[INFO] cloning repository https://github.com/AlexDikelsky/fp-interpreter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexDikelsky/fp-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexDikelsky%2Ffp-interpreter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexDikelsky%2Ffp-interpreter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] af1be6b163d94234473f48054103869d22fb0320 [INFO] checking AlexDikelsky/fp-interpreter against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexDikelsky%2Ffp-interpreter" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AlexDikelsky/fp-interpreter on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AlexDikelsky/fp-interpreter [INFO] finished tweaking git repo https://github.com/AlexDikelsky/fp-interpreter [INFO] tweaked toml for git repo https://github.com/AlexDikelsky/fp-interpreter written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/AlexDikelsky/fp-interpreter already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 38abc799ed92ef58226691c108e7ad733c236304b6a7ff77b83c3b5e49a8ee5b [INFO] running `Command { std: "docker" "start" "-a" "38abc799ed92ef58226691c108e7ad733c236304b6a7ff77b83c3b5e49a8ee5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "38abc799ed92ef58226691c108e7ad733c236304b6a7ff77b83c3b5e49a8ee5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38abc799ed92ef58226691c108e7ad733c236304b6a7ff77b83c3b5e49a8ee5b", kill_on_drop: false }` [INFO] [stdout] 38abc799ed92ef58226691c108e7ad733c236304b6a7ff77b83c3b5e49a8ee5b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3d0428171c562ca0e0386544cfe78e9f25a14fe913deb5289b57111551df1ebb [INFO] running `Command { std: "docker" "start" "-a" "3d0428171c562ca0e0386544cfe78e9f25a14fe913deb5289b57111551df1ebb", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking fp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bool_fns.rs:28:45 [INFO] [stdout] | [INFO] [stdout] 28 | fn bool_fn<'a>(x: Option, f: Box bool>) -> 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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 28 | fn bool_fn<'a>(x: Option, f: Box bool>) -> Option { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bool_fns.rs:28:45 [INFO] [stdout] | [INFO] [stdout] 28 | fn bool_fn<'a>(x: Option, f: Box bool>) -> 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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 28 | fn bool_fn<'a>(x: Option, f: Box bool>) -> Option { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:49:21 [INFO] [stdout] | [INFO] [stdout] 49 | let fs: Vec usize>> = vec![Box::new(p), Box::new(|x| x + 2)]; [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 an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 49 | let fs: Vec usize>> = vec![Box::new(p), Box::new(|x| x + 2)]; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:49:21 [INFO] [stdout] | [INFO] [stdout] 49 | let fs: Vec usize>> = vec![Box::new(p), Box::new(|x| x + 2)]; [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 an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 49 | let fs: Vec usize>> = vec![Box::new(p), Box::new(|x| x + 2)]; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/functional_forms.rs:78:19 [INFO] [stdout] | [INFO] [stdout] 78 | Box::new(|x| None) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Set` is never used [INFO] [stdout] --> src/sets.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | pub enum Set<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Set` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/functional_forms.rs:78:19 [INFO] [stdout] | [INFO] [stdout] 78 | Box::new(|x| None) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Set` is never used [INFO] [stdout] --> src/sets.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | pub enum Set<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Set` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.56s [INFO] running `Command { std: "docker" "inspect" "3d0428171c562ca0e0386544cfe78e9f25a14fe913deb5289b57111551df1ebb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d0428171c562ca0e0386544cfe78e9f25a14fe913deb5289b57111551df1ebb", kill_on_drop: false }` [INFO] [stdout] 3d0428171c562ca0e0386544cfe78e9f25a14fe913deb5289b57111551df1ebb