[INFO] fetching crate game-of-life-parsers 2.0.1...
[INFO] testing game-of-life-parsers-2.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate game-of-life-parsers 2.0.1 into /workspace/builds/worker-114/source
[INFO] validating manifest of crates.io crate game-of-life-parsers 2.0.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate game-of-life-parsers 2.0.1
[INFO] finished tweaking crates.io crate game-of-life-parsers 2.0.1
[INFO] tweaked toml for crates.io crate game-of-life-parsers 2.0.1 written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de8560a320bb9aa7b5448735888ca728cc2f99e6d41df3a971e0d8de7052db84
[INFO] running `Command { std: "docker" "start" "-a" "de8560a320bb9aa7b5448735888ca728cc2f99e6d41df3a971e0d8de7052db84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de8560a320bb9aa7b5448735888ca728cc2f99e6d41df3a971e0d8de7052db84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de8560a320bb9aa7b5448735888ca728cc2f99e6d41df3a971e0d8de7052db84", kill_on_drop: false }`
[INFO] [stdout] de8560a320bb9aa7b5448735888ca728cc2f99e6d41df3a971e0d8de7052db84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ea747b7c4f3b7ba1158bc8d5e17cb813db0e3fd07bef38739ca0b80f68a5dea
[INFO] running `Command { std: "docker" "start" "-a" "2ea747b7c4f3b7ba1158bc8d5e17cb813db0e3fd07bef38739ca0b80f68a5dea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling game-of-life-parsers v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game_descriptor.rs:14:38
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn no_negative_coords(&self) -> Box<GameDescriptor>;
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/default_game_descriptor.rs:50:38
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn no_negative_coords(&self) -> Box<GameDescriptor> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/life_1_05_parser.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>> {
[INFO] [stdout]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/life_1_05_parser.rs:19:71
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>> {
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/life_1_06_parser.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>> {
[INFO] [stdout]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/life_1_06_parser.rs:19:71
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>> {
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Regex` is imported redundantly
[INFO] [stdout]   --> src/parsers/life_1_06_parser.rs:55:6
[INFO] [stdout]    |
[INFO] [stdout] 6  | use regex::Regex;
[INFO] [stdout]    |     ------------ the item `Regex` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 55 |     use regex::Regex;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/mod.rs:14:37
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>>;
[INFO] [stdout]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/mod.rs:14:71
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>>;
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.57s
[INFO] running `Command { std: "docker" "inspect" "2ea747b7c4f3b7ba1158bc8d5e17cb813db0e3fd07bef38739ca0b80f68a5dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea747b7c4f3b7ba1158bc8d5e17cb813db0e3fd07bef38739ca0b80f68a5dea", kill_on_drop: false }`
[INFO] [stdout] 2ea747b7c4f3b7ba1158bc8d5e17cb813db0e3fd07bef38739ca0b80f68a5dea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7fa5aafac35a709604d268f35666dde0bb3dd2c735f1854f644f8646791454a
[INFO] running `Command { std: "docker" "start" "-a" "b7fa5aafac35a709604d268f35666dde0bb3dd2c735f1854f644f8646791454a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling io-test-util v0.1.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game_descriptor.rs:14:38
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn no_negative_coords(&self) -> Box<GameDescriptor>;
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/default_game_descriptor.rs:50:38
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn no_negative_coords(&self) -> Box<GameDescriptor> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/life_1_05_parser.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>> {
[INFO] [stdout]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/life_1_05_parser.rs:19:71
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>> {
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/life_1_06_parser.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>> {
[INFO] [stdout]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/life_1_06_parser.rs:19:71
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>> {
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Regex` is imported redundantly
[INFO] [stdout]   --> src/parsers/life_1_06_parser.rs:55:6
[INFO] [stdout]    |
[INFO] [stdout] 6  | use regex::Regex;
[INFO] [stdout]    |     ------------ the item `Regex` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 55 |     use regex::Regex;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/mod.rs:14:37
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>>;
[INFO] [stdout]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/mod.rs:14:71
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>>;
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling game-of-life-parsers v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/test_life_1_05.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let gd: Box<GameDescriptor> = parser.parse(Box::new(file)).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game_descriptor.rs:14:38
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn no_negative_coords(&self) -> Box<GameDescriptor>;
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/default_game_descriptor.rs:50:38
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn no_negative_coords(&self) -> Box<GameDescriptor> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/life_1_05_parser.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>> {
[INFO] [stdout]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/life_1_05_parser.rs:19:71
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>> {
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/life_1_06_parser.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>> {
[INFO] [stdout]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/life_1_06_parser.rs:19:71
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>> {
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Regex` is imported redundantly
[INFO] [stdout]   --> src/parsers/life_1_06_parser.rs:55:6
[INFO] [stdout]    |
[INFO] [stdout] 6  | use regex::Regex;
[INFO] [stdout]    |     ------------ the item `Regex` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 55 |     use regex::Regex;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/mod.rs:14:37
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>>;
[INFO] [stdout]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/mod.rs:14:71
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>>;
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "b7fa5aafac35a709604d268f35666dde0bb3dd2c735f1854f644f8646791454a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7fa5aafac35a709604d268f35666dde0bb3dd2c735f1854f644f8646791454a", kill_on_drop: false }`
[INFO] [stdout] b7fa5aafac35a709604d268f35666dde0bb3dd2c735f1854f644f8646791454a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f4e8d1d0ef4f152dedd88caceabb43f903d7cfdb65806132e759bfbd71c78785
[INFO] running `Command { std: "docker" "start" "-a" "f4e8d1d0ef4f152dedd88caceabb43f903d7cfdb65806132e759bfbd71c78785", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game_descriptor.rs:14:38
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn no_negative_coords(&self) -> Box<GameDescriptor>;
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/default_game_descriptor.rs:50:38
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn no_negative_coords(&self) -> Box<GameDescriptor> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[INFO] [stderr]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parsers/life_1_05_parser.rs:19:37
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>> {
[INFO] [stderr]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stderr]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parsers/life_1_05_parser.rs:19:71
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>> {
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[INFO] [stderr]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parsers/life_1_06_parser.rs:19:37
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>> {
[INFO] [stderr]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stderr]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parsers/life_1_06_parser.rs:19:71
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>> {
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[INFO] [stderr]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Regex` is imported redundantly
[INFO] [stderr]   --> src/parsers/life_1_06_parser.rs:55:6
[INFO] [stderr]    |
[INFO] [stderr] 6  | use regex::Regex;
[INFO] [stderr]    |     ------------ the item `Regex` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 55 |     use regex::Regex;
[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/parsers/mod.rs:14:37
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>>;
[INFO] [stderr]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stderr]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parsers/mod.rs:14:71
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn parse<'a>(&mut self, input: Box<Read + 'a>) -> errors::Result<Box<GameDescriptor>>;
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[INFO] [stderr]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `game-of-life-parsers` (lib) generated 9 warnings
[INFO] [stderr] warning: `game-of-life-parsers` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/test_life_1_05.rs:14:14
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let gd: Box<GameDescriptor> = parser.parse(Box::new(file)).unwrap();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GameDescriptor`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `game-of-life-parsers` (test "test_life_1_05") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/game_of_life_parsers-56029adc45e1c08b)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test parsers::life_1_05_parser::test::commented_out_lines_should_be_ignored ... ok
[INFO] [stdout] test parsers::life_1_05_parser::test::parser_should_understand_default_rules ... ok
[INFO] [stdout] test parsers::life_1_05_parser::test::parse_rules_should_parse_custom_rules ... ok
[INFO] [stdout] test parsers::life_1_05_parser::test::empty_lines_should_be_ignored ... ok
[INFO] [stdout] test parsers::life_1_06_parser::test::should_ignore_empty_lines ... ok
[INFO] [stdout] test parsers::life_1_06_parser::test::should_ignore_commented_out_lines ... ok
[INFO] [stdout] test default_game_descriptor::test::no_negative_coords_should_work ... ok
[INFO] [stdout] test parsers::life_1_05_parser::test::should_correctly_handle_io_errors ... ok
[INFO] [stdout] test parsers::life_1_06_parser::test::should_throw_error_on_wrong_format_annotation ... ok
[INFO] [stdout] test parsers::life_1_05_parser::test::should_raise_error_on_invalid_block_header ... ok
[INFO] [stdout] test parsers::life_1_06_parser::test::should_fail_on_unexpected_chars ... ok
[INFO] [stdout] test parsers::life_1_05_parser::test::should_raise_error_on_unexpected_character_in_block ... ok
[INFO] [stdout] test parsers::life_1_05_parser::test::should_handle_too_big_vertical_coords ... ok
[INFO] [stdout] test parsers::life_1_05_parser::test::should_handle_too_big_horizontal_coords ... ok
[INFO] [stdout] test parsers::life_1_05_parser::test::parse_offset_should_handle_too_big_coords ... ok
[INFO] [stdout] test parsers::life_1_06_parser::test::should_correctly_handle_io_errors ... ok
[INFO] [stdout] test parsers::life_1_05_parser::test::should_fail_on_unexpected_chars_outside_blocks ... ok
[INFO] [stdout] test parsers::life_1_05_parser::test::parse_rules_should_err ... ok
[INFO] [stdout] test parsers::life_1_05_parser::test::should_throw_error_on_wrong_format_annotation ... ok
[INFO] [stdout] test parsers::life_1_06_parser::test::should_handle_too_big_coordinates ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_life_1_05.rs (/opt/rustwide/target/debug/deps/test_life_1_05-41a13d8166ce67c5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parse_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_life_1_06.rs (/opt/rustwide/target/debug/deps/test_life_1_06-2ad3bc0a925818d8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parse_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests game-of-life-parsers
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f4e8d1d0ef4f152dedd88caceabb43f903d7cfdb65806132e759bfbd71c78785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4e8d1d0ef4f152dedd88caceabb43f903d7cfdb65806132e759bfbd71c78785", kill_on_drop: false }`
[INFO] [stdout] f4e8d1d0ef4f152dedd88caceabb43f903d7cfdb65806132e759bfbd71c78785