[INFO] fetching crate curses-game-wrapper 0.0.4...
[INFO] testing curses-game-wrapper-0.0.4 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate curses-game-wrapper 0.0.4 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate curses-game-wrapper 0.0.4 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate curses-game-wrapper 0.0.4
[INFO] finished tweaking crates.io crate curses-game-wrapper 0.0.4
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[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 414bf72853d09fcc3064b512e757ee5d28a1833959e25d2f7c9874bcd6e00790
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[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
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[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling ascii v0.8.7
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling vte v0.3.3
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[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling slog-scope v4.4.0
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[INFO] [stderr]    Compiling slog-kvfilter v0.6.1
[INFO] [stderr]    Compiling trackable v1.2.0
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[INFO] [stderr]    Compiling sloggers v0.2.9
[INFO] [stderr]    Compiling curses-game-wrapper v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:326:29
[INFO] [stdout]     |
[INFO] [stdout] 326 |         let mut viewer: Box<GameViewer> = match self.draw_type {
[INFO] [stdout]     |                             ^^^^^^^^^^ help: use `dyn`: `dyn GameViewer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |                         send_or!(viewer, Handle::Panicked);
[INFO] [stdout]     |                         ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |                         send_or!(viewer, Handle::Zero);
[INFO] [stdout]     |                         ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 360 |                         send_or!(viewer, Handle::Valid(r));
[INFO] [stdout]     |                         ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 |                 ActionResult::GameEnded => do_action!(ActionResult::GameEnded),
[INFO] [stdout]     |                                            ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 378 |                     do_action!(ActionResult::Changed(map));
[INFO] [stdout]     |                     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 381 |                     do_action!(ActionResult::NotChanged);
[INFO] [stdout]     |                     ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 399 |             send_or!(viewer, Handle::Zero);
[INFO] [stdout]     |             ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:435:23
[INFO] [stdout]     |
[INFO] [stdout] 435 |         ViewerError(e.description().to_owned())
[INFO] [stdout]     |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:521:26
[INFO] [stdout]     |
[INFO] [stdout] 521 |         ProcessError(why.description().to_owned())
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:545:63
[INFO] [stdout]     |
[INFO] [stdout] 545 |             Err(why) => panic!("couldn't spawn game: {}", why.description()),
[INFO] [stdout]     |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:568:70
[INFO] [stdout]     |
[INFO] [stdout] 568 |                         panic!("couldn't read child stdout: {}", why.description())
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_buf`
[INFO] [stdout]   --> src/term_data.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn from_buf(buf: Vec<Vec<u8>>) -> TermData {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.72s
[INFO] running `Command { std: "docker" "inspect" "414bf72853d09fcc3064b512e757ee5d28a1833959e25d2f7c9874bcd6e00790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "414bf72853d09fcc3064b512e757ee5d28a1833959e25d2f7c9874bcd6e00790", kill_on_drop: false }`
[INFO] [stdout] 414bf72853d09fcc3064b512e757ee5d28a1833959e25d2f7c9874bcd6e00790
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ccc3f02e06a36ba2a27eb3a86f2b7eda56afdaa7081c1e502c3b4b264452e9b
[INFO] running `Command { std: "docker" "start" "-a" "5ccc3f02e06a36ba2a27eb3a86f2b7eda56afdaa7081c1e502c3b4b264452e9b", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:326:29
[INFO] [stdout]     |
[INFO] [stdout] 326 |         let mut viewer: Box<GameViewer> = match self.draw_type {
[INFO] [stdout]     |                             ^^^^^^^^^^ help: use `dyn`: `dyn GameViewer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |                         send_or!(viewer, Handle::Panicked);
[INFO] [stdout]     |                         ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |                         send_or!(viewer, Handle::Zero);
[INFO] [stdout]     |                         ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 360 |                         send_or!(viewer, Handle::Valid(r));
[INFO] [stdout]     |                         ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 |                 ActionResult::GameEnded => do_action!(ActionResult::GameEnded),
[INFO] [stdout]     |                                            ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 378 |                     do_action!(ActionResult::Changed(map));
[INFO] [stdout]     |                     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling curses-game-wrapper v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 381 |                     do_action!(ActionResult::NotChanged);
[INFO] [stdout]     |                     ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 399 |             send_or!(viewer, Handle::Zero);
[INFO] [stdout]     |             ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:435:23
[INFO] [stdout]     |
[INFO] [stdout] 435 |         ViewerError(e.description().to_owned())
[INFO] [stdout]     |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:521:26
[INFO] [stdout]     |
[INFO] [stdout] 521 |         ProcessError(why.description().to_owned())
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:545:63
[INFO] [stdout]     |
[INFO] [stdout] 545 |             Err(why) => panic!("couldn't spawn game: {}", why.description()),
[INFO] [stdout]     |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:568:70
[INFO] [stdout]     |
[INFO] [stdout] 568 |                         panic!("couldn't read child stdout: {}", why.description())
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_buf`
[INFO] [stdout]   --> src/term_data.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn from_buf(buf: Vec<Vec<u8>>) -> TermData {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> examples/rogue.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 |     };
[INFO] [stdout]   |      ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:326:29
[INFO] [stdout]     |
[INFO] [stdout] 326 |         let mut viewer: Box<GameViewer> = match self.draw_type {
[INFO] [stdout]     |                             ^^^^^^^^^^ help: use `dyn`: `dyn GameViewer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:614:10
[INFO] [stdout]     |
[INFO] [stdout] 614 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |                         send_or!(viewer, Handle::Panicked);
[INFO] [stdout]     |                         ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |                         send_or!(viewer, Handle::Zero);
[INFO] [stdout]     |                         ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 360 |                         send_or!(viewer, Handle::Valid(r));
[INFO] [stdout]     |                         ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 |                 ActionResult::GameEnded => do_action!(ActionResult::GameEnded),
[INFO] [stdout]     |                                            ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 378 |                     do_action!(ActionResult::Changed(map));
[INFO] [stdout]     |                     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 381 |                     do_action!(ActionResult::NotChanged);
[INFO] [stdout]     |                     ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         why.description()
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 399 |             send_or!(viewer, Handle::Zero);
[INFO] [stdout]     |             ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:435:23
[INFO] [stdout]     |
[INFO] [stdout] 435 |         ViewerError(e.description().to_owned())
[INFO] [stdout]     |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:521:26
[INFO] [stdout]     |
[INFO] [stdout] 521 |         ProcessError(why.description().to_owned())
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:545:63
[INFO] [stdout]     |
[INFO] [stdout] 545 |             Err(why) => panic!("couldn't spawn game: {}", why.description()),
[INFO] [stdout]     |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:568:70
[INFO] [stdout]     |
[INFO] [stdout] 568 |                         panic!("couldn't read child stdout: {}", why.description())
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.57s
[INFO] running `Command { std: "docker" "inspect" "5ccc3f02e06a36ba2a27eb3a86f2b7eda56afdaa7081c1e502c3b4b264452e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ccc3f02e06a36ba2a27eb3a86f2b7eda56afdaa7081c1e502c3b4b264452e9b", kill_on_drop: false }`
[INFO] [stdout] 5ccc3f02e06a36ba2a27eb3a86f2b7eda56afdaa7081c1e502c3b4b264452e9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8464f078b8b79d1f62b24d1cf2887c1458da36c03eb08fce2fd752f1f6653737
[INFO] running `Command { std: "docker" "start" "-a" "8464f078b8b79d1f62b24d1cf2887c1458da36c03eb08fce2fd752f1f6653737", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:326:29
[INFO] [stderr]     |
[INFO] [stderr] 326 |         let mut viewer: Box<GameViewer> = match self.draw_type {
[INFO] [stderr]     |                             ^^^^^^^^^^ help: use `dyn`: `dyn GameViewer`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:320:29
[INFO] [stderr]     |
[INFO] [stderr] 320 |                         why.description()
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 350 |                         send_or!(viewer, Handle::Panicked);
[INFO] [stderr]     |                         ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:320:29
[INFO] [stderr]     |
[INFO] [stderr] 320 |                         why.description()
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 355 |                         send_or!(viewer, Handle::Zero);
[INFO] [stderr]     |                         ------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:320:29
[INFO] [stderr]     |
[INFO] [stderr] 320 |                         why.description()
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 360 |                         send_or!(viewer, Handle::Valid(r));
[INFO] [stderr]     |                         ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:320:29
[INFO] [stderr]     |
[INFO] [stderr] 320 |                         why.description()
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 374 |                 ActionResult::GameEnded => do_action!(ActionResult::GameEnded),
[INFO] [stderr]     |                                            ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:320:29
[INFO] [stderr]     |
[INFO] [stderr] 320 |                         why.description()
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 378 |                     do_action!(ActionResult::Changed(map));
[INFO] [stderr]     |                     --------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:320:29
[INFO] [stderr]     |
[INFO] [stderr] 320 |                         why.description()
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 381 |                     do_action!(ActionResult::NotChanged);
[INFO] [stderr]     |                     ------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:320:29
[INFO] [stderr]     |
[INFO] [stderr] 320 |                         why.description()
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 399 |             send_or!(viewer, Handle::Zero);
[INFO] [stderr]     |             ------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `send_or` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:435:23
[INFO] [stderr]     |
[INFO] [stderr] 435 |         ViewerError(e.description().to_owned())
[INFO] [stderr]     |                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:521:26
[INFO] [stderr]     |
[INFO] [stderr] 521 |         ProcessError(why.description().to_owned())
[INFO] [stderr]     |                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:545:63
[INFO] [stderr]     |
[INFO] [stderr] 545 |             Err(why) => panic!("couldn't spawn game: {}", why.description()),
[INFO] [stderr]     |                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:568:70
[INFO] [stderr]     |
[INFO] [stderr] 568 |                         panic!("couldn't read child stdout: {}", why.description())
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_buf`
[INFO] [stderr]   --> src/term_data.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn from_buf(buf: Vec<Vec<u8>>) -> TermData {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:614:10
[INFO] [stderr]     |
[INFO] [stderr] 614 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `curses-game-wrapper` (lib) generated 13 warnings
[INFO] [stderr] warning: `curses-game-wrapper` (lib test) generated 13 warnings (12 duplicates)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]  --> examples/rogue.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 |     };
[INFO] [stderr]   |      ^ help: remove this semicolon
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `curses-game-wrapper` (example "rogue") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/curses_game_wrapper-600d359074e434fd)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test term_data::test::test_delete_lines ... ok
[INFO] [stdout] test term_data::test::test_insert_lines ... ok
[INFO] [stdout] test term_data::test::test_erase_chars ... ok
[INFO] [stdout] test term_data::test::test_delete_chars ... ok
[INFO] [stdout] test tests::test_gameplay ... ignored
[INFO] [stdout] test term_data::test::test_insert_chars ... ok
[INFO] [stdout] test term_data::test::test_scroll_down ... ok
[INFO] [stdout] test term_data::test::test_scroll_up ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests curses-game-wrapper
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - GameEnv (line 279) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 10) - compile ... ok
[INFO] [stdout] test src/lib.rs - GameSetting (line 115) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8464f078b8b79d1f62b24d1cf2887c1458da36c03eb08fce2fd752f1f6653737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8464f078b8b79d1f62b24d1cf2887c1458da36c03eb08fce2fd752f1f6653737", kill_on_drop: false }`
[INFO] [stdout] 8464f078b8b79d1f62b24d1cf2887c1458da36c03eb08fce2fd752f1f6653737
