[INFO] updating cached repository Ploppz/play-acrobot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Ploppz/play-acrobot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Ploppz/play-acrobot" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Ploppz/play-acrobot"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Ploppz/play-acrobot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Ploppz/play-acrobot" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Ploppz/play-acrobot"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Ploppz/play-acrobot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25bef8ff184c57e8b28a987adca837409cfbac6a
[INFO] sha for GitHub repo Ploppz/play-acrobot: 25bef8ff184c57e8b28a987adca837409cfbac6a
[INFO] validating manifest of Ploppz/play-acrobot 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 Ploppz/play-acrobot 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 Ploppz/play-acrobot
[INFO] finished frobbing Ploppz/play-acrobot
[INFO] frobbed toml for Ploppz/play-acrobot written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Ploppz/play-acrobot/Cargo.toml
[INFO] started frobbing Ploppz/play-acrobot
[INFO] finished frobbing Ploppz/play-acrobot
[INFO] frobbed toml for Ploppz/play-acrobot written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Ploppz/play-acrobot/Cargo.toml
[INFO] crate Ploppz/play-acrobot 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]     Updating git repository `https://github.com/Ploppz/rsrl`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Ploppz/play-acrobot/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/Ploppz/rsrl`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/Ploppz/rsrl`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Ploppz/play-acrobot against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Ploppz/play-acrobot:/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] 508da4fe46e1e8a4c08f589f369ed3b96b1cab8359c602fac9cc0fb4dae9bb19
[INFO] running `"docker" "start" "-a" "508da4fe46e1e8a4c08f589f369ed3b96b1cab8359c602fac9cc0fb4dae9bb19"`
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking blas-src v0.2.1
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]     Checking getrandom v0.1.9
[INFO] [stderr]     Checking cblas-sys v0.1.4
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking lapacke-sys v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking ogg v0.4.1
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking msdos_time v0.1.6
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]     Checking euclid v0.17.3
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking sid v0.5.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking lapacke v0.2.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling derive-new v0.5.7
[INFO] [stderr]     Checking cgmath v0.14.1
[INFO] [stderr]     Checking lewton v0.5.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking alga v0.5.4
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking rusttype v0.5.2
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking lyon_geom v0.10.1
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking slog-term v2.4.1
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking nalgebra v0.14.4
[INFO] [stderr]     Checking lyon_path v0.10.1
[INFO] [stderr]     Checking zip v0.3.3
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking rodio v0.7.0
[INFO] [stderr]     Checking lyon_tessellation v0.10.2
[INFO] [stderr]    Compiling procedurals v0.3.1
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking lyon v0.10.2
[INFO] [stderr]     Checking spaces v4.7.1
[INFO] [stderr]     Checking ndarray-linalg v0.10.0
[INFO] [stderr]     Checking lfa v0.8.2
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.5
[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_window_sdl v0.8.0
[INFO] [stderr]     Checking gfx_glyph v0.10.2
[INFO] [stderr]     Checking ggez v0.4.4
[INFO] [stderr]     Checking rsrl v0.6.0 (https://github.com/Ploppz/rsrl#7dd6b913)
[INFO] [stderr]     Checking t v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Observation`, `core::Controller`
[INFO] [stderr]  --> src/main.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 |     domains::{Domain, Observation, Acrobot},
[INFO] [stderr]   |                       ^^^^^^^^^^^
[INFO] [stderr] 7 |     core::Controller,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Observation`, `core::Controller`
[INFO] [stderr]  --> src/main.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 |     domains::{Domain, Observation, Acrobot},
[INFO] [stderr]   |                       ^^^^^^^^^^^
[INFO] [stderr] 7 |     core::Controller,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rectangle`
[INFO] [stderr]   --> src/main.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn rectangle(w: f32, h: f32) -> Vec<Point2> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `m`
[INFO] [stderr]   --> src/main.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | fn m(x: f32) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     event::run(ctx, state);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rectangle`
[INFO] [stderr]   --> src/main.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn rectangle(w: f32, h: f32) -> Vec<Point2> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `m`
[INFO] [stderr]   --> src/main.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | fn m(x: f32) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     event::run(ctx, state);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 19s
[INFO] running `"docker" "inspect" "508da4fe46e1e8a4c08f589f369ed3b96b1cab8359c602fac9cc0fb4dae9bb19"`
[INFO] running `"docker" "rm" "-f" "508da4fe46e1e8a4c08f589f369ed3b96b1cab8359c602fac9cc0fb4dae9bb19"`
[INFO] [stdout] 508da4fe46e1e8a4c08f589f369ed3b96b1cab8359c602fac9cc0fb4dae9bb19