[INFO] fetching crate blend2d 0.3.0...
[INFO] checking blend2d-0.3.0 against master#ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd for pr-103914
[INFO] extracting crate blend2d 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate blend2d 0.3.0 on toolchain ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blend2d 0.3.0
[INFO] finished tweaking crates.io crate blend2d 0.3.0
[INFO] tweaked toml for crates.io crate blend2d 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate blend2d 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded which v2.0.1
[INFO] [stderr]   Downloaded failure v0.1.5
[INFO] [stderr]   Downloaded libc v0.2.51
[INFO] [stderr]   Downloaded cexpr v0.3.5
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.27
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded env_logger v0.6.1
[INFO] [stderr]   Downloaded wincolor v1.0.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.6
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] [stderr]   Downloaded quote v0.6.11
[INFO] [stderr]   Downloaded cfg-if v0.1.7
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded humantime v1.2.0
[INFO] [stderr]   Downloaded byteorder v1.3.1
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded aho-corasick v0.7.3
[INFO] [stderr]   Downloaded memchr v2.2.0
[INFO] [stderr]   Downloaded ucd-util v0.1.3
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded utf8-ranges v1.0.2
[INFO] [stderr]   Downloaded backtrace-sys v0.1.28
[INFO] [stderr]   Downloaded blend2d-sys v0.3.0
[INFO] [stderr]   Downloaded termcolor v1.0.4
[INFO] [stderr]   Downloaded libloading v0.5.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.52
[INFO] [stderr]   Downloaded bindgen v0.49.0
[INFO] [stderr]   Downloaded autocfg v0.1.2
[INFO] [stderr]   Downloaded rustc-demangle v0.1.13
[INFO] [stderr]   Downloaded backtrace v0.3.14
[INFO] [stderr]   Downloaded clang-sys v0.28.0
[INFO] [stderr]   Downloaded regex v1.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c7ff88709ff1eaacce45ab95103f527b4ad705f0b4c8672e9f32d40e8ccd7f1
[INFO] running `Command { std: "docker" "start" "-a" "6c7ff88709ff1eaacce45ab95103f527b4ad705f0b4c8672e9f32d40e8ccd7f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c7ff88709ff1eaacce45ab95103f527b4ad705f0b4c8672e9f32d40e8ccd7f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c7ff88709ff1eaacce45ab95103f527b4ad705f0b4c8672e9f32d40e8ccd7f1", kill_on_drop: false }`
[INFO] [stdout] 6c7ff88709ff1eaacce45ab95103f527b4ad705f0b4c8672e9f32d40e8ccd7f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcdc25fd9529a5d86367ad15e589273913ae240f02e51f16c57842f77d94c349
[INFO] running `Command { std: "docker" "start" "-a" "fcdc25fd9529a5d86367ad15e589273913ae240f02e51f16c57842f77d94c349", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.49.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling clang-sys v0.28.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling blend2d-sys v0.3.0
[INFO] [stderr]     Checking blend2d v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[cold]` is ignored on struct fields, match arms and macro defs
[INFO] [stdout]   --> src/error.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         #[cold]
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[cold]` is ignored on struct fields, match arms and macro defs
[INFO] [stdout]   --> src/error.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         #[cold]
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function definition
[INFO] [stdout]   --> src/error.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |             #[cold]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 37 |             Err(Self)
[INFO] [stdout]    |             --------- not a function definition
[INFO] [stdout]    |
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[cold]` is ignored on struct fields, match arms and macro defs
[INFO] [stdout]   --> src/error.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         #[cold]
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[cold]` is ignored on struct fields, match arms and macro defs
[INFO] [stdout]   --> src/error.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         #[cold]
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function definition
[INFO] [stdout]   --> src/error.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |             #[cold]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 37 |             Err(Self)
[INFO] [stdout]    |             --------- not a function definition
[INFO] [stdout]    |
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `format` and `compression` are never read
[INFO] [stdout]    --> src/image.rs:402:5
[INFO] [stdout]     |
[INFO] [stdout] 388 | pub struct ImageInfo {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 402 |     format: [u8; 16],
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 403 |     /// Image compression (as understood by codec).
[INFO] [stdout] 404 |     compression: [u8; 16],
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ImageInfo` 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 `format` and `compression` are never read
[INFO] [stdout]    --> src/image.rs:402:5
[INFO] [stdout]     |
[INFO] [stdout] 388 | pub struct ImageInfo {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 402 |     format: [u8; 16],
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 403 |     /// Image compression (as understood by codec).
[INFO] [stdout] 404 |     compression: [u8; 16],
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ImageInfo` 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 51s
[INFO] running `Command { std: "docker" "inspect" "fcdc25fd9529a5d86367ad15e589273913ae240f02e51f16c57842f77d94c349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcdc25fd9529a5d86367ad15e589273913ae240f02e51f16c57842f77d94c349", kill_on_drop: false }`
[INFO] [stdout] fcdc25fd9529a5d86367ad15e589273913ae240f02e51f16c57842f77d94c349