[INFO] cloning repository https://github.com/jgoodesign/rust-fun [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jgoodesign/rust-fun" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgoodesign%2Frust-fun", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgoodesign%2Frust-fun'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] eb50091fd23129865a1aef7c79cd55ec073ac9bd [INFO] testing jgoodesign/rust-fun against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgoodesign%2Frust-fun" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jgoodesign/rust-fun on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jgoodesign/rust-fun [INFO] finished tweaking git repo https://github.com/jgoodesign/rust-fun [INFO] tweaked toml for git repo https://github.com/jgoodesign/rust-fun written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/jgoodesign/rust-fun already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] 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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 798d2ace5d8b3e4a862cd0d04eb18bf60e6eec89479e17f4b04bebdabad1a0f7 [INFO] running `Command { std: "docker" "start" "-a" "798d2ace5d8b3e4a862cd0d04eb18bf60e6eec89479e17f4b04bebdabad1a0f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "798d2ace5d8b3e4a862cd0d04eb18bf60e6eec89479e17f4b04bebdabad1a0f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "798d2ace5d8b3e4a862cd0d04eb18bf60e6eec89479e17f4b04bebdabad1a0f7", kill_on_drop: false }` [INFO] [stdout] 798d2ace5d8b3e4a862cd0d04eb18bf60e6eec89479e17f4b04bebdabad1a0f7 [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=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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 975a06561bab7a83db61834b2e870ea282eec9c6a0968e2e5255a6e8892c097c [INFO] running `Command { std: "docker" "start" "-a" "975a06561bab7a83db61834b2e870ea282eec9c6a0968e2e5255a6e8892c097c", kill_on_drop: false }` [INFO] [stderr] Compiling learning v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:11:23 [INFO] [stdout] | [INFO] [stdout] 11 | reducers: Vec<&'a Fn(Action, T) -> T>, [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 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 11 - reducers: Vec<&'a Fn(Action, T) -> T>, [INFO] [stdout] 11 + reducers: Vec<&'a dyn Fn(Action, T) -> T>, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:117:29 [INFO] [stdout] | [INFO] [stdout] 117 | fn add_boxed(a: u32) -> Box u32> { [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 117 - fn add_boxed(a: u32) -> Box u32> { [INFO] [stdout] 117 + fn add_boxed(a: u32) -> Box u32> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:28:44 [INFO] [stdout] | [INFO] [stdout] 28 | fn add_reducer(&mut self, reducer: &'a Fn(Action, T) -> T) { [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 28 - fn add_reducer(&mut self, reducer: &'a Fn(Action, T) -> T) { [INFO] [stdout] 28 + fn add_reducer(&mut self, reducer: &'a dyn Fn(Action, T) -> T) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `b` [INFO] [stdout] --> src/main.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | b: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `StoreData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:55:10 [INFO] [stdout] | [INFO] [stdout] 55 | #[derive(Debug, Clone, Copy)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.45s [INFO] running `Command { std: "docker" "inspect" "975a06561bab7a83db61834b2e870ea282eec9c6a0968e2e5255a6e8892c097c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "975a06561bab7a83db61834b2e870ea282eec9c6a0968e2e5255a6e8892c097c", kill_on_drop: false }` [INFO] [stdout] 975a06561bab7a83db61834b2e870ea282eec9c6a0968e2e5255a6e8892c097c [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=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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f62d1f47f5d561f916fd26bd9491ceb5abe84ebda17b2c4c53acc05f000cc401 [INFO] running `Command { std: "docker" "start" "-a" "f62d1f47f5d561f916fd26bd9491ceb5abe84ebda17b2c4c53acc05f000cc401", kill_on_drop: false }` [INFO] [stderr] Compiling learning v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:11:23 [INFO] [stdout] | [INFO] [stdout] 11 | reducers: Vec<&'a Fn(Action, T) -> T>, [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 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 11 - reducers: Vec<&'a Fn(Action, T) -> T>, [INFO] [stdout] 11 + reducers: Vec<&'a dyn Fn(Action, T) -> T>, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:117:29 [INFO] [stdout] | [INFO] [stdout] 117 | fn add_boxed(a: u32) -> Box u32> { [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 117 - fn add_boxed(a: u32) -> Box u32> { [INFO] [stdout] 117 + fn add_boxed(a: u32) -> Box u32> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:28:44 [INFO] [stdout] | [INFO] [stdout] 28 | fn add_reducer(&mut self, reducer: &'a Fn(Action, T) -> T) { [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 28 - fn add_reducer(&mut self, reducer: &'a Fn(Action, T) -> T) { [INFO] [stdout] 28 + fn add_reducer(&mut self, reducer: &'a dyn Fn(Action, T) -> T) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `b` [INFO] [stdout] --> src/main.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | b: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `StoreData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:55:10 [INFO] [stdout] | [INFO] [stdout] 55 | #[derive(Debug, Clone, Copy)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "f62d1f47f5d561f916fd26bd9491ceb5abe84ebda17b2c4c53acc05f000cc401", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f62d1f47f5d561f916fd26bd9491ceb5abe84ebda17b2c4c53acc05f000cc401", kill_on_drop: false }` [INFO] [stdout] f62d1f47f5d561f916fd26bd9491ceb5abe84ebda17b2c4c53acc05f000cc401 [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=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" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a0bc14d514d637a708996e760dc57b634ec9faf1b8e62333a29b96ce5caedeaa [INFO] running `Command { std: "docker" "start" "-a" "a0bc14d514d637a708996e760dc57b634ec9faf1b8e62333a29b96ce5caedeaa", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:11:23 [INFO] [stderr] | [INFO] [stderr] 11 | reducers: Vec<&'a Fn(Action, T) -> T>, [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 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 11 - reducers: Vec<&'a Fn(Action, T) -> T>, [INFO] [stderr] 11 + reducers: Vec<&'a dyn Fn(Action, T) -> T>, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:117:29 [INFO] [stderr] | [INFO] [stderr] 117 | fn add_boxed(a: u32) -> Box u32> { [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: use `dyn` [INFO] [stderr] | [INFO] [stderr] 117 - fn add_boxed(a: u32) -> Box u32> { [INFO] [stderr] 117 + fn add_boxed(a: u32) -> Box u32> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:28:44 [INFO] [stderr] | [INFO] [stderr] 28 | fn add_reducer(&mut self, reducer: &'a Fn(Action, T) -> T) { [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: use `dyn` [INFO] [stderr] | [INFO] [stderr] 28 - fn add_reducer(&mut self, reducer: &'a Fn(Action, T) -> T) { [INFO] [stderr] 28 + fn add_reducer(&mut self, reducer: &'a dyn Fn(Action, T) -> T) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field is never read: `b` [INFO] [stderr] --> src/main.rs:58:5 [INFO] [stderr] | [INFO] [stderr] 58 | b: i32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `StoreData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:55:10 [INFO] [stderr] | [INFO] [stderr] 55 | #[derive(Debug, Clone, Copy)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `learning` (bin "learning" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/learning-1cc6a596fe1779ce) [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" "a0bc14d514d637a708996e760dc57b634ec9faf1b8e62333a29b96ce5caedeaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0bc14d514d637a708996e760dc57b634ec9faf1b8e62333a29b96ce5caedeaa", kill_on_drop: false }` [INFO] [stdout] a0bc14d514d637a708996e760dc57b634ec9faf1b8e62333a29b96ce5caedeaa