[INFO] updating cached repository modulated/renderer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/modulated/renderer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/modulated/renderer" "work/ex/beta-1.38-1/sources/1.37.0/gh/modulated/renderer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/modulated/renderer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/modulated/renderer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/modulated/renderer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/modulated/renderer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f68c9375c0723f60ca3d0e4518ea7fbe8ba2d4d6
[INFO] sha for GitHub repo modulated/renderer: f68c9375c0723f60ca3d0e4518ea7fbe8ba2d4d6
[INFO] validating manifest of modulated/renderer 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 modulated/renderer 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 modulated/renderer
[INFO] finished frobbing modulated/renderer
[INFO] frobbed toml for modulated/renderer written to work/ex/beta-1.38-1/sources/1.37.0/gh/modulated/renderer/Cargo.toml
[INFO] started frobbing modulated/renderer
[INFO] finished frobbing modulated/renderer
[INFO] frobbed toml for modulated/renderer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/modulated/renderer/Cargo.toml
[INFO] crate modulated/renderer already has a lockfile, it will not be regenerated
[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 modulated/renderer against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/modulated/renderer:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4a45e5a47ea50bf2da353d2debc0c68ed99142c55fe880b4f4819012647dcd85
[INFO] running `"docker" "start" "-a" "4a45e5a47ea50bf2da353d2debc0c68ed99142c55fe880b4f4819012647dcd85"`
[INFO] [stderr]    Compiling renderer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut c = Camera::new(
[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 0.89s
[INFO] running `"docker" "inspect" "4a45e5a47ea50bf2da353d2debc0c68ed99142c55fe880b4f4819012647dcd85"`
[INFO] running `"docker" "rm" "-f" "4a45e5a47ea50bf2da353d2debc0c68ed99142c55fe880b4f4819012647dcd85"`
[INFO] [stdout] 4a45e5a47ea50bf2da353d2debc0c68ed99142c55fe880b4f4819012647dcd85
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/modulated/renderer:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] beaeb2d0cbe8510c1d722b82c9af61ab5e9804c26184dcf06f0ef5a7a56f3fe3
[INFO] running `"docker" "start" "-a" "beaeb2d0cbe8510c1d722b82c9af61ab5e9804c26184dcf06f0ef5a7a56f3fe3"`
[INFO] [stderr]    Compiling renderer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut c = Camera::new(
[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 0.54s
[INFO] running `"docker" "inspect" "beaeb2d0cbe8510c1d722b82c9af61ab5e9804c26184dcf06f0ef5a7a56f3fe3"`
[INFO] running `"docker" "rm" "-f" "beaeb2d0cbe8510c1d722b82c9af61ab5e9804c26184dcf06f0ef5a7a56f3fe3"`
[INFO] [stdout] beaeb2d0cbe8510c1d722b82c9af61ab5e9804c26184dcf06f0ef5a7a56f3fe3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/modulated/renderer:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9fae7a08991929500a31cd9030fe3051b5fddfe5422f1657b5376b060d60dade
[INFO] running `"docker" "start" "-a" "9fae7a08991929500a31cd9030fe3051b5fddfe5422f1657b5376b060d60dade"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/renderer-7d322963e4159bfc
[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/renderer-2bd3aecaa32acd2b
[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]    Doc-tests renderer
[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" "9fae7a08991929500a31cd9030fe3051b5fddfe5422f1657b5376b060d60dade"`
[INFO] running `"docker" "rm" "-f" "9fae7a08991929500a31cd9030fe3051b5fddfe5422f1657b5376b060d60dade"`
[INFO] [stdout] 9fae7a08991929500a31cd9030fe3051b5fddfe5422f1657b5376b060d60dade