[INFO] fetching crate mutagen 0.1.2... [INFO] testing mutagen-0.1.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate mutagen 0.1.2 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate mutagen 0.1.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] db71d7c12de350f8fbce58587a1e5ca19aed34963807e1763d788edb1b11f3b3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "db71d7c12de350f8fbce58587a1e5ca19aed34963807e1763d788edb1b11f3b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db71d7c12de350f8fbce58587a1e5ca19aed34963807e1763d788edb1b11f3b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db71d7c12de350f8fbce58587a1e5ca19aed34963807e1763d788edb1b11f3b3", kill_on_drop: false }` [INFO] [stdout] db71d7c12de350f8fbce58587a1e5ca19aed34963807e1763d788edb1b11f3b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fd187d1aa818ee1a705f10ef5db23fcb5622c98dd23b584ac0d3fa08a32b0075 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fd187d1aa818ee1a705f10ef5db23fcb5622c98dd23b584ac0d3fa08a32b0075", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [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] | ^^^^^ help: use `dyn`: `dyn Write` [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] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [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: `#[warn(incomplete_features)]` on by default [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] [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [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] [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 `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: 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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.71s [INFO] running `Command { std: "docker" "inspect" "fd187d1aa818ee1a705f10ef5db23fcb5622c98dd23b584ac0d3fa08a32b0075", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd187d1aa818ee1a705f10ef5db23fcb5622c98dd23b584ac0d3fa08a32b0075", kill_on_drop: false }` [INFO] [stdout] fd187d1aa818ee1a705f10ef5db23fcb5622c98dd23b584ac0d3fa08a32b0075 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dc4747da4950b9472c1b56b804457e7dddc7ae75cd2689603bc7dd121d0ca5a2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "dc4747da4950b9472c1b56b804457e7dddc7ae75cd2689603bc7dd121d0ca5a2", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [INFO] [stdout] [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:68:25 [INFO] [stdout] | [INFO] [stdout] 68 | fn write_unop(out: &mut Write, op_trait: &str, op_fn: &str) -> Result<()> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [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] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [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: `#[warn(incomplete_features)]` on by default [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] [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [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] [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 `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: 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: 6 warnings emitted [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: `#[warn(incomplete_features)]` on by default [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] [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [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] [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 `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: 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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.08s [INFO] running `Command { std: "docker" "inspect" "dc4747da4950b9472c1b56b804457e7dddc7ae75cd2689603bc7dd121d0ca5a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc4747da4950b9472c1b56b804457e7dddc7ae75cd2689603bc7dd121d0ca5a2", kill_on_drop: false }` [INFO] [stdout] dc4747da4950b9472c1b56b804457e7dddc7ae75cd2689603bc7dd121d0ca5a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 17191530ba56dffbe1437998d985fbe8cdc44f0fe1524ac6ae2350a451e24151 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "17191530ba56dffbe1437998d985fbe8cdc44f0fe1524ac6ae2350a451e24151", kill_on_drop: false }` [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] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [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] [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] | ^^^^^ help: use `dyn`: `dyn Write` [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] [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: `#[warn(incomplete_features)]` on by default [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] [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [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] [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [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] [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 `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: 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: `mutagen` (lib) generated 6 warnings [INFO] [stderr] warning: `mutagen` (lib test) generated 6 warnings (6 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mutagen-9109ce03bb0327c6) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::eq_mutation ... ok [INFO] [stdout] test tests::eq_with_references ... ok [INFO] [stdout] test tests::ne_mutation ... ok [INFO] [stdout] test iterators::tests::test_skip_last_iterator ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [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] --> /opt/rustwide/workdir/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: `#[warn(incomplete_features)]` on by default [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] [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" "17191530ba56dffbe1437998d985fbe8cdc44f0fe1524ac6ae2350a451e24151", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17191530ba56dffbe1437998d985fbe8cdc44f0fe1524ac6ae2350a451e24151", kill_on_drop: false }` [INFO] [stdout] 17191530ba56dffbe1437998d985fbe8cdc44f0fe1524ac6ae2350a451e24151