[INFO] fetching crate rand-distributions 0.1.2... [INFO] checking rand-distributions-0.1.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate rand-distributions 0.1.2 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate rand-distributions 0.1.2 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rand-distributions 0.1.2 [INFO] finished tweaking crates.io crate rand-distributions 0.1.2 [INFO] tweaked toml for crates.io crate rand-distributions 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 19 packages to latest compatible versions [INFO] [stderr] Adding num v0.1.42 (available: v0.4.3) [INFO] [stderr] Adding num-bigint v0.1.44 (available: v0.4.6) [INFO] [stderr] Adding num-complex v0.1.43 (available: v0.4.6) [INFO] [stderr] Adding num-rational v0.1.42 (available: v0.4.2) [INFO] [stderr] Adding rand v0.3.23 (available: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (available: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (available: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (available: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (available: v0.8.3) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 50d1cfa56b4cfe9995f8b263d77ffb2c4e90dffe8e2c9b0dc42ae54885645d34 [INFO] running `Command { std: "docker" "start" "-a" "50d1cfa56b4cfe9995f8b263d77ffb2c4e90dffe8e2c9b0dc42ae54885645d34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50d1cfa56b4cfe9995f8b263d77ffb2c4e90dffe8e2c9b0dc42ae54885645d34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50d1cfa56b4cfe9995f8b263d77ffb2c4e90dffe8e2c9b0dc42ae54885645d34", kill_on_drop: false }` [INFO] [stdout] 50d1cfa56b4cfe9995f8b263d77ffb2c4e90dffe8e2c9b0dc42ae54885645d34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e81ddaa0fef449a63b36dceec378da9515a73647d6a023f31b23834f13cc19dc [INFO] running `Command { std: "docker" "start" "-a" "e81ddaa0fef449a63b36dceec378da9515a73647d6a023f31b23834f13cc19dc", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking rand-distributions v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused macro definition: `random_simple_to_default_distribution` [INFO] [stdout] --> src/random.rs:44:14 [INFO] [stdout] | [INFO] [stdout] 44 | macro_rules! random_simple_to_default_distribution { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `thread_rng` [INFO] [stdout] --> src/random.rs:60:22 [INFO] [stdout] | [INFO] [stdout] 60 | use rand::{self, thread_rng, Rng}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `thread_rng` [INFO] [stdout] --> src/impls.rs:165:27 [INFO] [stdout] | [INFO] [stdout] 165 | use rand::{self, Rng, thread_rng}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `thread_rng` [INFO] [stdout] --> src/rng_ext.rs:47:22 [INFO] [stdout] | [INFO] [stdout] 47 | use rand::{self, thread_rng, Rng}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `thread_rng` [INFO] [stdout] --> src/uniform.rs:107:22 [INFO] [stdout] | [INFO] [stdout] 107 | use rand::{self, thread_rng, Rng}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `thread_rng` [INFO] [stdout] --> src/uniform_range.rs:117:22 [INFO] [stdout] | [INFO] [stdout] 117 | use rand::{self, thread_rng, Rng}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated type `PrimitiveInteger::Unsigned` is more private than the item `UniformPrimitiveIntegerRange` [INFO] [stdout] --> src/uniform_range.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 | / impl UniformPrimitiveIntegerRange [INFO] [stdout] 25 | | where Wrapping: Sub> [INFO] [stdout] | |____________________________________________________________________^ implementation `UniformPrimitiveIntegerRange` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but associated type `PrimitiveInteger::Unsigned` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/uniform_range.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | type Unsigned : PrimitiveInteger; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_bounds)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `PrimitiveInteger` is more private than the item `UniformPrimitiveIntegerRange` [INFO] [stdout] --> src/uniform_range.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 | / impl UniformPrimitiveIntegerRange [INFO] [stdout] 25 | | where Wrapping: Sub> [INFO] [stdout] | |____________________________________________________________________^ implementation `UniformPrimitiveIntegerRange` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but trait `PrimitiveInteger` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/uniform_range.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | trait PrimitiveInteger: PrimInt { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated type `PrimitiveInteger::Unsigned` is more private than the item `uniform_range::UniformPrimitiveIntegerRange` [INFO] [stdout] --> src/uniform_range.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 | / impl UniformPrimitiveIntegerRange [INFO] [stdout] 25 | | where Wrapping: Sub> [INFO] [stdout] | |____________________________________________________________________^ implementation `uniform_range::UniformPrimitiveIntegerRange` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but associated type `PrimitiveInteger::Unsigned` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/uniform_range.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | type Unsigned : PrimitiveInteger; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_bounds)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `PrimitiveInteger` is more private than the item `uniform_range::UniformPrimitiveIntegerRange` [INFO] [stdout] --> src/uniform_range.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 | / impl UniformPrimitiveIntegerRange [INFO] [stdout] 25 | | where Wrapping: Sub> [INFO] [stdout] | |____________________________________________________________________^ implementation `uniform_range::UniformPrimitiveIntegerRange` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but trait `PrimitiveInteger` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/uniform_range.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | trait PrimitiveInteger: PrimInt { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/random.rs:63:19 [INFO] [stdout] | [INFO] [stdout] 63 | struct MyType(u8); [INFO] [stdout] | ------ ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/main.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | fn test(&self, Args) -> bool { [INFO] [stdout] | ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Args` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:16:31 [INFO] [stdout] | [INFO] [stdout] 16 | ::std::mem::size_of::<(A)>() == 8 [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 16 - ::std::mem::size_of::<(A)>() == 8 [INFO] [stdout] 16 + ::std::mem::size_of::() == 8 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/main.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | fn test(&self, Args) -> bool { [INFO] [stdout] | ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Args` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:16:31 [INFO] [stdout] | [INFO] [stdout] 16 | ::std::mem::size_of::<(A)>() == 8 [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 16 - ::std::mem::size_of::<(A)>() == 8 [INFO] [stdout] 16 + ::std::mem::size_of::() == 8 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.38s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "e81ddaa0fef449a63b36dceec378da9515a73647d6a023f31b23834f13cc19dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e81ddaa0fef449a63b36dceec378da9515a73647d6a023f31b23834f13cc19dc", kill_on_drop: false }` [INFO] [stdout] e81ddaa0fef449a63b36dceec378da9515a73647d6a023f31b23834f13cc19dc