[INFO] fetching crate conway 0.3.0...
[INFO] checking conway-0.3.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate conway 0.3.0 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate conway 0.3.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate conway 0.3.0
[INFO] finished tweaking crates.io crate conway 0.3.0
[INFO] tweaked toml for crates.io crate conway 0.3.0 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-2021-10-15" "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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb78f90a9c41dcc8eec12575abaca27f2e1010a071df0f85124d38ab3ab8c8a9
[INFO] running `Command { std: "docker" "start" "-a" "eb78f90a9c41dcc8eec12575abaca27f2e1010a071df0f85124d38ab3ab8c8a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb78f90a9c41dcc8eec12575abaca27f2e1010a071df0f85124d38ab3ab8c8a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb78f90a9c41dcc8eec12575abaca27f2e1010a071df0f85124d38ab3ab8c8a9", kill_on_drop: false }`
[INFO] [stdout] eb78f90a9c41dcc8eec12575abaca27f2e1010a071df0f85124d38ab3ab8c8a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc472a0e086a970d3ad4323fd039e690c3be5ff27e56fbbf3a9cf73f029f0e2a
[INFO] running `Command { std: "docker" "start" "-a" "fc472a0e086a970d3ad4323fd039e690c3be5ff27e56fbbf3a9cf73f029f0e2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking custom_error v1.9.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking conway v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/universe.rs:1323:91
[INFO] [stdout]      |
[INFO] [stdout] 1323 |     pub fn each_non_dead(&self, region: Region, visibility: Option<usize>, callback: &mut FnMut(usize, usize, CellState)) {
[INFO] [stdout]      |                                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(usize, usize, CellState)`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2018) 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/universe.rs:1418:80
[INFO] [stdout]      |
[INFO] [stdout] 1418 |     pub fn each_non_dead_full(&self, visibility: Option<usize>, callback: &mut FnMut(usize, usize, CellState)) {
[INFO] [stdout]      |                                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(usize, usize, CellState)`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2018) 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/universe.rs:1323:91
[INFO] [stdout]      |
[INFO] [stdout] 1323 |     pub fn each_non_dead(&self, region: Region, visibility: Option<usize>, callback: &mut FnMut(usize, usize, CellState)) {
[INFO] [stdout]      |                                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(usize, usize, CellState)`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2018) 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/universe.rs:1418:80
[INFO] [stdout]      |
[INFO] [stdout] 1418 |     pub fn each_non_dead_full(&self, visibility: Option<usize>, callback: &mut FnMut(usize, usize, CellState)) {
[INFO] [stdout]      |                                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(usize, usize, CellState)`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2018) 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: panic message is not a string literal
[INFO] [stdout]    --> src/universe.rs:440:20
[INFO] [stdout]     |
[INFO] [stdout] 440 |             panic!(format!("char {:?} is invalid for this CharGrid", ch));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 440 -             panic!(format!("char {:?} is invalid for this CharGrid", ch));
[INFO] [stdout] 440 +             panic!("char {:?} is invalid for this CharGrid", ch);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/universe.rs:1488:40
[INFO] [stdout]      |
[INFO] [stdout] 1488 |           assert!(diff.gen0 < diff.gen1, format!("expected gen0 < gen1, but {} >= {}",
[INFO] [stdout]      |  ________________________________________^
[INFO] [stdout] 1489 | |                                                diff.gen0, diff.gen1));
[INFO] [stdout]      | |____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 1488 ~         assert!(diff.gen0 < diff.gen1, "expected gen0 < gen1, but {} >= {}",
[INFO] [stdout] 1489 ~                                                diff.gen0, diff.gen1);
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/universe.rs:1587:30
[INFO] [stdout]      |
[INFO] [stdout] 1587 |         assert!(gen0 < gen1, format!("expected gen0 < gen1, but {} >= {}", gen0, gen1));
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 1587 -         assert!(gen0 < gen1, format!("expected gen0 < gen1, but {} >= {}", gen0, gen1));
[INFO] [stdout] 1587 +         assert!(gen0 < gen1, "expected gen0 < gen1, but {} >= {}", gen0, gen1);
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/universe.rs:440:20
[INFO] [stdout]     |
[INFO] [stdout] 440 |             panic!(format!("char {:?} is invalid for this CharGrid", ch));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 440 -             panic!(format!("char {:?} is invalid for this CharGrid", ch));
[INFO] [stdout] 440 +             panic!("char {:?} is invalid for this CharGrid", ch);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/universe.rs:1488:40
[INFO] [stdout]      |
[INFO] [stdout] 1488 |           assert!(diff.gen0 < diff.gen1, format!("expected gen0 < gen1, but {} >= {}",
[INFO] [stdout]      |  ________________________________________^
[INFO] [stdout] 1489 | |                                                diff.gen0, diff.gen1));
[INFO] [stdout]      | |____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 1488 ~         assert!(diff.gen0 < diff.gen1, "expected gen0 < gen1, but {} >= {}",
[INFO] [stdout] 1489 ~                                                diff.gen0, diff.gen1);
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/universe.rs:1587:30
[INFO] [stdout]      |
[INFO] [stdout] 1587 |         assert!(gen0 < gen1, format!("expected gen0 < gen1, but {} >= {}", gen0, gen1));
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 1587 -         assert!(gen0 < gen1, format!("expected gen0 < gen1, but {} >= {}", gen0, gen1));
[INFO] [stdout] 1587 +         assert!(gen0 < gen1, "expected gen0 < gen1, but {} >= {}", gen0, gen1);
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.12s
[INFO] running `Command { std: "docker" "inspect" "fc472a0e086a970d3ad4323fd039e690c3be5ff27e56fbbf3a9cf73f029f0e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc472a0e086a970d3ad4323fd039e690c3be5ff27e56fbbf3a9cf73f029f0e2a", kill_on_drop: false }`
[INFO] [stdout] fc472a0e086a970d3ad4323fd039e690c3be5ff27e56fbbf3a9cf73f029f0e2a
