[INFO] crate lightfield_loader 0.3.0 is already in cache [INFO] testing lightfield_loader-0.3.0 against 1.44.0 for beta-1.45-1 [INFO] extracting crate lightfield_loader 0.3.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate lightfield_loader 0.3.0 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate lightfield_loader 0.3.0 [INFO] finished tweaking crates.io crate lightfield_loader 0.3.0 [INFO] tweaked toml for crates.io crate lightfield_loader 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+1.44.0" "build" "--frozen"` [INFO] [stdout] 37f1e3be1089074799becfed365846f7a9e817e516894503f1bd5ca6752464c7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "37f1e3be1089074799becfed365846f7a9e817e516894503f1bd5ca6752464c7"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling bzip2-sys v0.1.9+1.0.8 [INFO] [stderr] Compiling msdos_time v0.1.6 [INFO] [stderr] Compiling png v0.5.2 [INFO] [stderr] Compiling cgmath v0.9.1 [INFO] [stderr] Compiling bzip2 v0.3.3 [INFO] [stderr] Compiling zip v0.1.19 [INFO] [stderr] Compiling image v0.10.4 [INFO] [stderr] Compiling lightfield_loader v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:70:23 [INFO] [stderr] | [INFO] [stderr] 70 | let zipfile = try!(File::open(zip_filename)); [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/lightfield.rs:71:27 [INFO] [stderr] | [INFO] [stderr] 71 | let mut archive = try!(zip::ZipArchive::new(zipfile)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:75:33 [INFO] [stderr] | [INFO] [stderr] 75 | let mut file = &mut try!(archive.by_index(i)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:82:27 [INFO] [stderr] | [INFO] [stderr] 82 | let iy: i32 = try!(parts[1].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:83:27 [INFO] [stderr] | [INFO] [stderr] 83 | let ix: i32 = try!(parts[2].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:84:26 [INFO] [stderr] | [INFO] [stderr] 84 | let y: f32 = try!(parts[3].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:85:26 [INFO] [stderr] | [INFO] [stderr] 85 | let x: f32 = try!(parts[4].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:87:13 [INFO] [stderr] | [INFO] [stderr] 87 | try!(file.read_to_end(&mut contents)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:89:25 [INFO] [stderr] | [INFO] [stderr] 89 | let image = try!(image::load_from_memory(&contents)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lightfield.rs:75:17 [INFO] [stderr] | [INFO] [stderr] 75 | let mut file = &mut try!(archive.by_index(i)); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.39s [INFO] running `"docker" "inspect" "37f1e3be1089074799becfed365846f7a9e817e516894503f1bd5ca6752464c7"` [INFO] running `"docker" "rm" "-f" "37f1e3be1089074799becfed365846f7a9e817e516894503f1bd5ca6752464c7"` [INFO] [stdout] 37f1e3be1089074799becfed365846f7a9e817e516894503f1bd5ca6752464c7 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c5357499e484d1b59fbf7142f256ab89ac34bcc1f10788075976a5a92602c7a2 [INFO] running `"docker" "start" "-a" "c5357499e484d1b59fbf7142f256ab89ac34bcc1f10788075976a5a92602c7a2"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling lightfield_loader v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:70:23 [INFO] [stderr] | [INFO] [stderr] 70 | let zipfile = try!(File::open(zip_filename)); [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/lightfield.rs:71:27 [INFO] [stderr] | [INFO] [stderr] 71 | let mut archive = try!(zip::ZipArchive::new(zipfile)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:75:33 [INFO] [stderr] | [INFO] [stderr] 75 | let mut file = &mut try!(archive.by_index(i)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:82:27 [INFO] [stderr] | [INFO] [stderr] 82 | let iy: i32 = try!(parts[1].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:83:27 [INFO] [stderr] | [INFO] [stderr] 83 | let ix: i32 = try!(parts[2].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:84:26 [INFO] [stderr] | [INFO] [stderr] 84 | let y: f32 = try!(parts[3].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:85:26 [INFO] [stderr] | [INFO] [stderr] 85 | let x: f32 = try!(parts[4].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:87:13 [INFO] [stderr] | [INFO] [stderr] 87 | try!(file.read_to_end(&mut contents)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:89:25 [INFO] [stderr] | [INFO] [stderr] 89 | let image = try!(image::load_from_memory(&contents)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lightfield.rs:75:17 [INFO] [stderr] | [INFO] [stderr] 75 | let mut file = &mut try!(archive.by_index(i)); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:70:23 [INFO] [stderr] | [INFO] [stderr] 70 | let zipfile = try!(File::open(zip_filename)); [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/lightfield.rs:71:27 [INFO] [stderr] | [INFO] [stderr] 71 | let mut archive = try!(zip::ZipArchive::new(zipfile)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:75:33 [INFO] [stderr] | [INFO] [stderr] 75 | let mut file = &mut try!(archive.by_index(i)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:82:27 [INFO] [stderr] | [INFO] [stderr] 82 | let iy: i32 = try!(parts[1].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:83:27 [INFO] [stderr] | [INFO] [stderr] 83 | let ix: i32 = try!(parts[2].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:84:26 [INFO] [stderr] | [INFO] [stderr] 84 | let y: f32 = try!(parts[3].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:85:26 [INFO] [stderr] | [INFO] [stderr] 85 | let x: f32 = try!(parts[4].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:87:13 [INFO] [stderr] | [INFO] [stderr] 87 | try!(file.read_to_end(&mut contents)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:89:25 [INFO] [stderr] | [INFO] [stderr] 89 | let image = try!(image::load_from_memory(&contents)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lightfield.rs:75:17 [INFO] [stderr] | [INFO] [stderr] 75 | let mut file = &mut try!(archive.by_index(i)); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.12s [INFO] running `"docker" "inspect" "c5357499e484d1b59fbf7142f256ab89ac34bcc1f10788075976a5a92602c7a2"` [INFO] running `"docker" "rm" "-f" "c5357499e484d1b59fbf7142f256ab89ac34bcc1f10788075976a5a92602c7a2"` [INFO] [stdout] c5357499e484d1b59fbf7142f256ab89ac34bcc1f10788075976a5a92602c7a2 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+1.44.0" "test" "--frozen"` [INFO] [stdout] b946ac3e3ab8cc4e110cadb9df7d42767d017d2c895bed9b823bb6cf7ddd2aef [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "b946ac3e3ab8cc4e110cadb9df7d42767d017d2c895bed9b823bb6cf7ddd2aef"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:70:23 [INFO] [stderr] | [INFO] [stderr] 70 | let zipfile = try!(File::open(zip_filename)); [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/lightfield.rs:71:27 [INFO] [stderr] | [INFO] [stderr] 71 | let mut archive = try!(zip::ZipArchive::new(zipfile)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:75:33 [INFO] [stderr] | [INFO] [stderr] 75 | let mut file = &mut try!(archive.by_index(i)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:82:27 [INFO] [stderr] | [INFO] [stderr] 82 | let iy: i32 = try!(parts[1].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:83:27 [INFO] [stderr] | [INFO] [stderr] 83 | let ix: i32 = try!(parts[2].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:84:26 [INFO] [stderr] | [INFO] [stderr] 84 | let y: f32 = try!(parts[3].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:85:26 [INFO] [stderr] | [INFO] [stderr] 85 | let x: f32 = try!(parts[4].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:87:13 [INFO] [stderr] | [INFO] [stderr] 87 | try!(file.read_to_end(&mut contents)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:89:25 [INFO] [stderr] | [INFO] [stderr] 89 | let image = try!(image::load_from_memory(&contents)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lightfield.rs:75:17 [INFO] [stderr] | [INFO] [stderr] 75 | let mut file = &mut try!(archive.by_index(i)); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:70:23 [INFO] [stderr] | [INFO] [stderr] 70 | let zipfile = try!(File::open(zip_filename)); [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/lightfield.rs:71:27 [INFO] [stderr] | [INFO] [stderr] 71 | let mut archive = try!(zip::ZipArchive::new(zipfile)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:75:33 [INFO] [stderr] | [INFO] [stderr] 75 | let mut file = &mut try!(archive.by_index(i)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:82:27 [INFO] [stderr] | [INFO] [stderr] 82 | let iy: i32 = try!(parts[1].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:83:27 [INFO] [stderr] | [INFO] [stderr] 83 | let ix: i32 = try!(parts[2].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:84:26 [INFO] [stderr] | [INFO] [stderr] 84 | let y: f32 = try!(parts[3].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:85:26 [INFO] [stderr] | [INFO] [stderr] 85 | let x: f32 = try!(parts[4].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:87:13 [INFO] [stderr] | [INFO] [stderr] 87 | try!(file.read_to_end(&mut contents)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lightfield.rs:89:25 [INFO] [stderr] | [INFO] [stderr] 89 | let image = try!(image::load_from_memory(&contents)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lightfield.rs:75:17 [INFO] [stderr] | [INFO] [stderr] 75 | let mut file = &mut try!(archive.by_index(i)); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.22s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/lightfield_loader-3422bd42c300113a [INFO] [stderr] Running /opt/rustwide/target/debug/deps/lib-92b5bb92f280cb35 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test filenotfound ... ok [INFO] [stdout] test ok_png ... ok [INFO] [stdout] test ok_jpg ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests lightfield_loader [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "b946ac3e3ab8cc4e110cadb9df7d42767d017d2c895bed9b823bb6cf7ddd2aef"` [INFO] running `"docker" "rm" "-f" "b946ac3e3ab8cc4e110cadb9df7d42767d017d2c895bed9b823bb6cf7ddd2aef"` [INFO] [stdout] b946ac3e3ab8cc4e110cadb9df7d42767d017d2c895bed9b823bb6cf7ddd2aef