[INFO] cloning repository https://github.com/mishajw/taneja [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mishajw/taneja" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmishajw%2Ftaneja", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmishajw%2Ftaneja'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5835e400a85b9576b4887f7d40187e2e53718161 [INFO] testing mishajw/taneja against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmishajw%2Ftaneja" "/workspace/builds/worker-19/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mishajw/taneja on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mishajw/taneja [INFO] finished tweaking git repo https://github.com/mishajw/taneja [INFO] tweaked toml for git repo https://github.com/mishajw/taneja written to /workspace/builds/worker-19/source/Cargo.toml [INFO] crate git repo https://github.com/mishajw/taneja already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8d426f193223b56e15b40e70958bad449727e419bf003da743755d53a27e90bc [INFO] running `Command { std: "docker" "start" "-a" "8d426f193223b56e15b40e70958bad449727e419bf003da743755d53a27e90bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8d426f193223b56e15b40e70958bad449727e419bf003da743755d53a27e90bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d426f193223b56e15b40e70958bad449727e419bf003da743755d53a27e90bc", kill_on_drop: false }` [INFO] [stdout] 8d426f193223b56e15b40e70958bad449727e419bf003da743755d53a27e90bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 785a23b896469660a76ca358604f6616dd0719c6c79ca6bd5d0f7a16ed8c20fc [INFO] running `Command { std: "docker" "start" "-a" "785a23b896469660a76ca358604f6616dd0719c6c79ca6bd5d0f7a16ed8c20fc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.22 [INFO] [stderr] Compiling vec_map v0.7.0 [INFO] [stderr] Compiling unicode-segmentation v1.1.0 [INFO] [stderr] Compiling atty v0.2.2 [INFO] [stderr] Compiling term_size v0.3.0 [INFO] [stderr] Compiling clap v2.24.0 [INFO] [stderr] Compiling taneja v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/number.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | fn add(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/number.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | fn subtract(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/number.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | fn multiply(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/number.rs:5:22 [INFO] [stdout] | [INFO] [stdout] 5 | fn divide(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/number.rs:6:21 [INFO] [stdout] | [INFO] [stdout] 6 | fn power(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/number.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | fn concat(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/possible_expressions.rs:3:87 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn make_possible_expressions(mut es: Vec>, callback: &mut FnMut(Expression)) { [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] 3 - pub fn make_possible_expressions(mut es: Vec>, callback: &mut FnMut(Expression)) { [INFO] [stdout] 3 + pub fn make_possible_expressions(mut es: Vec>, callback: &mut dyn FnMut(Expression)) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.54s [INFO] running `Command { std: "docker" "inspect" "785a23b896469660a76ca358604f6616dd0719c6c79ca6bd5d0f7a16ed8c20fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "785a23b896469660a76ca358604f6616dd0719c6c79ca6bd5d0f7a16ed8c20fc", kill_on_drop: false }` [INFO] [stdout] 785a23b896469660a76ca358604f6616dd0719c6c79ca6bd5d0f7a16ed8c20fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0238812a562aae6a875e88e5b830189b3c0300b2c6163e3758e25085ecf67436 [INFO] running `Command { std: "docker" "start" "-a" "0238812a562aae6a875e88e5b830189b3c0300b2c6163e3758e25085ecf67436", kill_on_drop: false }` [INFO] [stderr] Compiling taneja v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/number.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | fn add(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/number.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | fn subtract(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/number.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | fn multiply(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/number.rs:5:22 [INFO] [stdout] | [INFO] [stdout] 5 | fn divide(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/number.rs:6:21 [INFO] [stdout] | [INFO] [stdout] 6 | fn power(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/number.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | fn concat(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/possible_expressions.rs:3:87 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn make_possible_expressions(mut es: Vec>, callback: &mut FnMut(Expression)) { [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] 3 - pub fn make_possible_expressions(mut es: Vec>, callback: &mut FnMut(Expression)) { [INFO] [stdout] 3 + pub fn make_possible_expressions(mut es: Vec>, callback: &mut dyn FnMut(Expression)) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.68s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/taneja-e5de7501033c1880) [INFO] running `Command { std: "docker" "inspect" "0238812a562aae6a875e88e5b830189b3c0300b2c6163e3758e25085ecf67436", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0238812a562aae6a875e88e5b830189b3c0300b2c6163e3758e25085ecf67436", kill_on_drop: false }` [INFO] [stdout] 0238812a562aae6a875e88e5b830189b3c0300b2c6163e3758e25085ecf67436 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6afa673049d84ec357929ab9b87c32c91b940d53c49057dffd225e32167d77ab [INFO] running `Command { std: "docker" "start" "-a" "6afa673049d84ec357929ab9b87c32c91b940d53c49057dffd225e32167d77ab", kill_on_drop: false }` [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/number.rs:2:19 [INFO] [stderr] | [INFO] [stderr] 2 | fn add(&self, &Self) -> Option; [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/number.rs:3:24 [INFO] [stderr] | [INFO] [stderr] 3 | fn subtract(&self, &Self) -> Option; [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/number.rs:4:24 [INFO] [stderr] | [INFO] [stderr] 4 | fn multiply(&self, &Self) -> Option; [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/number.rs:5:22 [INFO] [stderr] | [INFO] [stderr] 5 | fn divide(&self, &Self) -> Option; [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/number.rs:6:21 [INFO] [stderr] | [INFO] [stderr] 6 | fn power(&self, &Self) -> Option; [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 0 tests [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/number.rs:7:22 [INFO] [stderr] | [INFO] [stderr] 7 | fn concat(&self, &Self) -> Option; [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/possible_expressions.rs:3:87 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn make_possible_expressions(mut es: Vec>, callback: &mut FnMut(Expression)) { [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] 3 - pub fn make_possible_expressions(mut es: Vec>, callback: &mut FnMut(Expression)) { [INFO] [stderr] 3 + pub fn make_possible_expressions(mut es: Vec>, callback: &mut dyn FnMut(Expression)) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `taneja` (bin "taneja" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/taneja-e5de7501033c1880) [INFO] running `Command { std: "docker" "inspect" "6afa673049d84ec357929ab9b87c32c91b940d53c49057dffd225e32167d77ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6afa673049d84ec357929ab9b87c32c91b940d53c49057dffd225e32167d77ab", kill_on_drop: false }` [INFO] [stdout] 6afa673049d84ec357929ab9b87c32c91b940d53c49057dffd225e32167d77ab