[INFO] fetching crate conway 0.3.0... [INFO] checking conway-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate conway 0.3.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate conway 0.3.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 25 packages [INFO] [stderr] Adding aho-corasick v0.5.3 (latest: v1.1.3) [INFO] [stderr] Adding env_logger v0.3.5 (latest: v0.11.3) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.21) [INFO] [stderr] Adding memchr v0.1.11 (latest: v2.7.2) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding regex v0.1.80 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.3.9 (latest: v0.8.3) [INFO] [stderr] Adding thread-id v2.0.0 (latest: v4.2.1) [INFO] [stderr] Adding thread_local v0.2.7 (latest: v1.1.8) [INFO] [stderr] Adding utf8-ranges v0.1.3 (latest: v1.0.5) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand v0.3.23 [INFO] [stderr] Downloaded custom_error v1.9.2 [INFO] [stderr] Downloaded env_logger v0.3.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7f4dba4b4d64296c77875a4737104ed3747b43f12ce3b131945acceb98907a74 [INFO] running `Command { std: "docker" "start" "-a" "7f4dba4b4d64296c77875a4737104ed3747b43f12ce3b131945acceb98907a74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7f4dba4b4d64296c77875a4737104ed3747b43f12ce3b131945acceb98907a74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f4dba4b4d64296c77875a4737104ed3747b43f12ce3b131945acceb98907a74", kill_on_drop: false }` [INFO] [stdout] 7f4dba4b4d64296c77875a4737104ed3747b43f12ce3b131945acceb98907a74 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 02c6244ba430694229d3f234b61b2a7b30853ddb18ffc08fc50c94d3660f24f1 [INFO] running `Command { std: "docker" "start" "-a" "02c6244ba430694229d3f234b61b2a7b30853ddb18ffc08fc50c94d3660f24f1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking custom_error v1.9.2 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking rand v0.3.23 [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, callback: &mut FnMut(usize, usize, CellState)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 1323 | pub fn each_non_dead(&self, region: Region, visibility: Option, callback: &mut dyn FnMut(usize, usize, CellState)) { [INFO] [stdout] | +++ [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, callback: &mut FnMut(usize, usize, CellState)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 1418 | pub fn each_non_dead_full(&self, visibility: Option, callback: &mut dyn FnMut(usize, usize, CellState)) { [INFO] [stdout] | +++ [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, callback: &mut FnMut(usize, usize, CellState)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 1323 | pub fn each_non_dead(&self, region: Region, visibility: Option, callback: &mut dyn FnMut(usize, usize, CellState)) { [INFO] [stdout] | +++ [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, callback: &mut FnMut(usize, usize, CellState)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 1418 | pub fn each_non_dead_full(&self, visibility: Option, callback: &mut dyn FnMut(usize, usize, CellState)) { [INFO] [stdout] | +++ [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: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [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 [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 [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: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [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 [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 [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` profile [unoptimized + debuginfo] target(s) in 5.15s [INFO] running `Command { std: "docker" "inspect" "02c6244ba430694229d3f234b61b2a7b30853ddb18ffc08fc50c94d3660f24f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02c6244ba430694229d3f234b61b2a7b30853ddb18ffc08fc50c94d3660f24f1", kill_on_drop: false }` [INFO] [stdout] 02c6244ba430694229d3f234b61b2a7b30853ddb18ffc08fc50c94d3660f24f1