[INFO] updating cached repository hazebooth/upwards
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hazebooth/upwards
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hazebooth/upwards" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/hazebooth/upwards"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/hazebooth/upwards'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hazebooth/upwards" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/hazebooth/upwards"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/hazebooth/upwards'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ac4aae41153897a80f3107fec21ceb7e1a427b1a
[INFO] sha for GitHub repo hazebooth/upwards: ac4aae41153897a80f3107fec21ceb7e1a427b1a
[INFO] validating manifest of hazebooth/upwards on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hazebooth/upwards on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hazebooth/upwards
[INFO] finished frobbing hazebooth/upwards
[INFO] frobbed toml for hazebooth/upwards written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/hazebooth/upwards/Cargo.toml
[INFO] started frobbing hazebooth/upwards
[INFO] finished frobbing hazebooth/upwards
[INFO] frobbed toml for hazebooth/upwards written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/hazebooth/upwards/Cargo.toml
[INFO] crate hazebooth/upwards already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hazebooth/upwards against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/hazebooth/upwards:/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=forbid" "-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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2ace5922799150c93270d11c64e59a48c1551335e7502e695f85934d2556e1f4
[INFO] running `"docker" "start" "-a" "2ace5922799150c93270d11c64e59a48c1551335e7502e695f85934d2556e1f4"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ogg v0.4.1
[INFO] [stderr]    Compiling getset v0.0.6
[INFO] [stderr]     Checking msdos_time v0.1.6
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking rusttype v0.5.2
[INFO] [stderr]     Checking nalgebra v0.14.4
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking twox-hash v1.1.2
[INFO] [stderr]     Checking zip v0.3.3
[INFO] [stderr]     Checking lewton v0.5.2
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking rodio v0.7.0
[INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.14.4/src/core/cg.rs:292:44
[INFO] [stderr]     |
[INFO] [stderr] 292 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stderr]     |                 ---------------------------^^^^-------------------
[INFO] [stderr]     |                 |                          |
[INFO] [stderr]     |                 |                          immutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow later used here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.5
[INFO] [stderr]     Checking gfx_glyph v0.10.2
[INFO] [stderr]     Checking gfx_window_sdl v0.8.0
[INFO] [stderr]     Checking ggez v0.4.4
[INFO] [stderr]     Checking upwards v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `player`
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     player: Player,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `player`
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     player: Player,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `"docker" "inspect" "2ace5922799150c93270d11c64e59a48c1551335e7502e695f85934d2556e1f4"`
[INFO] running `"docker" "rm" "-f" "2ace5922799150c93270d11c64e59a48c1551335e7502e695f85934d2556e1f4"`
[INFO] [stdout] 2ace5922799150c93270d11c64e59a48c1551335e7502e695f85934d2556e1f4