[INFO] fetching crate art_dice 0.4.1... [INFO] checking art_dice-0.4.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate art_dice 0.4.1 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate art_dice 0.4.1 [INFO] finished tweaking crates.io crate art_dice 0.4.1 [INFO] tweaked toml for crates.io crate art_dice 0.4.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate art_dice 0.4.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 2 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.10.5 (available: v0.14.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7154bc9dd4b6ba565aaca995ca1b461fa46da66b8d37410975750fd409d35ae2 [INFO] running `Command { std: "docker" "start" "-a" "7154bc9dd4b6ba565aaca995ca1b461fa46da66b8d37410975750fd409d35ae2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7154bc9dd4b6ba565aaca995ca1b461fa46da66b8d37410975750fd409d35ae2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7154bc9dd4b6ba565aaca995ca1b461fa46da66b8d37410975750fd409d35ae2", kill_on_drop: false }` [INFO] [stdout] 7154bc9dd4b6ba565aaca995ca1b461fa46da66b8d37410975750fd409d35ae2 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e746560702addcf8837ca916db3c72063906280c010b6b28964bb412cac61d2f [INFO] running `Command { std: "docker" "start" "-a" "e746560702addcf8837ca916db3c72063906280c010b6b28964bb412cac61d2f", kill_on_drop: false }` [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking art_dice v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rolls/mod.rs:53:45 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn exactly_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget { [INFO] [stdout] | ^^ ---------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 53 | pub fn exactly_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rolls/mod.rs:61:46 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn at_least_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget { [INFO] [stdout] | ^^ ---------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 61 | pub fn at_least_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rolls/mod.rs:69:45 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn at_most_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget { [INFO] [stdout] | ^^ ---------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 69 | pub fn at_most_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rolls/mod.rs:96:34 [INFO] [stdout] | [INFO] [stdout] 96 | pub fn collect_all(symbols: &'a [DieSymbol]) -> RollCollectionPolicy { [INFO] [stdout] | ^^ -------------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 96 | pub fn collect_all(symbols: &'a [DieSymbol]) -> RollCollectionPolicy<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rolls/mod.rs:104:49 [INFO] [stdout] | [INFO] [stdout] 104 | pub fn take_highest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy { [INFO] [stdout] | ^^ -------------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 104 | pub fn take_highest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rolls/mod.rs:112:48 [INFO] [stdout] | [INFO] [stdout] 112 | pub fn take_lowest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy { [INFO] [stdout] | ^^ -------------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 112 | pub fn take_lowest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rolls/mod.rs:120:51 [INFO] [stdout] | [INFO] [stdout] 120 | pub fn remove_highest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy { [INFO] [stdout] | ^^ -------------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 120 | pub fn remove_highest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rolls/mod.rs:128:50 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn remove_lowest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy { [INFO] [stdout] | ^^ -------------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 128 | pub fn remove_lowest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rolls/mod.rs:53:45 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn exactly_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget { [INFO] [stdout] | ^^ ---------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 53 | pub fn exactly_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rolls/mod.rs:61:46 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn at_least_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget { [INFO] [stdout] | ^^ ---------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 61 | pub fn at_least_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rolls/mod.rs:69:45 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn at_most_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget { [INFO] [stdout] | ^^ ---------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 69 | pub fn at_most_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rolls/mod.rs:96:34 [INFO] [stdout] | [INFO] [stdout] 96 | pub fn collect_all(symbols: &'a [DieSymbol]) -> RollCollectionPolicy { [INFO] [stdout] | ^^ -------------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 96 | pub fn collect_all(symbols: &'a [DieSymbol]) -> RollCollectionPolicy<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rolls/mod.rs:104:49 [INFO] [stdout] | [INFO] [stdout] 104 | pub fn take_highest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy { [INFO] [stdout] | ^^ -------------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 104 | pub fn take_highest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rolls/mod.rs:112:48 [INFO] [stdout] | [INFO] [stdout] 112 | pub fn take_lowest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy { [INFO] [stdout] | ^^ -------------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 112 | pub fn take_lowest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rolls/mod.rs:120:51 [INFO] [stdout] | [INFO] [stdout] 120 | pub fn remove_highest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy { [INFO] [stdout] | ^^ -------------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 120 | pub fn remove_highest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rolls/mod.rs:128:50 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn remove_lowest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy { [INFO] [stdout] | ^^ -------------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 128 | pub fn remove_lowest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.06s [INFO] running `Command { std: "docker" "inspect" "e746560702addcf8837ca916db3c72063906280c010b6b28964bb412cac61d2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e746560702addcf8837ca916db3c72063906280c010b6b28964bb412cac61d2f", kill_on_drop: false }` [INFO] [stdout] e746560702addcf8837ca916db3c72063906280c010b6b28964bb412cac61d2f