[INFO] fetching crate tool 0.2.1... [INFO] testing tool-0.2.1 against try#1b74e096b9bfb06f84a3007193dcd2f059cbdf6a for pr-96025 [INFO] extracting crate tool 0.2.1 into /workspace/builds/worker-87/source [INFO] validating manifest of crates.io crate tool 0.2.1 on toolchain 1b74e096b9bfb06f84a3007193dcd2f059cbdf6a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tool 0.2.1 [INFO] finished tweaking crates.io crate tool 0.2.1 [INFO] tweaked toml for crates.io crate tool 0.2.1 written to /workspace/builds/worker-87/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "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" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dc29e808196bef097f52565ba0b59d3617ce64bc58d5de6dd604c4747389fffe [INFO] running `Command { std: "docker" "start" "-a" "dc29e808196bef097f52565ba0b59d3617ce64bc58d5de6dd604c4747389fffe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dc29e808196bef097f52565ba0b59d3617ce64bc58d5de6dd604c4747389fffe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc29e808196bef097f52565ba0b59d3617ce64bc58d5de6dd604c4747389fffe", kill_on_drop: false }` [INFO] [stdout] dc29e808196bef097f52565ba0b59d3617ce64bc58d5de6dd604c4747389fffe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] facb7305c010b73d3d2787c6e51c9620d6d09da44031ecb2611d6b0874afe996 [INFO] running `Command { std: "docker" "start" "-a" "facb7305c010b73d3d2787c6e51c9620d6d09da44031ecb2611d6b0874afe996", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling tool v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/functor.rs:51:18 [INFO] [stdout] | [INFO] [stdout] 51 | where F: Fn(&Fn(A)-> B, A) -> B [INFO] [stdout] | ^^^^^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 51 - where F: Fn(&Fn(A)-> B, A) -> B [INFO] [stdout] 51 + where F: Fn(&dyn Fn(A)-> B, A) -> B [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/functor.rs:59:44 [INFO] [stdout] | [INFO] [stdout] 59 | fun_holder = Cell::new(&tmp_fn as &Fn(A) -> B); [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 59 - fun_holder = Cell::new(&tmp_fn as &Fn(A) -> B); [INFO] [stdout] 59 + fun_holder = Cell::new(&tmp_fn as &dyn Fn(A) -> B); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/functor.rs:61:33 [INFO] [stdout] | [INFO] [stdout] 61 | fun_holder.set(&fun as &Fn(A) -> B); [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 61 - fun_holder.set(&fun as &Fn(A) -> B); [INFO] [stdout] 61 + fun_holder.set(&fun as &dyn Fn(A) -> B); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.73s [INFO] running `Command { std: "docker" "inspect" "facb7305c010b73d3d2787c6e51c9620d6d09da44031ecb2611d6b0874afe996", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "facb7305c010b73d3d2787c6e51c9620d6d09da44031ecb2611d6b0874afe996", kill_on_drop: false }` [INFO] [stdout] facb7305c010b73d3d2787c6e51c9620d6d09da44031ecb2611d6b0874afe996 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e16503c3a7ab80e222aa5100ed87a90c4fe68ef53aab28d58692fbc9fcf2d19 [INFO] running `Command { std: "docker" "start" "-a" "3e16503c3a7ab80e222aa5100ed87a90c4fe68ef53aab28d58692fbc9fcf2d19", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/functor.rs:51:18 [INFO] [stdout] | [INFO] [stdout] 51 | where F: Fn(&Fn(A)-> B, A) -> B [INFO] [stdout] | ^^^^^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 51 - where F: Fn(&Fn(A)-> B, A) -> B [INFO] [stdout] 51 + where F: Fn(&dyn Fn(A)-> B, A) -> B [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tool v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/functor.rs:59:44 [INFO] [stdout] | [INFO] [stdout] 59 | fun_holder = Cell::new(&tmp_fn as &Fn(A) -> B); [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 59 - fun_holder = Cell::new(&tmp_fn as &Fn(A) -> B); [INFO] [stdout] 59 + fun_holder = Cell::new(&tmp_fn as &dyn Fn(A) -> B); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/functor.rs:61:33 [INFO] [stdout] | [INFO] [stdout] 61 | fun_holder.set(&fun as &Fn(A) -> B); [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 61 - fun_holder.set(&fun as &Fn(A) -> B); [INFO] [stdout] 61 + fun_holder.set(&fun as &dyn Fn(A) -> B); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/functor.rs:51:18 [INFO] [stdout] | [INFO] [stdout] 51 | where F: Fn(&Fn(A)-> B, A) -> B [INFO] [stdout] | ^^^^^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 51 - where F: Fn(&Fn(A)-> B, A) -> B [INFO] [stdout] 51 + where F: Fn(&dyn Fn(A)-> B, A) -> B [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/functor.rs:59:44 [INFO] [stdout] | [INFO] [stdout] 59 | fun_holder = Cell::new(&tmp_fn as &Fn(A) -> B); [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 59 - fun_holder = Cell::new(&tmp_fn as &Fn(A) -> B); [INFO] [stdout] 59 + fun_holder = Cell::new(&tmp_fn as &dyn Fn(A) -> B); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/functor.rs:61:33 [INFO] [stdout] | [INFO] [stdout] 61 | fun_holder.set(&fun as &Fn(A) -> B); [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 61 - fun_holder.set(&fun as &Fn(A) -> B); [INFO] [stdout] 61 + fun_holder.set(&fun as &dyn Fn(A) -> B); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.98s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/tool-cb671a4f52f4476d) [INFO] [stderr] Executable tests/functor.rs (/opt/rustwide/target/debug/deps/functor-70dd3cdf6af952b1) [INFO] [stderr] Executable tests/sequence.rs (/opt/rustwide/target/debug/deps/sequence-7566001c7e7bb0aa) [INFO] running `Command { std: "docker" "inspect" "3e16503c3a7ab80e222aa5100ed87a90c4fe68ef53aab28d58692fbc9fcf2d19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e16503c3a7ab80e222aa5100ed87a90c4fe68ef53aab28d58692fbc9fcf2d19", kill_on_drop: false }` [INFO] [stdout] 3e16503c3a7ab80e222aa5100ed87a90c4fe68ef53aab28d58692fbc9fcf2d19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 336e69dbb694cc83ad2760de3636f3dea0032b7308397c0b34b14643e862e338 [INFO] running `Command { std: "docker" "start" "-a" "336e69dbb694cc83ad2760de3636f3dea0032b7308397c0b34b14643e862e338", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/functor.rs:51:18 [INFO] [stderr] | [INFO] [stderr] 51 | where F: Fn(&Fn(A)-> B, A) -> B [INFO] [stderr] | ^^^^^^^^^ [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] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 51 - where F: Fn(&Fn(A)-> B, A) -> B [INFO] [stderr] 51 + where F: Fn(&dyn Fn(A)-> B, A) -> B [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/functor.rs:59:44 [INFO] [stderr] | [INFO] [stderr] 59 | fun_holder = Cell::new(&tmp_fn as &Fn(A) -> B); [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: use `dyn` [INFO] [stderr] | [INFO] [stderr] 59 - fun_holder = Cell::new(&tmp_fn as &Fn(A) -> B); [INFO] [stderr] 59 + fun_holder = Cell::new(&tmp_fn as &dyn Fn(A) -> B); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/functor.rs:61:33 [INFO] [stderr] | [INFO] [stderr] 61 | fun_holder.set(&fun as &Fn(A) -> B); [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: use `dyn` [INFO] [stderr] | [INFO] [stderr] 61 - fun_holder.set(&fun as &Fn(A) -> B); [INFO] [stderr] 61 + fun_holder.set(&fun as &dyn Fn(A) -> B); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `tool` (lib) generated 3 warnings [INFO] [stderr] warning: `tool` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tool-cb671a4f52f4476d) [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/functor.rs (/opt/rustwide/target/debug/deps/functor-70dd3cdf6af952b1) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test test_compose ... ok [INFO] [stdout] test test_fix ... ok [INFO] [stdout] test test_flip ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/sequence.rs (/opt/rustwide/target/debug/deps/sequence-7566001c7e7bb0aa) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test test_double_ref ... ok [INFO] [stdout] test test_index ... ok [INFO] [stdout] test test_uncons ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests tool [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/monad.rs - monad::ok (line 27) ... ok [INFO] [stdout] test src/empty.rs - empty::non_empty (line 27) ... ok [INFO] [stdout] test src/functor.rs - functor::fix (line 37) ... ok [INFO] [stdout] test src/monad.rs - monad::unwrap (line 38) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "336e69dbb694cc83ad2760de3636f3dea0032b7308397c0b34b14643e862e338", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "336e69dbb694cc83ad2760de3636f3dea0032b7308397c0b34b14643e862e338", kill_on_drop: false }` [INFO] [stdout] 336e69dbb694cc83ad2760de3636f3dea0032b7308397c0b34b14643e862e338