[INFO] crate lightfield_loader 0.3.0 is already in cache
[INFO] extracting crate lightfield_loader 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/lightfield_loader/0.3.0
[INFO] extracting crate lightfield_loader 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lightfield_loader/0.3.0
[INFO] validating manifest of lightfield_loader-0.3.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lightfield_loader-0.3.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lightfield_loader-0.3.0
[INFO] finished frobbing lightfield_loader-0.3.0
[INFO] frobbed toml for lightfield_loader-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/lightfield_loader/0.3.0/Cargo.toml
[INFO] started frobbing lightfield_loader-0.3.0
[INFO] finished frobbing lightfield_loader-0.3.0
[INFO] frobbed toml for lightfield_loader-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lightfield_loader/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing lightfield_loader-0.3.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lightfield_loader/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1378e3d08331fddafb6bb3367f7256208c2cb6145119c75d7e98abe9b296a2da
[INFO] running `"docker" "start" "-a" "1378e3d08331fddafb6bb3367f7256208c2cb6145119c75d7e98abe9b296a2da"`
[INFO] [stderr]    Compiling zip v0.1.19
[INFO] [stderr]    Compiling cgmath v0.9.1
[INFO] [stderr]    Compiling image v0.10.4
[INFO] [stderr]    Compiling lightfield_loader v0.3.0 (/opt/crater/workdir)
[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]     Finished dev [unoptimized + debuginfo] target(s) in 18.13s
[INFO] running `"docker" "inspect" "1378e3d08331fddafb6bb3367f7256208c2cb6145119c75d7e98abe9b296a2da"`
[INFO] running `"docker" "rm" "-f" "1378e3d08331fddafb6bb3367f7256208c2cb6145119c75d7e98abe9b296a2da"`
[INFO] [stdout] 1378e3d08331fddafb6bb3367f7256208c2cb6145119c75d7e98abe9b296a2da
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lightfield_loader/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 79a36cac319a964b7d70e95b13db2ff3191749374d82701343efab08b5eaf567
[INFO] running `"docker" "start" "-a" "79a36cac319a964b7d70e95b13db2ff3191749374d82701343efab08b5eaf567"`
[INFO] [stderr]    Compiling lightfield_loader v0.3.0 (/opt/crater/workdir)
[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]     Finished dev [unoptimized + debuginfo] target(s) in 3.77s
[INFO] running `"docker" "inspect" "79a36cac319a964b7d70e95b13db2ff3191749374d82701343efab08b5eaf567"`
[INFO] running `"docker" "rm" "-f" "79a36cac319a964b7d70e95b13db2ff3191749374d82701343efab08b5eaf567"`
[INFO] [stdout] 79a36cac319a964b7d70e95b13db2ff3191749374d82701343efab08b5eaf567
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lightfield_loader/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 0223258546bcb300702e1349974e4a1dfb265eaf3b78b15079caf9fb11f49330
[INFO] running `"docker" "start" "-a" "0223258546bcb300702e1349974e4a1dfb265eaf3b78b15079caf9fb11f49330"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lightfield_loader-3eed2ab6978ed087
[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] [stderr]      Running /opt/crater/target/debug/deps/lib-37ec12e70b72fc5f
[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" "0223258546bcb300702e1349974e4a1dfb265eaf3b78b15079caf9fb11f49330"`
[INFO] running `"docker" "rm" "-f" "0223258546bcb300702e1349974e4a1dfb265eaf3b78b15079caf9fb11f49330"`
[INFO] [stdout] 0223258546bcb300702e1349974e4a1dfb265eaf3b78b15079caf9fb11f49330