[INFO] updating cached repository https://github.com/martinhath/jpeg-rust
[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] e3a40cc4c31d5a46e36514cc2c6abc6f1a6caaa1
[INFO] checking martinhath/jpeg-rust against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinhath%2Fjpeg-rust" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martinhath/jpeg-rust on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/martinhath/jpeg-rust
[INFO] finished tweaking git repo https://github.com/martinhath/jpeg-rust
[INFO] tweaked toml for git repo https://github.com/martinhath/jpeg-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/martinhath/jpeg-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] d38d70dfaf752533f0c19b0e484fba1e2edbd49e3be91d5f76a8477b70108706
[INFO] running `"docker" "start" "-a" "d38d70dfaf752533f0c19b0e484fba1e2edbd49e3be91d5f76a8477b70108706"`
[INFO] [stderr]     Checking jpeg-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         try!(file.read_to_end(&mut bytes));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/jpeg/decoder.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         try!(file.read_to_end(&mut bytes));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/jpeg/decoder.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/jpeg/mod.rs:421:25
[INFO] [stderr]     |
[INFO] [stderr] 417 |                         return Ok(image);
[INFO] [stderr]     |                         ---------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 421 |                         i += bytes_read + bytes_skipped;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/jpeg/mod.rs:421:25
[INFO] [stderr]     |
[INFO] [stderr] 417 |                         return Ok(image);
[INFO] [stderr]     |                         ---------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 421 |                         i += bytes_read + bytes_skipped;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `chunks_lazy` found for struct `std::iter::FlatMap<std::slice::Iter<'_, f32>, std::iter::Take<std::iter::Repeat<&f32>>, [closure@src/jpeg/decoder.rs:356:23: 356:50 x_scale:_]>` in the current scope
[INFO] [stderr]    --> src/jpeg/decoder.rs:357:14
[INFO] [stderr]     |
[INFO] [stderr] 357 |             .chunks_lazy(8 * x_scale)
[INFO] [stderr]     |              ^^^^^^^^^^^ method not found in `std::iter::FlatMap<std::slice::Iter<'_, f32>, std::iter::Take<std::iter::Repeat<&f32>>, [closure@src/jpeg/decoder.rs:356:23: 356:50 x_scale:_]>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `jpeg-rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `chunks_lazy` found for struct `std::iter::FlatMap<std::slice::Iter<'_, f32>, std::iter::Take<std::iter::Repeat<&f32>>, [closure@src/jpeg/decoder.rs:356:23: 356:50 x_scale:_]>` in the current scope
[INFO] [stderr]    --> src/jpeg/decoder.rs:357:14
[INFO] [stderr]     |
[INFO] [stderr] 357 |             .chunks_lazy(8 * x_scale)
[INFO] [stderr]     |              ^^^^^^^^^^^ method not found in `std::iter::FlatMap<std::slice::Iter<'_, f32>, std::iter::Take<std::iter::Repeat<&f32>>, [closure@src/jpeg/decoder.rs:356:23: 356:50 x_scale:_]>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `jpeg-rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d38d70dfaf752533f0c19b0e484fba1e2edbd49e3be91d5f76a8477b70108706"`
[INFO] running `"docker" "rm" "-f" "d38d70dfaf752533f0c19b0e484fba1e2edbd49e3be91d5f76a8477b70108706"`
[INFO] [stdout] d38d70dfaf752533f0c19b0e484fba1e2edbd49e3be91d5f76a8477b70108706
