[INFO] cloning repository https://github.com/psychon/pngme [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psychon/pngme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsychon%2Fpngme", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsychon%2Fpngme'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 30fa1203ee8d5bd35694788e19dd8cf3baa564c2 [INFO] checking psychon/pngme/30fa1203ee8d5bd35694788e19dd8cf3baa564c2 against master#a299aa5df79dd8e5a1405b97ddd7b367b61eecc6 for pr-125923-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsychon%2Fpngme" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/psychon/pngme on toolchain a299aa5df79dd8e5a1405b97ddd7b367b61eecc6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a299aa5df79dd8e5a1405b97ddd7b367b61eecc6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/psychon/pngme [INFO] finished tweaking git repo https://github.com/psychon/pngme [INFO] tweaked toml for git repo https://github.com/psychon/pngme written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/psychon/pngme 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" "+a299aa5df79dd8e5a1405b97ddd7b367b61eecc6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn-mid v0.5.0 [INFO] [stderr] Downloaded quote v1.0.7 [INFO] [stderr] Downloaded structopt-derive v0.4.7 [INFO] [stderr] Downloaded proc-macro2 v1.0.18 [INFO] [stderr] Downloaded proc-macro-error v1.0.2 [INFO] [stderr] Downloaded proc-macro-error-attr v1.0.2 [INFO] [stderr] Downloaded hermit-abi v0.1.13 [INFO] [stderr] Downloaded structopt v0.3.14 [INFO] [stderr] Downloaded anyhow v1.0.31 [INFO] [stderr] Downloaded clap v2.33.1 [INFO] [stderr] Downloaded syn v1.0.31 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+a299aa5df79dd8e5a1405b97ddd7b367b61eecc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c1a2003c0aca33fee8a6a39d014556f28d0f52e785b3a33d7060a45cdd30a42c [INFO] running `Command { std: "docker" "start" "-a" "c1a2003c0aca33fee8a6a39d014556f28d0f52e785b3a33d7060a45cdd30a42c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1a2003c0aca33fee8a6a39d014556f28d0f52e785b3a33d7060a45cdd30a42c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1a2003c0aca33fee8a6a39d014556f28d0f52e785b3a33d7060a45cdd30a42c", kill_on_drop: false }` [INFO] [stdout] c1a2003c0aca33fee8a6a39d014556f28d0f52e785b3a33d7060a45cdd30a42c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+a299aa5df79dd8e5a1405b97ddd7b367b61eecc6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d513e40a9a796ceb2859742955a587ecc79b58ba8ebb92a5a9d7cffd39421fbb [INFO] running `Command { std: "docker" "start" "-a" "d513e40a9a796ceb2859742955a587ecc79b58ba8ebb92a5a9d7cffd39421fbb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling syn v1.0.31 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.2 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling proc-macro-error v1.0.2 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling anyhow v1.0.31 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling structopt-derive v0.4.7 [INFO] [stderr] Checking structopt v0.3.14 [INFO] [stderr] Checking pngme v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `TryInto` [INFO] [stdout] --> src/png.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use std::convert::{TryFrom, TryInto}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TryInto` [INFO] [stdout] --> src/png.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use std::convert::{TryFrom, TryInto}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/png.rs:63:19 [INFO] [stdout] | [INFO] [stdout] 63 | fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `file`, `chunk_name`, `message`, and `output_file` are never read [INFO] [stdout] --> src/args.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 9 | Encode { [INFO] [stdout] | ------ fields in this variant [INFO] [stdout] 10 | file: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] 11 | chunk_name: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 12 | message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 13 | output_file: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Command` 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 `file` and `chunk_name` are never read [INFO] [stdout] --> src/args.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 16 | Decode { [INFO] [stdout] | ------ fields in this variant [INFO] [stdout] 17 | file: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] 18 | chunk_name: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Command` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `file` and `chunk_name` are never read [INFO] [stdout] --> src/args.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 21 | Remove { [INFO] [stdout] | ------ fields in this variant [INFO] [stdout] 22 | file: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] 23 | chunk_name: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Command` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `file` is never read [INFO] [stdout] --> src/args.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 26 | Print { [INFO] [stdout] | ----- field in this variant [INFO] [stdout] 27 | file: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Command` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/png.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/png.rs:63:19 [INFO] [stdout] | [INFO] [stdout] 63 | fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `file`, `chunk_name`, `message`, and `output_file` are never read [INFO] [stdout] --> src/args.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 9 | Encode { [INFO] [stdout] | ------ fields in this variant [INFO] [stdout] 10 | file: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] 11 | chunk_name: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 12 | message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 13 | output_file: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Command` 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 `file` and `chunk_name` are never read [INFO] [stdout] --> src/args.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 16 | Decode { [INFO] [stdout] | ------ fields in this variant [INFO] [stdout] 17 | file: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] 18 | chunk_name: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Command` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `file` and `chunk_name` are never read [INFO] [stdout] --> src/args.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 21 | Remove { [INFO] [stdout] | ------ fields in this variant [INFO] [stdout] 22 | file: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] 23 | chunk_name: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Command` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `file` is never read [INFO] [stdout] --> src/args.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 26 | Print { [INFO] [stdout] | ----- field in this variant [INFO] [stdout] 27 | file: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Command` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.24s [INFO] running `Command { std: "docker" "inspect" "d513e40a9a796ceb2859742955a587ecc79b58ba8ebb92a5a9d7cffd39421fbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d513e40a9a796ceb2859742955a587ecc79b58ba8ebb92a5a9d7cffd39421fbb", kill_on_drop: false }` [INFO] [stdout] d513e40a9a796ceb2859742955a587ecc79b58ba8ebb92a5a9d7cffd39421fbb