[INFO] cloning repository https://github.com/cct124/image-png-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cct124/image-png-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcct124%2Fimage-png-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcct124%2Fimage-png-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35b7d275b0baf89a04ec2ab115460a45e9015abe
[INFO] building cct124/image-png-demo against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcct124%2Fimage-png-demo" "/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/cct124/image-png-demo on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cct124/image-png-demo
[INFO] finished tweaking git repo https://github.com/cct124/image-png-demo
[INFO] tweaked toml for git repo https://github.com/cct124/image-png-demo written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cct124/image-png-demo 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded imagequant v4.0.4
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1f8a7358d61f8706f3f04759d08c7be3a8bb508959f74fed5d94e1ad3d3b565
[INFO] running `Command { std: "docker" "start" "-a" "d1f8a7358d61f8706f3f04759d08c7be3a8bb508959f74fed5d94e1ad3d3b565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1f8a7358d61f8706f3f04759d08c7be3a8bb508959f74fed5d94e1ad3d3b565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1f8a7358d61f8706f3f04759d08c7be3a8bb508959f74fed5d94e1ad3d3b565", kill_on_drop: false }`
[INFO] [stdout] d1f8a7358d61f8706f3f04759d08c7be3a8bb508959f74fed5d94e1ad3d3b565
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d3f84586a4c8494e566cb5c9028d60ded8ddba1bb9cd66e687e5d62e56d8c7d
[INFO] running `Command { std: "docker" "start" "-a" "5d3f84586a4c8494e566cb5c9028d60ded8ddba1bb9cd66e687e5d62e56d8c7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling bytemuck v1.12.2
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.4
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling rgb v0.8.34
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling png v0.17.7
[INFO] [stderr]    Compiling noisy_float v0.2.0
[INFO] [stderr]    Compiling imagequant v4.0.4
[INFO] [stderr]    Compiling image-png-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/example/decoder_rbg_apng.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let info = reader.info();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decoder_indexes` is never used
[INFO] [stdout]  --> src/example/decoder_indexes.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn decoder_indexes(path: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handel` is never used
[INFO] [stdout]  --> src/example/decoder_indexes_apng.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn handel(path: &str) {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handel` is never used
[INFO] [stdout]  --> src/example/decoder_rbg_apng.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn handel(path: &str) {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handel` is never used
[INFO] [stdout]  --> src/example/decoder_rgb.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn handel(path: &str) {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encoderIndexes` is never used
[INFO] [stdout]  --> src/example/encoder_indexes.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn encoderIndexes(path: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encoder_rgb` is never used
[INFO] [stdout]  --> src/example/encoder_rgb.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn encoder_rgb(path: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `png_handle` is never used
[INFO] [stdout]   --> src/example/imagequant_handle.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn png_handle(path: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apng_handle` is never used
[INFO] [stdout]    --> src/example/imagequant_handle.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn apng_handle(path: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `outputInfo` should have a snake case name
[INFO] [stdout]  --> src/example/decoder_rgb.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let outputInfo = reader.next_frame(&mut buf).unwrap();
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `output_info`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encoderIndexes` should have a snake case name
[INFO] [stdout]  --> src/example/encoder_indexes.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn encoderIndexes(path: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `encoder_indexes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `outputInfo` should have a snake case name
[INFO] [stdout]   --> src/example/encoder_indexes.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let outputInfo = reader.next_frame(&mut buf).unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `output_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `outputInfo` should have a snake case name
[INFO] [stdout]   --> src/example/encoder_rgb.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let outputInfo = reader.next_frame(&mut buf).unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `output_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.39s
[INFO] running `Command { std: "docker" "inspect" "5d3f84586a4c8494e566cb5c9028d60ded8ddba1bb9cd66e687e5d62e56d8c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3f84586a4c8494e566cb5c9028d60ded8ddba1bb9cd66e687e5d62e56d8c7d", kill_on_drop: false }`
[INFO] [stdout] 5d3f84586a4c8494e566cb5c9028d60ded8ddba1bb9cd66e687e5d62e56d8c7d
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c2c8c75bfe7d66082eb00518d3f579aeca179943d5a1ceb928c44f929875978
[INFO] running `Command { std: "docker" "start" "-a" "0c2c8c75bfe7d66082eb00518d3f579aeca179943d5a1ceb928c44f929875978", kill_on_drop: false }`
[INFO] [stderr]    Compiling image-png-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/example/decoder_rbg_apng.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let info = reader.info();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decoder_indexes` is never used
[INFO] [stdout]  --> src/example/decoder_indexes.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn decoder_indexes(path: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handel` is never used
[INFO] [stdout]  --> src/example/decoder_indexes_apng.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn handel(path: &str) {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handel` is never used
[INFO] [stdout]  --> src/example/decoder_rbg_apng.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn handel(path: &str) {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handel` is never used
[INFO] [stdout]  --> src/example/decoder_rgb.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn handel(path: &str) {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encoderIndexes` is never used
[INFO] [stdout]  --> src/example/encoder_indexes.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn encoderIndexes(path: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encoder_rgb` is never used
[INFO] [stdout]  --> src/example/encoder_rgb.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn encoder_rgb(path: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `png_handle` is never used
[INFO] [stdout]   --> src/example/imagequant_handle.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn png_handle(path: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apng_handle` is never used
[INFO] [stdout]    --> src/example/imagequant_handle.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn apng_handle(path: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `outputInfo` should have a snake case name
[INFO] [stdout]  --> src/example/decoder_rgb.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let outputInfo = reader.next_frame(&mut buf).unwrap();
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `output_info`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encoderIndexes` should have a snake case name
[INFO] [stdout]  --> src/example/encoder_indexes.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn encoderIndexes(path: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `encoder_indexes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `outputInfo` should have a snake case name
[INFO] [stdout]   --> src/example/encoder_indexes.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let outputInfo = reader.next_frame(&mut buf).unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `output_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `outputInfo` should have a snake case name
[INFO] [stdout]   --> src/example/encoder_rgb.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let outputInfo = reader.next_frame(&mut buf).unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `output_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "0c2c8c75bfe7d66082eb00518d3f579aeca179943d5a1ceb928c44f929875978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c2c8c75bfe7d66082eb00518d3f579aeca179943d5a1ceb928c44f929875978", kill_on_drop: false }`
[INFO] [stdout] 0c2c8c75bfe7d66082eb00518d3f579aeca179943d5a1ceb928c44f929875978