[INFO] updating cached repository https://github.com/w-k-s/GifDecoder
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3fc89b9ac84de97929caac79ee67e9e19c55bd92
[INFO] checking w-k-s/GifDecoder against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw-k-s%2FGifDecoder" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/w-k-s/GifDecoder on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/w-k-s/GifDecoder
[INFO] finished tweaking git repo https://github.com/w-k-s/GifDecoder
[INFO] tweaked toml for git repo https://github.com/w-k-s/GifDecoder written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/w-k-s/GifDecoder already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 78e21840aaa173d1c473e4d96140128ebf676633edfc0c7aaf6dd6820219c341
[INFO] running `"docker" "start" "-a" "78e21840aaa173d1c473e4d96140128ebf676633edfc0c7aaf6dd6820219c341"`
[INFO] [stderr]     Checking gif v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         try!(f.read(&mut buffer).map_err(|e| GifError::Io(e)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:63:23
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let version = try!(Gif::parse_version(&buffer));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         try!(f.read(&mut buffer).map_err(|e| GifError::Io(e)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:68:19
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let lsd = try!(Gif::parse_logical_screen_descriptor(&buffer));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 try!(f.read(&mut buffer).map_err(|e| GifError::Io(e)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         try!(f.read_to_end(&mut bytes).map_err(|e| GifError::Io(e)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         try!(f.read(&mut buffer).map_err(|e| GifError::Io(e)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:63:23
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let version = try!(Gif::parse_version(&buffer));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         try!(f.read(&mut buffer).map_err(|e| GifError::Io(e)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:68:19
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let lsd = try!(Gif::parse_logical_screen_descriptor(&buffer));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 try!(f.read(&mut buffer).map_err(|e| GifError::Io(e)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         try!(f.read_to_end(&mut bytes).map_err(|e| GifError::Io(e)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "78e21840aaa173d1c473e4d96140128ebf676633edfc0c7aaf6dd6820219c341"`
[INFO] running `"docker" "rm" "-f" "78e21840aaa173d1c473e4d96140128ebf676633edfc0c7aaf6dd6820219c341"`
[INFO] [stdout] 78e21840aaa173d1c473e4d96140128ebf676633edfc0c7aaf6dd6820219c341