[INFO] crate ascii-canvas 2.0.0 is already in cache
[INFO] extracting crate ascii-canvas 2.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/ascii-canvas/2.0.0
[INFO] extracting crate ascii-canvas 2.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ascii-canvas/2.0.0
[INFO] validating manifest of ascii-canvas-2.0.0 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 ascii-canvas-2.0.0 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 ascii-canvas-2.0.0
[INFO] finished frobbing ascii-canvas-2.0.0
[INFO] frobbed toml for ascii-canvas-2.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ascii-canvas/2.0.0/Cargo.toml
[INFO] started frobbing ascii-canvas-2.0.0
[INFO] finished frobbing ascii-canvas-2.0.0
[INFO] frobbed toml for ascii-canvas-2.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ascii-canvas/2.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 ascii-canvas-2.0.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ascii-canvas/2.0.0:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] b3768ea8d38cdc903a710001bf54b88af43cceb5177a84c0f9f1ae8c1c6c60af
[INFO] running `"docker" "start" "-a" "b3768ea8d38cdc903a710001bf54b88af43cceb5177a84c0f9f1ae8c1c6c60af"`
[INFO] [stderr]    Compiling ascii-canvas v2.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:33:10
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl<'a> AsciiView+'a {
[INFO] [stderr]    |          ^^^^^^^^^^^^ help: use `dyn`: `dyn AsciiView+'a`
[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/lib.rs:217:24
[INFO] [stderr]     |
[INFO] [stderr] 217 |     base: &'canvas mut AsciiView,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn AsciiView`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:228:31
[INFO] [stderr]     |
[INFO] [stderr] 228 |     fn new(base: &'canvas mut AsciiView,
[INFO] [stderr]     |                               ^^^^^^^^^ help: use `dyn`: `dyn AsciiView`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:284:24
[INFO] [stderr]     |
[INFO] [stderr] 284 |     base: &'canvas mut AsciiView,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn AsciiView`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:289:31
[INFO] [stderr]     |
[INFO] [stderr] 289 |     fn new(base: &'canvas mut AsciiView, style: Style) -> Self {
[INFO] [stderr]     |                               ^^^^^^^^^ help: use `dyn`: `dyn AsciiView`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/row.rs:21:46
[INFO] [stderr]    |
[INFO] [stderr] 21 |         for (character, &style) in self.text.trim_right().chars()
[INFO] [stderr]    |                                              ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/row.rs:35:32
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Display::fmt(self.text.trim_right(), fmt)
[INFO] [stderr]    |                                ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/row.rs:43:37
[INFO] [stderr]    |
[INFO] [stderr] 43 |         try!(Display::fmt(self.text.trim_right(), fmt));
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "b3768ea8d38cdc903a710001bf54b88af43cceb5177a84c0f9f1ae8c1c6c60af"`
[INFO] running `"docker" "rm" "-f" "b3768ea8d38cdc903a710001bf54b88af43cceb5177a84c0f9f1ae8c1c6c60af"`
[INFO] [stdout] b3768ea8d38cdc903a710001bf54b88af43cceb5177a84c0f9f1ae8c1c6c60af
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ascii-canvas/2.0.0:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] f4d368eba5fabc53e017e45e8fc5f0bc12aba8e2959e754c5ac824d9e91d66b2
[INFO] running `"docker" "start" "-a" "f4d368eba5fabc53e017e45e8fc5f0bc12aba8e2959e754c5ac824d9e91d66b2"`
[INFO] [stderr]    Compiling ascii-canvas v2.0.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `test_util`
[INFO] [stderr]  --> src/test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use test_util::expect_debug;
[INFO] [stderr]   |     ^^^^^^^^^ maybe a missing crate `test_util`?
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 |         let view: &mut AsciiView = &mut canvas;
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn AsciiView`
[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/test.rs:33:24
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let view: &mut AsciiView = &mut canvas;
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn AsciiView`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test.rs:56:26
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let canvas: &mut AsciiView = &mut canvas;
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn AsciiView`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test.rs:57:24
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let view: &mut AsciiView = &mut canvas.shift(1, 2);
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn AsciiView`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:33:10
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl<'a> AsciiView+'a {
[INFO] [stderr]    |          ^^^^^^^^^^^^ help: use `dyn`: `dyn AsciiView+'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:217:24
[INFO] [stderr]     |
[INFO] [stderr] 217 |     base: &'canvas mut AsciiView,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn AsciiView`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:228:31
[INFO] [stderr]     |
[INFO] [stderr] 228 |     fn new(base: &'canvas mut AsciiView,
[INFO] [stderr]     |                               ^^^^^^^^^ help: use `dyn`: `dyn AsciiView`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:284:24
[INFO] [stderr]     |
[INFO] [stderr] 284 |     base: &'canvas mut AsciiView,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn AsciiView`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:289:31
[INFO] [stderr]     |
[INFO] [stderr] 289 |     fn new(base: &'canvas mut AsciiView, style: Style) -> Self {
[INFO] [stderr]     |                               ^^^^^^^^^ help: use `dyn`: `dyn AsciiView`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/row.rs:21:46
[INFO] [stderr]    |
[INFO] [stderr] 21 |         for (character, &style) in self.text.trim_right().chars()
[INFO] [stderr]    |                                              ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/row.rs:35:32
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Display::fmt(self.text.trim_right(), fmt)
[INFO] [stderr]    |                                ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/row.rs:43:37
[INFO] [stderr]    |
[INFO] [stderr] 43 |         try!(Display::fmt(self.text.trim_right(), fmt));
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `ascii-canvas`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f4d368eba5fabc53e017e45e8fc5f0bc12aba8e2959e754c5ac824d9e91d66b2"`
[INFO] running `"docker" "rm" "-f" "f4d368eba5fabc53e017e45e8fc5f0bc12aba8e2959e754c5ac824d9e91d66b2"`
[INFO] [stdout] f4d368eba5fabc53e017e45e8fc5f0bc12aba8e2959e754c5ac824d9e91d66b2