f4d4c1ace9d74b0cc820da4684ecffc1d04272824007489cbb258ddf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0aa229f4d4c1ace9d74b0cc820da4684ecffc1d04272824007489cbb258ddf9", kill_on_drop: false }`
[INFO] [stdout] e0aa229f4d4c1ace9d74b0cc820da4684ecffc1d04272824007489cbb258ddf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9e33f43e798a79582f2782ce52c791f8f59c9a8db3ba4672951cce2b2f11e39f
[INFO] running `Command { std: "docker" "start" "-a" "9e33f43e798a79582f2782ce52c791f8f59c9a8db3ba4672951cce2b2f11e39f", kill_on_drop: false }`
[INFO] [stderr] warning: method `slice` is never used
[INFO] [stderr]   --> src/lib.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |     trait StringUtils {
[INFO] [stderr]    |           ----------- method in this trait
[INFO] [stderr] 22 |         fn substring(&self, start: usize, len: usize) -> &str;
[INFO] [stderr] 23 |         fn slice(&self, range: impl RangeBounds<usize>) -> &str;
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pix-br` (lib) generated 1 warning
[INFO] [stderr] warning: `pix-br` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pix_br-08561ca9cfd0d1c3)
[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] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-cac3c04d75610f93)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::full_data ... ok
[INFO] [stderr]    Doc-tests pix_br
[INFO] [stdout] test tests::empty_amount ... ok
[INFO] [stdout] test tests::some_data ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "9e33f43e798a79582f2782ce52c791f8f59c9a8db3ba4672951cce2b2f11e39f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e33f43e798a79582f2782ce52c791f8f59c9a8db3ba4672951cce2b2f11e39f", kill_on_drop: false }`
[INFO] [stdout] 9e33f43e798a79582f2782ce52c791f8f59c9a8db3ba4672951cce2b2f11e39f