[INFO] cloning repository https://github.com/marcel-baur/png-me [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcel-baur/png-me" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcel-baur%2Fpng-me", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcel-baur%2Fpng-me'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 173a9f783c2995b7b4f752635ed20778171773e7 [INFO] checking marcel-baur/png-me against master#32c26302620b2dbbe0a2291f1969bc0b1622ae59 for pr-95755 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcel-baur%2Fpng-me" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/marcel-baur/png-me on toolchain 32c26302620b2dbbe0a2291f1969bc0b1622ae59 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32c26302620b2dbbe0a2291f1969bc0b1622ae59" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/marcel-baur/png-me [INFO] finished tweaking git repo https://github.com/marcel-baur/png-me [INFO] tweaked toml for git repo https://github.com/marcel-baur/png-me written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/marcel-baur/png-me already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32c26302620b2dbbe0a2291f1969bc0b1622ae59" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded debug-helper v0.3.12 [INFO] [stderr] Downloaded crc-any v2.4.1 [INFO] [stderr] Downloaded magic-crypt v3.1.9 [INFO] [stderr] Downloaded tiger v0.1.0 [INFO] [stderr] Downloaded des v0.7.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+32c26302620b2dbbe0a2291f1969bc0b1622ae59" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2314b6d06a4111932e0d450e6ac71f392d155d77dc2649d9e8574a5f8496fdc2 [INFO] running `Command { std: "docker" "start" "-a" "2314b6d06a4111932e0d450e6ac71f392d155d77dc2649d9e8574a5f8496fdc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2314b6d06a4111932e0d450e6ac71f392d155d77dc2649d9e8574a5f8496fdc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2314b6d06a4111932e0d450e6ac71f392d155d77dc2649d9e8574a5f8496fdc2", kill_on_drop: false }` [INFO] [stdout] 2314b6d06a4111932e0d450e6ac71f392d155d77dc2649d9e8574a5f8496fdc2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+32c26302620b2dbbe0a2291f1969bc0b1622ae59" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cc542d028e6b4935bea9a8f2e1552fb58a69667d572e102850b34b7a9d022701 [INFO] running `Command { std: "docker" "start" "-a" "cc542d028e6b4935bea9a8f2e1552fb58a69667d572e102850b34b7a9d022701", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Checking block-padding v0.2.1 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.118 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling build_const v0.2.2 [INFO] [stderr] Checking cpufeatures v0.2.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking debug-helper v0.3.12 [INFO] [stderr] Compiling anyhow v1.0.53 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking crc-any v2.4.1 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking cipher v0.3.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking des v0.7.0 [INFO] [stderr] Checking block-modes v0.8.1 [INFO] [stderr] Checking aes v0.7.5 [INFO] [stderr] Checking sha2 v0.9.9 [INFO] [stderr] Checking md-5 v0.9.1 [INFO] [stderr] Checking tiger v0.1.0 [INFO] [stderr] Checking magic-crypt v3.1.9 [INFO] [stderr] Compiling clap_derive v3.0.14 [INFO] [stderr] Checking clap v3.0.14 [INFO] [stderr] Checking pngme v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::chunk_type::ChunkType` [INFO] [stdout] --> src/chunk.rs:118:9 [INFO] [stdout] | [INFO] [stdout] 118 | use crate::chunk_type::ChunkType; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/chunk.rs:119:9 [INFO] [stdout] | [INFO] [stdout] 119 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/chunk.rs:212:13 [INFO] [stdout] | [INFO] [stdout] 212 | let err = chunk.is_err(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `png` [INFO] [stdout] --> src/png.rs:278:13 [INFO] [stdout] | [INFO] [stdout] 278 | let png: Png = TryFrom::try_from(bytes.as_ref()).unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_png` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_err` [INFO] [stdout] --> src/chunk_type.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | fn is_err(&self) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_critical` [INFO] [stdout] --> src/chunk_type.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn is_critical(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_public` [INFO] [stdout] --> src/chunk_type.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn is_public(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_reserved_bit_valid` [INFO] [stdout] --> src/chunk_type.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn is_reserved_bit_valid(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_safe_to_copy` [INFO] [stdout] --> src/chunk_type.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn is_safe_to_copy(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `check_valid_ascii` [INFO] [stdout] --> src/chunk_type.rs:110:4 [INFO] [stdout] | [INFO] [stdout] 110 | fn check_valid_ascii(ubyte: u8) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_uppercase` [INFO] [stdout] --> src/chunk_type.rs:117:4 [INFO] [stdout] | [INFO] [stdout] 117 | fn is_uppercase(ubyte: u8) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_chunks` [INFO] [stdout] --> src/png.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn from_chunks(chunks: Vec) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `InvalidCrc` [INFO] [stdout] --> src/png.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | InvalidCrc [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `PNGError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/png.rs:62:10 [INFO] [stdout] | [INFO] [stdout] 62 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `testing_chunks` [INFO] [stdout] --> src/png.rs:125:8 [INFO] [stdout] | [INFO] [stdout] 125 | fn testing_chunks() -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `testing_png` [INFO] [stdout] --> src/png.rs:136:8 [INFO] [stdout] | [INFO] [stdout] 136 | fn testing_png() -> Png { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `chunk_from_strings` [INFO] [stdout] --> src/png.rs:141:8 [INFO] [stdout] | [INFO] [stdout] 141 | fn chunk_from_strings(chunk_type: &str, data: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `PNG_FILE` [INFO] [stdout] --> src/png.rs:284:5 [INFO] [stdout] | [INFO] [stdout] 284 | / const PNG_FILE: [u8; 4803] = [ [INFO] [stdout] 285 | | 137, 80, 78, 71, 13, 10, 26, 10, 0, 0, 0, 13, 73, 72, 68, 82, 0, 0, 0, 50, 0, 0, 0, 50, 8, [INFO] [stdout] 286 | | 6, 0, 0, 0, 30, 63, 136, 177, 0, 0, 0, 1, 115, 82, 71, 66, 0, 174, 206, 28, 233, 0, 0, 0, [INFO] [stdout] 287 | | 4, 103, 65, 77, 65, 0, 0, 177, 143, 11, 252, 97, 5, 0, 0, 0, 9, 112, 72, 89, 115, 0, 0, 14, [INFO] [stdout] ... | [INFO] [stdout] 527 | | 160, 0, 0, 0, 0, 73, 69, 78, 68, 174, 66, 96, 130, [INFO] [stdout] 528 | | ]; [INFO] [stdout] | |______^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_err` [INFO] [stdout] --> src/chunk_type.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | fn is_err(&self) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `check_valid_ascii` [INFO] [stdout] --> src/chunk_type.rs:110:4 [INFO] [stdout] | [INFO] [stdout] 110 | fn check_valid_ascii(ubyte: u8) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `InvalidCrc` [INFO] [stdout] --> src/png.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | InvalidCrc [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `PNGError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/png.rs:62:10 [INFO] [stdout] | [INFO] [stdout] 62 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.93s [INFO] running `Command { std: "docker" "inspect" "cc542d028e6b4935bea9a8f2e1552fb58a69667d572e102850b34b7a9d022701", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc542d028e6b4935bea9a8f2e1552fb58a69667d572e102850b34b7a9d022701", kill_on_drop: false }` [INFO] [stdout] cc542d028e6b4935bea9a8f2e1552fb58a69667d572e102850b34b7a9d022701