[INFO] cloning repository https://github.com/acsandmann/captcha
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acsandmann/captcha" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facsandmann%2Fcaptcha", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facsandmann%2Fcaptcha'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07fdec043488b96a7770f33ce4804eb7e95f8533
[INFO] checking acsandmann/captcha against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facsandmann%2Fcaptcha" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/acsandmann/captcha on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/acsandmann/captcha
[INFO] finished tweaking git repo https://github.com/acsandmann/captcha
[INFO] tweaked toml for git repo https://github.com/acsandmann/captcha written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/acsandmann/captcha 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fontdue v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a35480107e4ae35635b60b869b0af140a53c42a81ec598978e0b7686266a63ac
[INFO] running `Command { std: "docker" "start" "-a" "a35480107e4ae35635b60b869b0af140a53c42a81ec598978e0b7686266a63ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a35480107e4ae35635b60b869b0af140a53c42a81ec598978e0b7686266a63ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a35480107e4ae35635b60b869b0af140a53c42a81ec598978e0b7686266a63ac", kill_on_drop: false }`
[INFO] [stdout] a35480107e4ae35635b60b869b0af140a53c42a81ec598978e0b7686266a63ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 913a0457dcd5a91e9b0dd1a3cd98ac5ef950cd67bf0b43fc177cc75a2d57dd36
[INFO] running `Command { std: "docker" "start" "-a" "913a0457dcd5a91e9b0dd1a3cd98ac5ef950cd67bf0b43fc177cc75a2d57dd36", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking ttf-parser v0.20.0
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking owned_ttf_parser v0.15.2
[INFO] [stderr]     Checking rusttype v0.9.3
[INFO] [stderr]     Checking fontdue v0.8.0
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking imageproc v0.22.0
[INFO] [stderr]     Checking captcha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]   --> src/lib.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |   pub struct layout_raster {
[INFO] [stdout]    |              ------------- fields in this struct
[INFO] [stdout] 33 |     pub width: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 34 |     pub height: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `layout_raster` 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]   --> src/lib.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |   pub struct layout_raster {
[INFO] [stdout]    |              ------------- fields in this struct
[INFO] [stdout] 33 |     pub width: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 34 |     pub height: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `layout_raster` 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.35s
[INFO] running `Command { std: "docker" "inspect" "913a0457dcd5a91e9b0dd1a3cd98ac5ef950cd67bf0b43fc177cc75a2d57dd36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "913a0457dcd5a91e9b0dd1a3cd98ac5ef950cd67bf0b43fc177cc75a2d57dd36", kill_on_drop: false }`
[INFO] [stdout] 913a0457dcd5a91e9b0dd1a3cd98ac5ef950cd67bf0b43fc177cc75a2d57dd36
[INFO] checking acsandmann/captcha against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facsandmann%2Fcaptcha" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/acsandmann/captcha on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/acsandmann/captcha
[INFO] finished tweaking git repo https://github.com/acsandmann/captcha
[INFO] tweaked toml for git repo https://github.com/acsandmann/captcha written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/acsandmann/captcha 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3e44dfa08e823f761fd63dc5600271e981ea972d45aad536b747f3d16cd5212
[INFO] running `Command { std: "docker" "start" "-a" "e3e44dfa08e823f761fd63dc5600271e981ea972d45aad536b747f3d16cd5212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3e44dfa08e823f761fd63dc5600271e981ea972d45aad536b747f3d16cd5212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3e44dfa08e823f761fd63dc5600271e981ea972d45aad536b747f3d16cd5212", kill_on_drop: false }`
[INFO] [stdout] e3e44dfa08e823f761fd63dc5600271e981ea972d45aad536b747f3d16cd5212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de25db4db979a126b22643d2cc72d10f42cb92e294e74f780c1ea186676345a5
[INFO] running `Command { std: "docker" "start" "-a" "de25db4db979a126b22643d2cc72d10f42cb92e294e74f780c1ea186676345a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking ttf-parser v0.20.0
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking fontdue v0.8.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking owned_ttf_parser v0.15.2
[INFO] [stderr]     Checking rusttype v0.9.3
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking imageproc v0.22.0
[INFO] [stderr]     Checking captcha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]   --> src/lib.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |   pub struct layout_raster {
[INFO] [stdout]    |              ------------- fields in this struct
[INFO] [stdout] 33 |     pub width: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 34 |     pub height: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `layout_raster` 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] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]   --> src/lib.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |   pub struct layout_raster {
[INFO] [stdout]    |              ------------- fields in this struct
[INFO] [stdout] 33 |     pub width: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 34 |     pub height: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `layout_raster` 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.82s
[INFO] running `Command { std: "docker" "inspect" "de25db4db979a126b22643d2cc72d10f42cb92e294e74f780c1ea186676345a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de25db4db979a126b22643d2cc72d10f42cb92e294e74f780c1ea186676345a5", kill_on_drop: false }`
[INFO] [stdout] de25db4db979a126b22643d2cc72d10f42cb92e294e74f780c1ea186676345a5