[INFO] fetching crate pix-br 0.1.0...
[INFO] building pix-br-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate pix-br 0.1.0 into /workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pix-br 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b50637e1f933e86471d5887bf05d48487abb8b17a461dbd184be0f44389f348
[INFO] running `Command { std: "docker" "start" "-a" "4b50637e1f933e86471d5887bf05d48487abb8b17a461dbd184be0f44389f348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b50637e1f933e86471d5887bf05d48487abb8b17a461dbd184be0f44389f348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b50637e1f933e86471d5887bf05d48487abb8b17a461dbd184be0f44389f348", kill_on_drop: false }`
[INFO] [stdout] 4b50637e1f933e86471d5887bf05d48487abb8b17a461dbd184be0f44389f348
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d55c8c9858ad664234820728971b32b4de19c1665abf814de796cf383f901acb
[INFO] running `Command { std: "docker" "start" "-a" "d55c8c9858ad664234820728971b32b4de19c1665abf814de796cf383f901acb", kill_on_drop: false }`
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling weezl v0.1.10
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling utf8-width v0.1.7
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[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 gif v0.11.4
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling qrcode-generator v4.1.9
[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 10.85s
[INFO] running `Command { std: "docker" "inspect" "d55c8c9858ad664234820728971b32b4de19c1665abf814de796cf383f901acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d55c8c9858ad664234820728971b32b4de19c1665abf814de796cf383f901acb", kill_on_drop: false }`
[INFO] [stdout] d55c8c9858ad664234820728971b32b4de19c1665abf814de796cf383f901acb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c7f641c62b0b8a576b3e9acbedf95876f7c2440c382a090462e61de3d3c5b8d
[INFO] running `Command { std: "docker" "start" "-a" "5c7f641c62b0b8a576b3e9acbedf95876f7c2440c382a090462e61de3d3c5b8d", kill_on_drop: false }`
[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]    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 `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "5c7f641c62b0b8a576b3e9acbedf95876f7c2440c382a090462e61de3d3c5b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c7f641c62b0b8a576b3e9acbedf95876f7c2440c382a090462e61de3d3c5b8d", kill_on_drop: false }`
[INFO] [stdout] 5c7f641c62b0b8a576b3e9acbedf95876f7c2440c382a090462e61de3d3c5b8d