[INFO] fetching crate rust-reduce 0.1.0... [INFO] testing rust-reduce-0.1.0 against 1.90.0 for beta-1.91-3 [INFO] extracting crate rust-reduce 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate rust-reduce 0.1.0 [INFO] finished tweaking crates.io crate rust-reduce 0.1.0 [INFO] tweaked toml for crates.io crate rust-reduce 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rust-reduce 0.1.0 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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 25 packages to latest compatible versions [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.48) [INFO] [stderr] Adding quote v0.6.13 (available: v1.0.41) [INFO] [stderr] Adding syn v0.15.44 (available: v2.0.106) [INFO] [stderr] Adding syn-inline-mod v0.2.0 (available: v0.6.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn-inline-mod v0.2.0 [INFO] [stderr] Downloaded unicode-xid v0.1.0 [INFO] [stderr] Downloaded quote v0.6.13 [INFO] [stderr] Downloaded proc-macro2 v0.4.30 [INFO] [stderr] Downloaded syn v0.15.44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c99f061e010a2e35b227ed9df224f937ef4a0cbbf0712c017e35cb1dec64b847 [INFO] running `Command { std: "docker" "start" "-a" "c99f061e010a2e35b227ed9df224f937ef4a0cbbf0712c017e35cb1dec64b847", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c99f061e010a2e35b227ed9df224f937ef4a0cbbf0712c017e35cb1dec64b847", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c99f061e010a2e35b227ed9df224f937ef4a0cbbf0712c017e35cb1dec64b847", kill_on_drop: false }` [INFO] [stdout] c99f061e010a2e35b227ed9df224f937ef4a0cbbf0712c017e35cb1dec64b847 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 66557a365be06dbd84fa09f40affffaa769c35d873857714d598518f9a5c8837 [INFO] running `Command { std: "docker" "start" "-a" "66557a365be06dbd84fa09f40affffaa769c35d873857714d598518f9a5c8837", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling rustix v1.1.2 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling unicode-width v0.1.14 [INFO] [stderr] Compiling linux-raw-sys v0.11.0 [INFO] [stderr] Compiling cfg-if v1.0.3 [INFO] [stderr] Compiling bitflags v2.9.4 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling fastrand v2.3.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling tempfile v3.23.0 [INFO] [stderr] Compiling syn-inline-mod v0.2.0 [INFO] [stderr] Compiling rust-reduce v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/output.rs:25:43 [INFO] [stdout] | [INFO] [stdout] 25 | constructor: fn(PathBuf, bool) -> Box, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 25 | constructor: fn(PathBuf, bool) -> Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/output.rs:26:23 [INFO] [stdout] | [INFO] [stdout] 26 | inner: Option>, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 26 | inner: Option>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/output.rs:59:53 [INFO] [stdout] | [INFO] [stdout] 59 | fn new(file: PathBuf, need_backup: bool) -> Box { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 59 | fn new(file: PathBuf, need_backup: bool) -> Box { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/output.rs:49:53 [INFO] [stdout] | [INFO] [stdout] 49 | fn new(path: PathBuf, need_backup: bool) -> Box where Self: Sized; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 49 | fn new(path: PathBuf, need_backup: bool) -> Box where Self: Sized; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/output.rs:94:53 [INFO] [stdout] | [INFO] [stdout] 94 | fn new(file: PathBuf, need_backup: bool) -> Box { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 94 | fn new(file: PathBuf, need_backup: bool) -> Box { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/output.rs:160:56 [INFO] [stdout] | [INFO] [stdout] 160 | Box::new(std::io::stdout()) as Box [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 160 | Box::new(std::io::stdout()) as Box [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/transforms/clear_blocks.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | mem::replace(i, backup); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 65 | let _ = mem::replace(i, backup); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.33s [INFO] running `Command { std: "docker" "inspect" "66557a365be06dbd84fa09f40affffaa769c35d873857714d598518f9a5c8837", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66557a365be06dbd84fa09f40affffaa769c35d873857714d598518f9a5c8837", kill_on_drop: false }` [INFO] [stdout] 66557a365be06dbd84fa09f40affffaa769c35d873857714d598518f9a5c8837 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 49c2a38b24f95708ff27dc82a753dc2ea3a72377b718cad8737efcc9e8c7f8ce [INFO] running `Command { std: "docker" "start" "-a" "49c2a38b24f95708ff27dc82a753dc2ea3a72377b718cad8737efcc9e8c7f8ce", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/output.rs:25:43 [INFO] [stdout] | [INFO] [stdout] 25 | constructor: fn(PathBuf, bool) -> Box, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 25 | constructor: fn(PathBuf, bool) -> Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/output.rs:26:23 [INFO] [stdout] | [INFO] [stdout] 26 | inner: Option>, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 26 | inner: Option>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/output.rs:59:53 [INFO] [stdout] | [INFO] [stdout] 59 | fn new(file: PathBuf, need_backup: bool) -> Box { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 59 | fn new(file: PathBuf, need_backup: bool) -> Box { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/output.rs:49:53 [INFO] [stdout] | [INFO] [stdout] 49 | fn new(path: PathBuf, need_backup: bool) -> Box where Self: Sized; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 49 | fn new(path: PathBuf, need_backup: bool) -> Box where Self: Sized; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rust-reduce v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/output.rs:94:53 [INFO] [stdout] | [INFO] [stdout] 94 | fn new(file: PathBuf, need_backup: bool) -> Box { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 94 | fn new(file: PathBuf, need_backup: bool) -> Box { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/output.rs:160:56 [INFO] [stdout] | [INFO] [stdout] 160 | Box::new(std::io::stdout()) as Box [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 160 | Box::new(std::io::stdout()) as Box [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/transforms/clear_blocks.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | mem::replace(i, backup); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 65 | let _ = mem::replace(i, backup); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/output.rs:25:43 [INFO] [stdout] | [INFO] [stdout] 25 | constructor: fn(PathBuf, bool) -> Box, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 25 | constructor: fn(PathBuf, bool) -> Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/output.rs:26:23 [INFO] [stdout] | [INFO] [stdout] 26 | inner: Option>, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 26 | inner: Option>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/output.rs:59:53 [INFO] [stdout] | [INFO] [stdout] 59 | fn new(file: PathBuf, need_backup: bool) -> Box { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 59 | fn new(file: PathBuf, need_backup: bool) -> Box { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/output.rs:49:53 [INFO] [stdout] | [INFO] [stdout] 49 | fn new(path: PathBuf, need_backup: bool) -> Box where Self: Sized; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 49 | fn new(path: PathBuf, need_backup: bool) -> Box where Self: Sized; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/output.rs:94:53 [INFO] [stdout] | [INFO] [stdout] 94 | fn new(file: PathBuf, need_backup: bool) -> Box { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 94 | fn new(file: PathBuf, need_backup: bool) -> Box { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/output.rs:160:56 [INFO] [stdout] | [INFO] [stdout] 160 | Box::new(std::io::stdout()) as Box [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 160 | Box::new(std::io::stdout()) as Box [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/transforms/clear_blocks.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | mem::replace(i, backup); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 65 | let _ = mem::replace(i, backup); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `Command { std: "docker" "inspect" "49c2a38b24f95708ff27dc82a753dc2ea3a72377b718cad8737efcc9e8c7f8ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49c2a38b24f95708ff27dc82a753dc2ea3a72377b718cad8737efcc9e8c7f8ce", kill_on_drop: false }` [INFO] [stdout] 49c2a38b24f95708ff27dc82a753dc2ea3a72377b718cad8737efcc9e8c7f8ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 62fc2d18b2ae55377ae9f3673516c38cdb3e2e251037cc17a21958bdf3b64426 [INFO] running `Command { std: "docker" "start" "-a" "62fc2d18b2ae55377ae9f3673516c38cdb3e2e251037cc17a21958bdf3b64426", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/output.rs:25:43 [INFO] [stderr] | [INFO] [stderr] 25 | constructor: fn(PathBuf, bool) -> Box, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 25 | constructor: fn(PathBuf, bool) -> Box, [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/output.rs:26:23 [INFO] [stderr] | [INFO] [stderr] 26 | inner: Option>, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) 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] 26 | inner: Option>, [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/output.rs:59:53 [INFO] [stderr] | [INFO] [stderr] 59 | fn new(file: PathBuf, need_backup: bool) -> Box { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) 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] 59 | fn new(file: PathBuf, need_backup: bool) -> Box { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/output.rs:49:53 [INFO] [stderr] | [INFO] [stderr] 49 | fn new(path: PathBuf, need_backup: bool) -> Box where Self: Sized; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) 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] 49 | fn new(path: PathBuf, need_backup: bool) -> Box where Self: Sized; [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/output.rs:94:53 [INFO] [stderr] | [INFO] [stderr] 94 | fn new(file: PathBuf, need_backup: bool) -> Box { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) 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] 94 | fn new(file: PathBuf, need_backup: bool) -> Box { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/output.rs:160:56 [INFO] [stderr] | [INFO] [stderr] 160 | Box::new(std::io::stdout()) as Box [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) 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] 160 | Box::new(std::io::stdout()) as Box [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/transforms/clear_blocks.rs:65:5 [INFO] [stderr] | [INFO] [stderr] 65 | mem::replace(i, backup); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 65 | let _ = mem::replace(i, backup); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `rust-reduce` (bin "rust-reduce") generated 7 warnings (run `cargo fix --bin "rust-reduce"` to apply 6 suggestions) [INFO] [stderr] warning: `rust-reduce` (bin "rust-reduce" test) generated 7 warnings (7 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_reduce-89a991bc93bccf9b) [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] [stderr] Running tests/suite/main.rs (/opt/rustwide/target/debug/deps/suite-147e9bc24222297d) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] error: test failed, to rerun pass `--test suite` [INFO] [stdout] test futures_core ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- futures_core stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'futures_core' panicked at tests/suite/main.rs:36:5: [INFO] [stdout] assertion `left == right` failed [INFO] [stdout] left: "" [INFO] [stdout] right: "#![cfg_attr(feature = \"cfg-target-has-atomic\", feature(cfg_target_has_atomic))]\n#![cfg_attr(not(feature = \"std\"), no_std)]\n#![warn(\n missing_docs,\n missing_debug_implementations,\n rust_2018_idioms,\n unreachable_pub\n)]\n#![warn(clippy::all)]\npub mod future {\n mod future_obj {\n unsafe impl<'a, T, F> UnsafeFutureObj<'a, T> for &'a mut F\n where\n F: Future + Unpin + 'a,\n {\n fn into_raw(self) -> *mut (Future + 'a) {\n unimplemented!()\n }\n }\n }\n}\n" [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5e07f5e64e52 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5e07f5e64e52 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5e07f5e64e52 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5e07f5e64e52 - ::fmt::hdcfcb6d4c8489523 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5e07f5e8a533 - core::fmt::rt::Argument::fmt::h2c56b3114963061a [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5e07f5e8a533 - core::fmt::write::h8a494366950f23bb [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5e07f5e61a43 - std::io::default_write_fmt::h7b8824096454f323 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5e07f5e61a43 - std::io::Write::write_fmt::h4e71294925c334d0 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5e07f5e64ca2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5e07f5e663d9 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27 [INFO] [stdout] 10: 0x5e07f5e6620e - std::panicking::default_hook::h2c66fc99e962531d [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9 [INFO] [stdout] 11: 0x5e07f5e2dce4 - as core::ops::function::Fn>::call::hb6bd65493727d71a [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 12: 0x5e07f5e2dce4 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5e07f5e66eae - as core::ops::function::Fn>::call::h318e4efb8c1a5689 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 14: 0x5e07f5e66eae - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13 [INFO] [stdout] 15: 0x5e07f5e66b7a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13 [INFO] [stdout] 16: 0x5e07f5e65359 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x5e07f5e6680d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5 [INFO] [stdout] 18: 0x5e07f5e89050 - core::panicking::panic_fmt::h62f63d096dd276af [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x5e07f5e892d7 - core::panicking::assert_failed_inner::h102b4539a88470c2 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:448:17 [INFO] [stdout] 20: 0x5e07f5df0af7 - core::panicking::assert_failed::h7ffba715437ac2dc [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:403:5 [INFO] [stdout] 21: 0x5e07f5df4442 - suite::run_test::h28af0fabc54a4435 [INFO] [stdout] at /opt/rustwide/workdir/tests/suite/main.rs:36:5 [INFO] [stdout] 22: 0x5e07f5df4762 - suite::futures_core::h25475996e1337ca6 [INFO] [stdout] at /opt/rustwide/workdir/tests/suite/main.rs:44:17 [INFO] [stdout] 23: 0x5e07f5df4737 - suite::futures_core::{{closure}}::h078e4da1078ea7b7 [INFO] [stdout] at /opt/rustwide/workdir/tests/suite/main.rs:43:20 [INFO] [stdout] 24: 0x5e07f5def066 - core::ops::function::FnOnce::call_once::h0d26e14b3df6cd5e [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 25: 0x5e07f5e3354b - core::ops::function::FnOnce::call_once::h1f9474f1347fff52 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 26: 0x5e07f5e3354b - test::__rust_begin_short_backtrace::ha52ab26e77157f03 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18 [INFO] [stdout] 27: 0x5e07f5e32685 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74 [INFO] [stdout] 28: 0x5e07f5e32685 - as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 29: 0x5e07f5e32685 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40 [INFO] [stdout] 30: 0x5e07f5e32685 - std::panicking::catch_unwind::h6deb5fe1e91873c9 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19 [INFO] [stdout] 31: 0x5e07f5e32685 - std::panic::catch_unwind::hea0829b6b565654b [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x5e07f5e32685 - test::run_test_in_process::hdc44dfecea3db21b [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27 [INFO] [stdout] 33: 0x5e07f5e32685 - test::run_test::{{closure}}::h0364ba59bf23f652 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43 [INFO] [stdout] 34: 0x5e07f5df6284 - test::run_test::{{closure}}::h32730b304eec05da [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41 [INFO] [stdout] 35: 0x5e07f5df6284 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 36: 0x5e07f5df9c5a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 37: 0x5e07f5df9c5a - as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 38: 0x5e07f5df9c5a - std::panicking::catch_unwind::do_call::h163fe12cca9901c2 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40 [INFO] [stdout] 39: 0x5e07f5df9c5a - std::panicking::catch_unwind::he81557d0e17cc1bc [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19 [INFO] [stdout] 40: 0x5e07f5df9c5a - std::panic::catch_unwind::hc2b8e79c20593955 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14 [INFO] [stdout] 41: 0x5e07f5df9c5a - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 42: 0x5e07f5df9c5a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 43: 0x5e07f5e69e2f - as core::ops::function::FnOnce>::call_once::h5924238c754de3b8 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9 [INFO] [stdout] 44: 0x5e07f5e69e2f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17 [INFO] [stdout] 45: 0x777175754aa4 - [INFO] [stdout] 46: 0x7771757e1a34 - clone [INFO] [stdout] 47: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] futures_core [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 12.51s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "62fc2d18b2ae55377ae9f3673516c38cdb3e2e251037cc17a21958bdf3b64426", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62fc2d18b2ae55377ae9f3673516c38cdb3e2e251037cc17a21958bdf3b64426", kill_on_drop: false }` [INFO] [stdout] 62fc2d18b2ae55377ae9f3673516c38cdb3e2e251037cc17a21958bdf3b64426