[INFO] cloning repository https://github.com/sam-barr/png-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sam-barr/png-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-barr%2Fpng-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-barr%2Fpng-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11e9ee2fb95a8dcaffa1a0ae32a05ea72e14a397
[INFO] checking sam-barr/png-rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-barr%2Fpng-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sam-barr/png-rs on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sam-barr/png-rs
[INFO] finished tweaking git repo https://github.com/sam-barr/png-rs
[INFO] tweaked toml for git repo https://github.com/sam-barr/png-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sam-barr/png-rs 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded luminance-derive v0.10.0
[INFO] [stderr]   Downloaded luminance-glfw v0.18.2
[INFO] [stderr]   Downloaded luminance-std140 v0.2.1
[INFO] [stderr]   Downloaded luminance-gl v0.19.1
[INFO] [stderr]   Downloaded glfw v0.44.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.2.4
[INFO] [stderr]   Downloaded glfw-sys v3.3.5
[INFO] [stderr]   Downloaded luminance v0.47.0
[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_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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d4bc2ee417588e8217fbf693cca87b64e895f04eac381fa838f8e1af47793b3
[INFO] running `Command { std: "docker" "start" "-a" "8d4bc2ee417588e8217fbf693cca87b64e895f04eac381fa838f8e1af47793b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d4bc2ee417588e8217fbf693cca87b64e895f04eac381fa838f8e1af47793b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4bc2ee417588e8217fbf693cca87b64e895f04eac381fa838f8e1af47793b3", kill_on_drop: false }`
[INFO] [stdout] 8d4bc2ee417588e8217fbf693cca87b64e895f04eac381fa838f8e1af47793b3
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99ddf1d05807c85fae012ba5e58569a081c0da84534b86b760552d5d1b4783c6
[INFO] running `Command { std: "docker" "start" "-a" "99ddf1d05807c85fae012ba5e58569a081c0da84534b86b760552d5d1b4783c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling argh_shared v0.1.7
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]     Checking jpeg-decoder v0.2.4
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling glfw-sys v3.3.5
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]     Checking num-rational v0.4.0
[INFO] [stderr]     Checking image v0.24.1
[INFO] [stderr]    Compiling luminance-derive v0.10.0
[INFO] [stderr]    Compiling argh_derive v0.1.7
[INFO] [stderr]     Checking glfw v0.44.0
[INFO] [stderr]     Checking luminance v0.47.0
[INFO] [stderr]     Checking argh v0.1.7
[INFO] [stderr]     Checking luminance-std140 v0.2.1
[INFO] [stderr]     Checking luminance-gl v0.19.1
[INFO] [stderr]     Checking luminance-glfw v0.18.2
[INFO] [stderr]     Checking motsu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0`, `1`, `2`, `3`, and `4` are never read
[INFO] [stdout]   --> src/main.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Vertex(VertexPosition, CropLeft, CropRight, CropTop, CropBottom);
[INFO] [stdout]    |            ------ ^^^^^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^^  ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Vertex` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Vertex((), (), (), (), ());
[INFO] [stdout]    |                   ~~  ~~  ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, `3`, and `4` are never read
[INFO] [stdout]   --> src/main.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Vertex(VertexPosition, CropLeft, CropRight, CropTop, CropBottom);
[INFO] [stdout]    |            ------ ^^^^^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^^  ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Vertex` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Vertex((), (), (), (), ());
[INFO] [stdout]    |                   ~~  ~~  ~~  ~~  ~~
[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 3.69s
[INFO] running `Command { std: "docker" "inspect" "99ddf1d05807c85fae012ba5e58569a081c0da84534b86b760552d5d1b4783c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99ddf1d05807c85fae012ba5e58569a081c0da84534b86b760552d5d1b4783c6", kill_on_drop: false }`
[INFO] [stdout] 99ddf1d05807c85fae012ba5e58569a081c0da84534b86b760552d5d1b4783c6
[INFO] checking sam-barr/png-rs against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-barr%2Fpng-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sam-barr/png-rs on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sam-barr/png-rs
[INFO] finished tweaking git repo https://github.com/sam-barr/png-rs
[INFO] tweaked toml for git repo https://github.com/sam-barr/png-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sam-barr/png-rs 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 969aafcd5892b74ce50e61c717f8af26bf00a01df756b2884d59cc7c23815071
[INFO] running `Command { std: "docker" "start" "-a" "969aafcd5892b74ce50e61c717f8af26bf00a01df756b2884d59cc7c23815071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "969aafcd5892b74ce50e61c717f8af26bf00a01df756b2884d59cc7c23815071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "969aafcd5892b74ce50e61c717f8af26bf00a01df756b2884d59cc7c23815071", kill_on_drop: false }`
[INFO] [stdout] 969aafcd5892b74ce50e61c717f8af26bf00a01df756b2884d59cc7c23815071
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b29a245861c8507c6b7af0a1123b260c61eb44850943f711357d4875e82c693
[INFO] running `Command { std: "docker" "start" "-a" "4b29a245861c8507c6b7af0a1123b260c61eb44850943f711357d4875e82c693", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]    Compiling argh_shared v0.1.7
[INFO] [stderr]     Checking jpeg-decoder v0.2.4
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.5.1/src/inflate/core.rs:1107:9
[INFO] [stdout]      |
[INFO] [stdout] 1107 | /         match state {
[INFO] [stdout] 1108 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1109 | |                 l.bit_buf = 0;
[INFO] [stdout] 1110 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1639 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1640 | |         };
[INFO] [stdout]      | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `miniz_oxide` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4b29a245861c8507c6b7af0a1123b260c61eb44850943f711357d4875e82c693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b29a245861c8507c6b7af0a1123b260c61eb44850943f711357d4875e82c693", kill_on_drop: false }`
[INFO] [stdout] 4b29a245861c8507c6b7af0a1123b260c61eb44850943f711357d4875e82c693