[INFO] cloning repository https://github.com/AlmightyFloppyFish/leaf [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlmightyFloppyFish/leaf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlmightyFloppyFish%2Fleaf", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlmightyFloppyFish%2Fleaf'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5802d6a0c2e4805087988bacfeb057d838920772 [INFO] checking AlmightyFloppyFish/leaf against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlmightyFloppyFish%2Fleaf" "/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/AlmightyFloppyFish/leaf on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AlmightyFloppyFish/leaf [INFO] finished tweaking git repo https://github.com/AlmightyFloppyFish/leaf [INFO] tweaked toml for git repo https://github.com/AlmightyFloppyFish/leaf written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/AlmightyFloppyFish/leaf already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded strum v0.17.1 [INFO] [stderr] Downloaded smallvec v1.1.0 [INFO] [stderr] Downloaded strum_macros v0.17.1 [INFO] [stderr] Downloaded proc-macro2 v1.0.7 [INFO] [stderr] Downloaded termion v1.5.3 [INFO] [stderr] Downloaded syn v1.0.13 [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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 21cc1f35725399f9f9bb9d84025eac3fb50bb0c114df2c124bf9d2970ed50a44 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "21cc1f35725399f9f9bb9d84025eac3fb50bb0c114df2c124bf9d2970ed50a44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "21cc1f35725399f9f9bb9d84025eac3fb50bb0c114df2c124bf9d2970ed50a44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21cc1f35725399f9f9bb9d84025eac3fb50bb0c114df2c124bf9d2970ed50a44", kill_on_drop: false }` [INFO] [stdout] 21cc1f35725399f9f9bb9d84025eac3fb50bb0c114df2c124bf9d2970ed50a44 [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=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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] be887e4c2b9b29a3ade10cf6c708767fe5033a14b311938ef67dabcf88716f23 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "be887e4c2b9b29a3ade10cf6c708767fe5033a14b311938ef67dabcf88716f23", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking smallvec v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Checking termion v1.5.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling strum_macros v0.17.1 [INFO] [stderr] Checking leaf v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `tokenizer::TokenSource` [INFO] [stdout] --> src/parser/operator.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | tokenizer::TokenSource, Attr, FunctionBuilder, IdentifierType, Key, ParseError, ParseFault, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokenizer::TokenSource` [INFO] [stdout] --> src/parser/operator.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | tokenizer::TokenSource, Attr, FunctionBuilder, IdentifierType, Key, ParseError, ParseFault, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:79:30 [INFO] [stdout] | [INFO] [stdout] 79 | .map(|a| std::fmt::Display::to_string(a)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:79:30 [INFO] [stdout] | [INFO] [stdout] 79 | .map(|a| std::fmt::Display::to_string(a)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/entity.rs:21:30 [INFO] [stdout] | [INFO] [stdout] 21 | .map(|t| fmt::Display::to_string(t)) [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/entity.rs:49:30 [INFO] [stdout] | [INFO] [stdout] 49 | .map(|t| fmt::Display::to_string(&t.inner)) [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/entity.rs:58:30 [INFO] [stdout] | [INFO] [stdout] 58 | .map(|t| fmt::Display::to_string(t)) [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/entity.rs:113:30 [INFO] [stdout] | [INFO] [stdout] 113 | .map(|t| fmt::Display::to_string(t)) [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/entity.rs:133:30 [INFO] [stdout] | [INFO] [stdout] 133 | .map(|t| fmt::Display::to_string(t)) [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/entity.rs:153:30 [INFO] [stdout] | [INFO] [stdout] 153 | .map(|t| fmt::Display::to_string(t)) [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/entity.rs:163:30 [INFO] [stdout] | [INFO] [stdout] 163 | .map(|t| fmt::Display::to_string(t)) [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/entity.rs:21:30 [INFO] [stdout] | [INFO] [stdout] 21 | .map(|t| fmt::Display::to_string(t)) [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/entity.rs:49:30 [INFO] [stdout] | [INFO] [stdout] 49 | .map(|t| fmt::Display::to_string(&t.inner)) [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/entity.rs:58:30 [INFO] [stdout] | [INFO] [stdout] 58 | .map(|t| fmt::Display::to_string(t)) [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/entity.rs:113:30 [INFO] [stdout] | [INFO] [stdout] 113 | .map(|t| fmt::Display::to_string(t)) [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/entity.rs:133:30 [INFO] [stdout] | [INFO] [stdout] 133 | .map(|t| fmt::Display::to_string(t)) [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/entity.rs:153:30 [INFO] [stdout] | [INFO] [stdout] 153 | .map(|t| fmt::Display::to_string(t)) [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/entity.rs:163:30 [INFO] [stdout] | [INFO] [stdout] 163 | .map(|t| fmt::Display::to_string(t)) [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `got` [INFO] [stdout] --> src/parser/type/struct.rs:17:40 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn verify_record_fields(&self, got: &[(String, Type)]) -> Result<(), ParseFault> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_got` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `local` [INFO] [stdout] --> src/parser/ast/checker.rs:340:18 [INFO] [stdout] | [INFO] [stdout] 340 | Some(local) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_local` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `enum` [INFO] [stdout] --> src/parser/ast/checker.rs:369:38 [INFO] [stdout] | [INFO] [stdout] 369 | CustomType::Enum(r#enum) => { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_enum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/parser/ast/checker.rs:482:34 [INFO] [stdout] | [INFO] [stdout] 482 | MaybeType::Infer(t) => unimplemented!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `branches` [INFO] [stdout] --> src/parser/error.rs:416:47 [INFO] [stdout] | [INFO] [stdout] 416 | ... IfBranchTypeMismatch(box (types, (branches, else_do))) => write!(f, "ERROR TODO: Properly display if statement typing.\n These bran... [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_branches` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `else_do` [INFO] [stdout] --> src/parser/error.rs:416:57 [INFO] [stdout] | [INFO] [stdout] 416 | ... IfBranchTypeMismatch(box (types, (branches, else_do))) => write!(f, "ERROR TODO: Properly display if statement typing.\n These bran... [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_else_do` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `got` [INFO] [stdout] --> src/parser/type/struct.rs:17:40 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn verify_record_fields(&self, got: &[(String, Type)]) -> Result<(), ParseFault> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_got` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `local` [INFO] [stdout] --> src/parser/ast/checker.rs:340:18 [INFO] [stdout] | [INFO] [stdout] 340 | Some(local) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_local` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `enum` [INFO] [stdout] --> src/parser/ast/checker.rs:369:38 [INFO] [stdout] | [INFO] [stdout] 369 | CustomType::Enum(r#enum) => { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_enum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/parser/ast/checker.rs:482:34 [INFO] [stdout] | [INFO] [stdout] 482 | MaybeType::Infer(t) => unimplemented!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `branches` [INFO] [stdout] --> src/parser/error.rs:416:47 [INFO] [stdout] | [INFO] [stdout] 416 | ... IfBranchTypeMismatch(box (types, (branches, else_do))) => write!(f, "ERROR TODO: Properly display if statement typing.\n These bran... [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_branches` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `else_do` [INFO] [stdout] --> src/parser/error.rs:416:57 [INFO] [stdout] | [INFO] [stdout] 416 | ... IfBranchTypeMismatch(box (types, (branches, else_do))) => write!(f, "ERROR TODO: Properly display if statement typing.\n These bran... [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_else_do` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `environment` [INFO] [stdout] --> src/parser/ast.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | environment: Rc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `join` [INFO] [stdout] --> src/parser/picker.rs:266:8 [INFO] [stdout] | [INFO] [stdout] 266 | fn join(&mut self, other: Self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Borrowed` [INFO] [stdout] --> src/interpreter/runner/parambuffer.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Borrowed(&'p SmallVec<[Value; 4]>), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `mem_take` has been stable since 1.40.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(mem_take)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `environment` [INFO] [stdout] --> src/parser/ast.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | environment: Rc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `join` [INFO] [stdout] --> src/parser/picker.rs:266:8 [INFO] [stdout] | [INFO] [stdout] 266 | fn join(&mut self, other: Self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Borrowed` [INFO] [stdout] --> src/interpreter/runner/parambuffer.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Borrowed(&'p SmallVec<[Value; 4]>), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `mem_take` has been stable since 1.40.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(mem_take)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.02s [INFO] running `Command { std: "docker" "inspect" "be887e4c2b9b29a3ade10cf6c708767fe5033a14b311938ef67dabcf88716f23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be887e4c2b9b29a3ade10cf6c708767fe5033a14b311938ef67dabcf88716f23", kill_on_drop: false }` [INFO] [stdout] be887e4c2b9b29a3ade10cf6c708767fe5033a14b311938ef67dabcf88716f23