[INFO] updating cached repository VaysseB/mazing
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/VaysseB/mazing
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/VaysseB/mazing" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/VaysseB/mazing"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/VaysseB/mazing'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VaysseB/mazing" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/VaysseB/mazing"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/VaysseB/mazing'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 56608ee6bb6fd112de86b7885445f5d0c1e07b66
[INFO] sha for GitHub repo VaysseB/mazing: 56608ee6bb6fd112de86b7885445f5d0c1e07b66
[INFO] validating manifest of VaysseB/mazing on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of VaysseB/mazing on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing VaysseB/mazing
[INFO] finished frobbing VaysseB/mazing
[INFO] frobbed toml for VaysseB/mazing written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/VaysseB/mazing/Cargo.toml
[INFO] started frobbing VaysseB/mazing
[INFO] finished frobbing VaysseB/mazing
[INFO] frobbed toml for VaysseB/mazing written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/VaysseB/mazing/Cargo.toml
[INFO] crate VaysseB/mazing already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking VaysseB/mazing against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-1/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/VaysseB/mazing:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 35f89ed1587669c6ef70cc12a9d98d07aae5cde73469ddf8df877970abaec802
[INFO] running `"docker" "start" "-a" "35f89ed1587669c6ef70cc12a9d98d07aae5cde73469ddf8df877970abaec802"`
[INFO] [stderr]     Checking shared_library v0.1.7
[INFO] [stderr]     Checking pistoncore-input v0.20.0
[INFO] [stderr]     Checking image v0.17.0
[INFO] [stderr]     Checking gl v0.6.5
[INFO] [stderr]     Checking wayland-kbd v0.9.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking winit v0.8.3
[INFO] [stderr]     Checking pistoncore-window v0.30.0
[INFO] [stderr]     Checking glutin v0.10.1
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.49.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.35.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.42.1
[INFO] [stderr]     Checking piston v0.35.0
[INFO] [stderr]     Checking mazing v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/app.rs:40:16
[INFO] [stderr]    |
[INFO] [stderr] 40 |         -> Box<task::Task<algo::base::Args>> {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn task::Task<algo::base::Args>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/task.rs:28:25
[INFO] [stderr]    |
[INFO] [stderr] 28 |     stack: VecDeque<Box<Task<T>>>
[INFO] [stderr]    |                         ^^^^^^^ help: use `dyn`: `dyn Task<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/task.rs:39:39
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn stack(&mut self, task: Box<Task<T>>) {
[INFO] [stderr]    |                                       ^^^^^^^ help: use `dyn`: `dyn Task<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/task.rs:102:23
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn log(task: &Box<Task<T>>, msg: &str) {
[INFO] [stderr]     |                       ^^^^^^^ help: use `dyn`: `dyn Task<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/task.rs:106:31
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn try_log<'a>(task: &Box<Task<T>>, msg: Option<Cow<'a, str>>) {
[INFO] [stderr]     |                               ^^^^^^^ help: use `dyn`: `dyn Task<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/grid.rs:177:42
[INFO] [stderr]     |
[INFO] [stderr] 177 |     pub fn from<'a, T>(&self, wgrid: &'a Within<T>) -> Option<Pos<'a, T>> {
[INFO] [stderr]     |                                          ^^^^^^^^^ help: use `dyn`: `dyn Within<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/grid.rs:181:50
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn from_mut<'a, T>(&self, wgrid: &'a mut Within<T>) -> Option<PosMut<'a, T>> {
[INFO] [stderr]     |                                                  ^^^^^^^^^ help: use `dyn`: `dyn Within<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/maze.rs:150:28
[INFO] [stderr]     |
[INFO] [stderr] 150 | pub type WithinOrthoMaze = Within<CellStatus>;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Within<CellStatus>`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Within` is imported redundantly
[INFO] [stderr]    --> src/maze_render.rs:200:13
[INFO] [stderr]     |
[INFO] [stderr] 9   | use super::grid::{Pos, Within};
[INFO] [stderr]     |                        ------ the item `Within` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 200 |         use grid::Within;
[INFO] [stderr]     |             ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/highmap.rs:49:31
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub type WithinOrthoHighMap = Within<CellStatus>;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Within<CellStatus>`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Rng` is imported redundantly
[INFO] [stderr]    --> src/algo/carving.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 4   | use self::rand::Rng;
[INFO] [stderr]     |     --------------- the item `Rng` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 160 |             use self::rand::Rng;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/app.rs:40:16
[INFO] [stderr]    |
[INFO] [stderr] 40 |         -> Box<task::Task<algo::base::Args>> {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn task::Task<algo::base::Args>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/task.rs:28:25
[INFO] [stderr]    |
[INFO] [stderr] 28 |     stack: VecDeque<Box<Task<T>>>
[INFO] [stderr]    |                         ^^^^^^^ help: use `dyn`: `dyn Task<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/task.rs:39:39
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn stack(&mut self, task: Box<Task<T>>) {
[INFO] [stderr]    |                                       ^^^^^^^ help: use `dyn`: `dyn Task<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/task.rs:102:23
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn log(task: &Box<Task<T>>, msg: &str) {
[INFO] [stderr]     |                       ^^^^^^^ help: use `dyn`: `dyn Task<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/task.rs:106:31
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn try_log<'a>(task: &Box<Task<T>>, msg: Option<Cow<'a, str>>) {
[INFO] [stderr]     |                               ^^^^^^^ help: use `dyn`: `dyn Task<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/grid.rs:177:42
[INFO] [stderr]     |
[INFO] [stderr] 177 |     pub fn from<'a, T>(&self, wgrid: &'a Within<T>) -> Option<Pos<'a, T>> {
[INFO] [stderr]     |                                          ^^^^^^^^^ help: use `dyn`: `dyn Within<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/grid.rs:181:50
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn from_mut<'a, T>(&self, wgrid: &'a mut Within<T>) -> Option<PosMut<'a, T>> {
[INFO] [stderr]     |                                                  ^^^^^^^^^ help: use `dyn`: `dyn Within<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/maze.rs:150:28
[INFO] [stderr]     |
[INFO] [stderr] 150 | pub type WithinOrthoMaze = Within<CellStatus>;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Within<CellStatus>`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Within` is imported redundantly
[INFO] [stderr]    --> src/maze_render.rs:200:13
[INFO] [stderr]     |
[INFO] [stderr] 9   | use super::grid::{Pos, Within};
[INFO] [stderr]     |                        ------ the item `Within` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 200 |         use grid::Within;
[INFO] [stderr]     |             ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/highmap.rs:49:31
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub type WithinOrthoHighMap = Within<CellStatus>;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Within<CellStatus>`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Rng` is imported redundantly
[INFO] [stderr]    --> src/algo/carving.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 4   | use self::rand::Rng;
[INFO] [stderr]     |     --------------- the item `Rng` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 160 |             use self::rand::Rng;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.53s
[INFO] running `"docker" "inspect" "35f89ed1587669c6ef70cc12a9d98d07aae5cde73469ddf8df877970abaec802"`
[INFO] running `"docker" "rm" "-f" "35f89ed1587669c6ef70cc12a9d98d07aae5cde73469ddf8df877970abaec802"`
[INFO] [stdout] 35f89ed1587669c6ef70cc12a9d98d07aae5cde73469ddf8df877970abaec802