[INFO] cloning repository https://github.com/przemyslaw-rybarczyk/png
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/przemyslaw-rybarczyk/png" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprzemyslaw-rybarczyk%2Fpng", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprzemyslaw-rybarczyk%2Fpng'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c12d95cf63cf8396ec83b86cdef44751d1e42b28
[INFO] checking przemyslaw-rybarczyk/png against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprzemyslaw-rybarczyk%2Fpng" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/przemyslaw-rybarczyk/png on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/przemyslaw-rybarczyk/png
[INFO] finished tweaking git repo https://github.com/przemyslaw-rybarczyk/png
[INFO] tweaked toml for git repo https://github.com/przemyslaw-rybarczyk/png written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/przemyslaw-rybarczyk/png already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbf84ed443e9e3c83be7526b1f6f58f8e5a1bb29124c71ce8ddf1abd95481bc7
[INFO] running `Command { std: "docker" "start" "-a" "fbf84ed443e9e3c83be7526b1f6f58f8e5a1bb29124c71ce8ddf1abd95481bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbf84ed443e9e3c83be7526b1f6f58f8e5a1bb29124c71ce8ddf1abd95481bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf84ed443e9e3c83be7526b1f6f58f8e5a1bb29124c71ce8ddf1abd95481bc7", kill_on_drop: false }`
[INFO] [stdout] fbf84ed443e9e3c83be7526b1f6f58f8e5a1bb29124c71ce8ddf1abd95481bc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a1cf1297bdab6e304957b7829b406e32bae6f5c743fcda732d7e65354cdb643
[INFO] running `Command { std: "docker" "start" "-a" "1a1cf1297bdab6e304957b7829b406e32bae6f5c743fcda732d7e65354cdb643", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]     Checking png v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:4:54
[INFO] [stdout]     |
[INFO] [stdout] 4   |         eprintln!(concat!("! Warning: ", $f), $($x)*);
[INFO] [stdout]     |                                                      ^
[INFO] [stdout] ...
[INFO] [stdout] 131 |                         warn!("PLTE chunk with grayscale color"),
[INFO] [stdout]     |                         ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `warn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:4:54
[INFO] [stdout]     |
[INFO] [stdout] 4   |         eprintln!(concat!("! Warning: ", $f), $($x)*);
[INFO] [stdout]     |                                                      ^
[INFO] [stdout] ...
[INFO] [stdout] 131 |                         warn!("PLTE chunk with grayscale color"),
[INFO] [stdout]     |                         ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `warn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/filter.rs:129:25
[INFO] [stdout]     |
[INFO] [stdout] 129 |                         _ => std::todo!(),
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/filter.rs:129:25
[INFO] [stdout]     |
[INFO] [stdout] 129 |                         _ => std::todo!(),
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `length_code_interpretation` should have an upper case name
[INFO] [stdout]    --> src/zlib.rs:131:7
[INFO] [stdout]     |
[INFO] [stdout] 131 | const length_code_interpretation: [(usize, u8); 29] = [
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `LENGTH_CODE_INTERPRETATION`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `distance_code_interpretation` should have an upper case name
[INFO] [stdout]    --> src/zlib.rs:141:7
[INFO] [stdout]     |
[INFO] [stdout] 141 | const distance_code_interpretation: [(usize, u8); 30] = [
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `DISTANCE_CODE_INTERPRETATION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `length_code_interpretation` should have an upper case name
[INFO] [stdout]    --> src/zlib.rs:131:7
[INFO] [stdout]     |
[INFO] [stdout] 131 | const length_code_interpretation: [(usize, u8); 29] = [
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `LENGTH_CODE_INTERPRETATION`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `distance_code_interpretation` should have an upper case name
[INFO] [stdout]    --> src/zlib.rs:141:7
[INFO] [stdout]     |
[INFO] [stdout] 141 | const distance_code_interpretation: [(usize, u8); 30] = [
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `DISTANCE_CODE_INTERPRETATION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.38s
[INFO] running `Command { std: "docker" "inspect" "1a1cf1297bdab6e304957b7829b406e32bae6f5c743fcda732d7e65354cdb643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1cf1297bdab6e304957b7829b406e32bae6f5c743fcda732d7e65354cdb643", kill_on_drop: false }`
[INFO] [stdout] 1a1cf1297bdab6e304957b7829b406e32bae6f5c743fcda732d7e65354cdb643