[INFO] cloning repository https://github.com/genya0407/png_print [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/genya0407/png_print" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenya0407%2Fpng_print", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenya0407%2Fpng_print'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a562b235595f3f61f2ce56057035952802e3e097 [INFO] checking genya0407/png_print against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenya0407%2Fpng_print" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/genya0407/png_print on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/genya0407/png_print [INFO] finished tweaking git repo https://github.com/genya0407/png_print [INFO] tweaked toml for git repo https://github.com/genya0407/png_print written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/genya0407/png_print already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded inflate v0.3.3 [INFO] [stderr] Downloaded adler32 v1.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c82750cdd980e2a9c3a73205260b7f2e944b165209962e0ad4684c850f6a32ca [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c82750cdd980e2a9c3a73205260b7f2e944b165209962e0ad4684c850f6a32ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c82750cdd980e2a9c3a73205260b7f2e944b165209962e0ad4684c850f6a32ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c82750cdd980e2a9c3a73205260b7f2e944b165209962e0ad4684c850f6a32ca", kill_on_drop: false }` [INFO] [stdout] c82750cdd980e2a9c3a73205260b7f2e944b165209962e0ad4684c850f6a32ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cea7413357a1eafc4f732f27c04dbcbd44453b7b9974f8bf6b6d6697e21ada91 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cea7413357a1eafc4f732f27c04dbcbd44453b7b9974f8bf6b6d6697e21ada91", kill_on_drop: false }` [INFO] [stderr] Checking byteorder v1.1.0 [INFO] [stderr] Checking png_encoder v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/model.rs:25:32 [INFO] [stdout] | [INFO] [stdout] 25 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:27:63 [INFO] [stdout] | [INFO] [stdout] 27 | fn parse_to_png(chunks: Vec) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:63:69 [INFO] [stdout] | [INFO] [stdout] 63 | fn parse_to_chunks(bytes: Vec) -> Result, Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:94:52 [INFO] [stdout] | [INFO] [stdout] 94 | fn readfile(filename: &str) -> Result, Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/model.rs:25:32 [INFO] [stdout] | [INFO] [stdout] 25 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:27:63 [INFO] [stdout] | [INFO] [stdout] 27 | fn parse_to_png(chunks: Vec) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:63:69 [INFO] [stdout] | [INFO] [stdout] 63 | fn parse_to_chunks(bytes: Vec) -> Result, Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:94:52 [INFO] [stdout] | [INFO] [stdout] 94 | fn readfile(filename: &str) -> Result, Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `scanline` [INFO] [stdout] --> src/model.rs:98:25 [INFO] [stdout] | [INFO] [stdout] 98 | let scanline: Vec = match filter_method { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scanline` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/model.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 46 | let mut scanline = reversed_pixels[scanline_start..next_scanline_start].to_vec(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `width` [INFO] [stdout] --> src/model.rs:66:12 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn width(&self) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `compression_method` [INFO] [stdout] --> src/model.rs:222:5 [INFO] [stdout] | [INFO] [stdout] 222 | compression_method: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `additional_flags` [INFO] [stdout] --> src/model.rs:223:5 [INFO] [stdout] | [INFO] [stdout] 223 | additional_flags: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `check_value` [INFO] [stdout] --> src/model.rs:225:5 [INFO] [stdout] | [INFO] [stdout] 225 | check_value: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `scanline` [INFO] [stdout] --> src/model.rs:98:25 [INFO] [stdout] | [INFO] [stdout] 98 | let scanline: Vec = match filter_method { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scanline` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/model.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 46 | let mut scanline = reversed_pixels[scanline_start..next_scanline_start].to_vec(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `width` [INFO] [stdout] --> src/model.rs:66:12 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn width(&self) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `compression_method` [INFO] [stdout] --> src/model.rs:222:5 [INFO] [stdout] | [INFO] [stdout] 222 | compression_method: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `additional_flags` [INFO] [stdout] --> src/model.rs:223:5 [INFO] [stdout] | [INFO] [stdout] 223 | additional_flags: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `check_value` [INFO] [stdout] --> src/model.rs:225:5 [INFO] [stdout] | [INFO] [stdout] 225 | check_value: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.74s [INFO] running `Command { std: "docker" "inspect" "cea7413357a1eafc4f732f27c04dbcbd44453b7b9974f8bf6b6d6697e21ada91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cea7413357a1eafc4f732f27c04dbcbd44453b7b9974f8bf6b6d6697e21ada91", kill_on_drop: false }` [INFO] [stdout] cea7413357a1eafc4f732f27c04dbcbd44453b7b9974f8bf6b6d6697e21ada91