[INFO] fetching crate mutagen 0.1.2... [INFO] testing mutagen-0.1.2 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] extracting crate mutagen 0.1.2 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate mutagen 0.1.2 [INFO] finished tweaking crates.io crate mutagen 0.1.2 [INFO] tweaked toml for crates.io crate mutagen 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mutagen 0.1.2 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 1 package to latest compatible version [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 381adcdecf38cb3a06e2fdf26a3c249df3ba1199b30be4613602b0b8b643bf69 [INFO] running `Command { std: "docker" "start" "-a" "381adcdecf38cb3a06e2fdf26a3c249df3ba1199b30be4613602b0b8b643bf69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "381adcdecf38cb3a06e2fdf26a3c249df3ba1199b30be4613602b0b8b643bf69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "381adcdecf38cb3a06e2fdf26a3c249df3ba1199b30be4613602b0b8b643bf69", kill_on_drop: false }` [INFO] [stdout] 381adcdecf38cb3a06e2fdf26a3c249df3ba1199b30be4613602b0b8b643bf69 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2faa2368aa295a1e2993d041314ab016d98d547a858ff66e7af1a734644a5d18 [INFO] running `Command { std: "docker" "start" "-a" "2faa2368aa295a1e2993d041314ab016d98d547a858ff66e7af1a734644a5d18", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling mutagen v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> build.rs:6:26 [INFO] [stdout] | [INFO] [stdout] 6 | fn write_binop(out: &mut Write, o_trait: &str, o_fn: &str, mut_trait: &str, mut_fn: &str) -> [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 6 | fn write_binop(out: &mut dyn Write, o_trait: &str, o_fn: &str, mut_trait: &str, mut_fn: &str) -> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> build.rs:68:25 [INFO] [stdout] | [INFO] [stdout] 68 | fn write_unop(out: &mut Write, op_trait: &str, op_fn: &str) -> Result<()> { [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 68 | fn write_unop(out: &mut dyn Write, op_trait: &str, op_fn: &str) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `assoc_unix_epoch` has been stable since 1.28.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:54 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `atomic_min_max` has been stable since 1.45.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:44 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:216:94 [INFO] [stdout] | [INFO] [stdout] 216 | pub fn forloop<'a, I: Iterator + 'a>(i: I, n: usize, flag: &AtomicUsize, mask: usize) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 216 | pub fn forloop<'a, I: Iterator + 'a>(i: I, n: usize, flag: &AtomicUsize, mask: usize) -> Box + 'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:143:72 [INFO] [stdout] | [INFO] [stdout] 143 | pub fn forloop<'a, I: Iterator + 'a>(&self, i: I, n: usize) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 143 | pub fn forloop<'a, I: Iterator + 'a>(&self, i: I, n: usize) -> Box + 'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `inner` is never read [INFO] [stdout] --> src/iterators.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct NoopIterator { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 4 | pub inner: I, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.18s [INFO] running `Command { std: "docker" "inspect" "2faa2368aa295a1e2993d041314ab016d98d547a858ff66e7af1a734644a5d18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2faa2368aa295a1e2993d041314ab016d98d547a858ff66e7af1a734644a5d18", kill_on_drop: false }` [INFO] [stdout] 2faa2368aa295a1e2993d041314ab016d98d547a858ff66e7af1a734644a5d18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cba24d8a29d98ef08e9c514bb8bc87ee6d4412d4f0769874f6d288fdc2f47d7a [INFO] running `Command { std: "docker" "start" "-a" "cba24d8a29d98ef08e9c514bb8bc87ee6d4412d4f0769874f6d288fdc2f47d7a", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> build.rs:6:26 [INFO] [stdout] | [INFO] [stdout] 6 | fn write_binop(out: &mut Write, o_trait: &str, o_fn: &str, mut_trait: &str, mut_fn: &str) -> [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 6 | fn write_binop(out: &mut dyn Write, o_trait: &str, o_fn: &str, mut_trait: &str, mut_fn: &str) -> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> build.rs:68:25 [INFO] [stdout] | [INFO] [stdout] 68 | fn write_unop(out: &mut Write, op_trait: &str, op_fn: &str) -> Result<()> { [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 68 | fn write_unop(out: &mut dyn Write, op_trait: &str, op_fn: &str) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `assoc_unix_epoch` has been stable since 1.28.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:54 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `atomic_min_max` has been stable since 1.45.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:44 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:216:94 [INFO] [stdout] | [INFO] [stdout] 216 | pub fn forloop<'a, I: Iterator + 'a>(i: I, n: usize, flag: &AtomicUsize, mask: usize) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 216 | pub fn forloop<'a, I: Iterator + 'a>(i: I, n: usize, flag: &AtomicUsize, mask: usize) -> Box + 'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:143:72 [INFO] [stdout] | [INFO] [stdout] 143 | pub fn forloop<'a, I: Iterator + 'a>(&self, i: I, n: usize) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 143 | pub fn forloop<'a, I: Iterator + 'a>(&self, i: I, n: usize) -> Box + 'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling mutagen v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `inner` is never read [INFO] [stdout] --> src/iterators.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct NoopIterator { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 4 | pub inner: I, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `assoc_unix_epoch` has been stable since 1.28.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:54 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `atomic_min_max` has been stable since 1.45.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:44 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:216:94 [INFO] [stdout] | [INFO] [stdout] 216 | pub fn forloop<'a, I: Iterator + 'a>(i: I, n: usize, flag: &AtomicUsize, mask: usize) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 216 | pub fn forloop<'a, I: Iterator + 'a>(i: I, n: usize, flag: &AtomicUsize, mask: usize) -> Box + 'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:143:72 [INFO] [stdout] | [INFO] [stdout] 143 | pub fn forloop<'a, I: Iterator + 'a>(&self, i: I, n: usize) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 143 | pub fn forloop<'a, I: Iterator + 'a>(&self, i: I, n: usize) -> Box + 'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `inner` is never read [INFO] [stdout] --> src/iterators.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct NoopIterator { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 4 | pub inner: I, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s [INFO] running `Command { std: "docker" "inspect" "cba24d8a29d98ef08e9c514bb8bc87ee6d4412d4f0769874f6d288fdc2f47d7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cba24d8a29d98ef08e9c514bb8bc87ee6d4412d4f0769874f6d288fdc2f47d7a", kill_on_drop: false }` [INFO] [stdout] cba24d8a29d98ef08e9c514bb8bc87ee6d4412d4f0769874f6d288fdc2f47d7a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 040598b280e62d6eec6150e575da563fa60061e2a7f7167b40d90ef2112f2c1f [INFO] running `Command { std: "docker" "start" "-a" "040598b280e62d6eec6150e575da563fa60061e2a7f7167b40d90ef2112f2c1f", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> build.rs:6:26 [INFO] [stderr] | [INFO] [stderr] 6 | fn write_binop(out: &mut Write, o_trait: &str, o_fn: &str, mut_trait: &str, mut_fn: &str) -> [INFO] [stderr] | ^^^^^ [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 [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 6 | fn write_binop(out: &mut dyn Write, o_trait: &str, o_fn: &str, mut_trait: &str, mut_fn: &str) -> [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> build.rs:68:25 [INFO] [stderr] | [INFO] [stderr] 68 | fn write_unop(out: &mut Write, op_trait: &str, op_fn: &str) -> Result<()> { [INFO] [stderr] | ^^^^^ [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 [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 68 | fn write_unop(out: &mut dyn Write, op_trait: &str, op_fn: &str) -> Result<()> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `mutagen` (build script) generated 2 warnings [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `assoc_unix_epoch` has been stable since 1.28.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:1:54 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `atomic_min_max` has been stable since 1.45.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:1:28 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:1:44 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:216:94 [INFO] [stderr] | [INFO] [stderr] 216 | pub fn forloop<'a, I: Iterator + 'a>(i: I, n: usize, flag: &AtomicUsize, mask: usize) -> Box + 'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 216 | pub fn forloop<'a, I: Iterator + 'a>(i: I, n: usize, flag: &AtomicUsize, mask: usize) -> Box + 'a> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:143:72 [INFO] [stderr] | [INFO] [stderr] 143 | pub fn forloop<'a, I: Iterator + 'a>(&self, i: I, n: usize) -> Box + 'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 143 | pub fn forloop<'a, I: Iterator + 'a>(&self, i: I, n: usize) -> Box + 'a> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: field `inner` is never read [INFO] [stderr] --> src/iterators.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 3 | pub struct NoopIterator { [INFO] [stderr] | ------------ field in this struct [INFO] [stderr] 4 | pub inner: I, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `mutagen` (lib) generated 7 warnings (run `cargo fix --lib -p mutagen` to apply 2 suggestions) [INFO] [stderr] warning: `mutagen` (lib test) generated 7 warnings (7 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mutagen-e7714a6db132f756) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::eq_with_references ... ok [INFO] [stdout] test tests::eq_mutation ... ok [INFO] [stdout] test iterators::tests::test_skip_last_iterator ... ok [INFO] [stdout] test tests::ne_mutation ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stderr] Doc-tests mutagen [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "040598b280e62d6eec6150e575da563fa60061e2a7f7167b40d90ef2112f2c1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "040598b280e62d6eec6150e575da563fa60061e2a7f7167b40d90ef2112f2c1f", kill_on_drop: false }` [INFO] [stdout] 040598b280e62d6eec6150e575da563fa60061e2a7f7167b40d90ef2112f2c1f