[INFO] cloning repository https://github.com/rustkas/programmistov_rust_1_26 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rustkas/programmistov_rust_1_26" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustkas%2Fprogrammistov_rust_1_26", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustkas%2Fprogrammistov_rust_1_26'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b279716b8a3aff088a047a8fc0673d4b0af6930a [INFO] checking rustkas/programmistov_rust_1_26 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustkas%2Fprogrammistov_rust_1_26" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rustkas/programmistov_rust_1_26 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rustkas/programmistov_rust_1_26 [INFO] finished tweaking git repo https://github.com/rustkas/programmistov_rust_1_26 [INFO] tweaked toml for git repo https://github.com/rustkas/programmistov_rust_1_26 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/rustkas/programmistov_rust_1_26 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 544ea2865bb4bf9089aa36d8c1c08dc0eefde5a5a86e138db9d55ae2ef855218 [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" "544ea2865bb4bf9089aa36d8c1c08dc0eefde5a5a86e138db9d55ae2ef855218", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "544ea2865bb4bf9089aa36d8c1c08dc0eefde5a5a86e138db9d55ae2ef855218", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "544ea2865bb4bf9089aa36d8c1c08dc0eefde5a5a86e138db9d55ae2ef855218", kill_on_drop: false }` [INFO] [stdout] 544ea2865bb4bf9089aa36d8c1c08dc0eefde5a5a86e138db9d55ae2ef855218 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6885694480ab2923e51fe168656e79f4415c18f3f4f9e4817e74d2565a86820d [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" "6885694480ab2923e51fe168656e79f4415c18f3f4f9e4817e74d2565a86820d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking impl_trait v0.1.0 (/opt/rustwide/workdir/impl_trait) [INFO] [stdout] warning: the feature `impl_trait_in_bindings` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> impl_trait/tests/example2.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(impl_trait_in_bindings)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #63065 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> impl_trait/tests/example2.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 26 | fn foo() -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Trait` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> impl_trait/tests/example2.rs:27:28 [INFO] [stdout] | [INFO] [stdout] 27 | Box::new(5) as Box [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Trait` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> impl_trait/tests/main_enhancements1.rs:43:13 [INFO] [stdout] | [INFO] [stdout] 43 | let f = File::open("bar.txt")?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `impl_trait_in_bindings` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> impl_trait/tests/iterator1.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(impl_trait_in_bindings)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #63065 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> impl_trait/tests/iterator1.rs:55:27 [INFO] [stdout] | [INFO] [stdout] 55 | fn foo(x: i32) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> impl_trait/tests/iterator1.rs:64:21 [INFO] [stdout] | [INFO] [stdout] 64 | let value1: Box> = foo(2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> impl_trait/tests/iterator1.rs:65:21 [INFO] [stdout] | [INFO] [stdout] 65 | let value2: Box> = foo(3); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `impl_trait_in_bindings` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> impl_trait/tests/example1.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(impl_trait_in_bindings)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #63065 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> impl_trait/tests/main_enhancements1.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | fn main() -> Result<(), std::io::Error> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `impl_trait_in_bindings` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> impl_trait/tests/fn_argument.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(impl_trait_in_bindings)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #63065 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `impl_trait_in_bindings` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> impl_trait/tests/closure1.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(impl_trait_in_bindings)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #63065 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> impl_trait/tests/closure1.rs:10:21 [INFO] [stdout] | [INFO] [stdout] 10 | fn foo() -> Box i32> { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32) -> i32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> impl_trait/tests/iterator1.rs:9:20 [INFO] [stdout] | [INFO] [stdout] 9 | println!("{}", unsafe { std::intrinsics::type_name::() }); [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.41s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6885694480ab2923e51fe168656e79f4415c18f3f4f9e4817e74d2565a86820d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6885694480ab2923e51fe168656e79f4415c18f3f4f9e4817e74d2565a86820d", kill_on_drop: false }` [INFO] [stdout] 6885694480ab2923e51fe168656e79f4415c18f3f4f9e4817e74d2565a86820d