[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-1.37-6/sources/1.36.0/gh/modulated/renderer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/modulated/renderer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/modulated/renderer" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/modulated/renderer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of modulated/renderer on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing modulated/renderer against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 207471616bb11c3dc17d31c1552906a0e96791d8d05a02279f655ac3bc6f0096
[INFO] running `"docker" "start" "-a" "207471616bb11c3dc17d31c1552906a0e96791d8d05a02279f655ac3bc6f0096"`
[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 0.95s
[INFO] running `"docker" "inspect" "207471616bb11c3dc17d31c1552906a0e96791d8d05a02279f655ac3bc6f0096"`
[INFO] running `"docker" "rm" "-f" "207471616bb11c3dc17d31c1552906a0e96791d8d05a02279f655ac3bc6f0096"`
[INFO] [stdout] 207471616bb11c3dc17d31c1552906a0e96791d8d05a02279f655ac3bc6f0096
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 83fc64a5c00934ae2edbdf8c4d70f14449fe82bc8e27b0d0d2fbc65211583f5b
[INFO] running `"docker" "start" "-a" "83fc64a5c00934ae2edbdf8c4d70f14449fe82bc8e27b0d0d2fbc65211583f5b"`
[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 0.69s
[INFO] running `"docker" "inspect" "83fc64a5c00934ae2edbdf8c4d70f14449fe82bc8e27b0d0d2fbc65211583f5b"`
[INFO] running `"docker" "rm" "-f" "83fc64a5c00934ae2edbdf8c4d70f14449fe82bc8e27b0d0d2fbc65211583f5b"`
[INFO] [stdout] 83fc64a5c00934ae2edbdf8c4d70f14449fe82bc8e27b0d0d2fbc65211583f5b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] b5d1726ab11d7511fce8cee8433f4a360aa24dee4d2066eb34ea768b879c714b
[INFO] running `"docker" "start" "-a" "b5d1726ab11d7511fce8cee8433f4a360aa24dee4d2066eb34ea768b879c714b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/renderer-0a460c4d4a8c7ec4
[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-7b13fbce38b8b6d2
[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" "b5d1726ab11d7511fce8cee8433f4a360aa24dee4d2066eb34ea768b879c714b"`
[INFO] running `"docker" "rm" "-f" "b5d1726ab11d7511fce8cee8433f4a360aa24dee4d2066eb34ea768b879c714b"`
[INFO] [stdout] b5d1726ab11d7511fce8cee8433f4a360aa24dee4d2066eb34ea768b879c714b