[INFO] cloning repository https://github.com/mist-lang/mist [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mist-lang/mist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmist-lang%2Fmist", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmist-lang%2Fmist'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a8ccb2b19f84f195a6e4b07282d3cfcec95b3a1b [INFO] checking mist-lang/mist against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmist-lang%2Fmist" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mist-lang/mist on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-7/source/rust-toolchain [INFO] started tweaking git repo https://github.com/mist-lang/mist [INFO] finished tweaking git repo https://github.com/mist-lang/mist [INFO] tweaked toml for git repo https://github.com/mist-lang/mist written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/mist-lang/mist already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pest_generator v2.1.3 [INFO] [stderr] Downloaded pest_meta v2.1.3 [INFO] [stderr] Downloaded quick-error v2.0.0 [INFO] [stderr] Downloaded handlebars v3.5.4 [INFO] [stderr] Downloaded lexical-core v0.7.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a6a68b1455d6cf6ab9566ccb64a37666c84a12f1ffb50f96e1f57195c38974a2 [INFO] running `Command { std: "docker" "start" "-a" "a6a68b1455d6cf6ab9566ccb64a37666c84a12f1ffb50f96e1f57195c38974a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a6a68b1455d6cf6ab9566ccb64a37666c84a12f1ffb50f96e1f57195c38974a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6a68b1455d6cf6ab9566ccb64a37666c84a12f1ffb50f96e1f57195c38974a2", kill_on_drop: false }` [INFO] [stdout] a6a68b1455d6cf6ab9566ccb64a37666c84a12f1ffb50f96e1f57195c38974a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4ab3f2a7dc0235e0b2675eebc8b14a6d07c23a5cf438841dc9367bae750bbde6 [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" "4ab3f2a7dc0235e0b2675eebc8b14a6d07c23a5cf438841dc9367bae750bbde6", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling lexical-core v0.7.5 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking quick-error v2.0.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling nom v6.1.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking handlebars v3.5.4 [INFO] [stderr] Checking mist v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `dec` [INFO] [stdout] --> src/hir/expr.rs:65:16 [INFO] [stdout] | [INFO] [stdout] 65 | Expr::Let { dec, assign, cont } => todo!(), [INFO] [stdout] | ^^^ help: try ignoring the field: `dec: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `assign` [INFO] [stdout] --> src/hir/expr.rs:65:21 [INFO] [stdout] | [INFO] [stdout] 65 | Expr::Let { dec, assign, cont } => todo!(), [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `assign: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cont` [INFO] [stdout] --> src/hir/expr.rs:65:29 [INFO] [stdout] | [INFO] [stdout] 65 | Expr::Let { dec, assign, cont } => todo!(), [INFO] [stdout] | ^^^^ help: try ignoring the field: `cont: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fun` [INFO] [stdout] --> src/hir/expr.rs:66:17 [INFO] [stdout] | [INFO] [stdout] 66 | Expr::Call { fun, args } => todo!(), [INFO] [stdout] | ^^^ help: try ignoring the field: `fun: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/hir/expr.rs:66:22 [INFO] [stdout] | [INFO] [stdout] 66 | Expr::Call { fun, args } => todo!(), [INFO] [stdout] | ^^^^ help: try ignoring the field: `args: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dec` [INFO] [stdout] --> src/hir/expr.rs:65:16 [INFO] [stdout] | [INFO] [stdout] 65 | Expr::Let { dec, assign, cont } => todo!(), [INFO] [stdout] | ^^^ help: try ignoring the field: `dec: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `assign` [INFO] [stdout] --> src/hir/expr.rs:65:21 [INFO] [stdout] | [INFO] [stdout] 65 | Expr::Let { dec, assign, cont } => todo!(), [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `assign: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cont` [INFO] [stdout] --> src/hir/expr.rs:65:29 [INFO] [stdout] | [INFO] [stdout] 65 | Expr::Let { dec, assign, cont } => todo!(), [INFO] [stdout] | ^^^^ help: try ignoring the field: `cont: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fun` [INFO] [stdout] --> src/hir/expr.rs:66:17 [INFO] [stdout] | [INFO] [stdout] 66 | Expr::Call { fun, args } => todo!(), [INFO] [stdout] | ^^^ help: try ignoring the field: `fun: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/hir/expr.rs:66:22 [INFO] [stdout] | [INFO] [stdout] 66 | Expr::Call { fun, args } => todo!(), [INFO] [stdout] | ^^^^ help: try ignoring the field: `args: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `imports` [INFO] [stdout] --> src/webassembly.rs:12:2 [INFO] [stdout] | [INFO] [stdout] 12 | imports: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `exports` [INFO] [stdout] --> src/webassembly.rs:13:2 [INFO] [stdout] | [INFO] [stdout] 13 | exports: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `mems` [INFO] [stdout] --> src/webassembly.rs:14:2 [INFO] [stdout] | [INFO] [stdout] 14 | mems: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `funcs` [INFO] [stdout] --> src/webassembly.rs:15:2 [INFO] [stdout] | [INFO] [stdout] 15 | funcs: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `start` [INFO] [stdout] --> src/webassembly.rs:16:2 [INFO] [stdout] | [INFO] [stdout] 16 | start: Index, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `module_name` [INFO] [stdout] --> src/webassembly.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | module_name: &'static str, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/webassembly.rs:21:2 [INFO] [stdout] | [INFO] [stdout] 21 | name: &'static str, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `desc` [INFO] [stdout] --> src/webassembly.rs:22:2 [INFO] [stdout] | [INFO] [stdout] 22 | desc: ImportDesc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/webassembly.rs:33:2 [INFO] [stdout] | [INFO] [stdout] 33 | name: &'static str, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `desc` [INFO] [stdout] --> src/webassembly.rs:34:2 [INFO] [stdout] | [INFO] [stdout] 34 | desc: ExportDesc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/webassembly.rs:49:2 [INFO] [stdout] | [INFO] [stdout] 49 | name: Index, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `typeuse` [INFO] [stdout] --> src/webassembly.rs:50:2 [INFO] [stdout] | [INFO] [stdout] 50 | typeuse: FuncType, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `locals` [INFO] [stdout] --> src/webassembly.rs:51:2 [INFO] [stdout] | [INFO] [stdout] 51 | locals: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `instrs` [INFO] [stdout] --> src/webassembly.rs:52:2 [INFO] [stdout] | [INFO] [stdout] 52 | instrs: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `params` [INFO] [stdout] --> src/webassembly.rs:56:2 [INFO] [stdout] | [INFO] [stdout] 56 | params: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ret_ty` [INFO] [stdout] --> src/webassembly.rs:57:2 [INFO] [stdout] | [INFO] [stdout] 57 | ret_ty: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/webassembly.rs:65:2 [INFO] [stdout] | [INFO] [stdout] 65 | name: Index, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `valtype` [INFO] [stdout] --> src/webassembly.rs:66:2 [INFO] [stdout] | [INFO] [stdout] 66 | valtype: ValType, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `imports` [INFO] [stdout] --> src/webassembly.rs:12:2 [INFO] [stdout] | [INFO] [stdout] 12 | imports: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `exports` [INFO] [stdout] --> src/webassembly.rs:13:2 [INFO] [stdout] | [INFO] [stdout] 13 | exports: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `mems` [INFO] [stdout] --> src/webassembly.rs:14:2 [INFO] [stdout] | [INFO] [stdout] 14 | mems: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `funcs` [INFO] [stdout] --> src/webassembly.rs:15:2 [INFO] [stdout] | [INFO] [stdout] 15 | funcs: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `start` [INFO] [stdout] --> src/webassembly.rs:16:2 [INFO] [stdout] | [INFO] [stdout] 16 | start: Index, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `module_name` [INFO] [stdout] --> src/webassembly.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | module_name: &'static str, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/webassembly.rs:21:2 [INFO] [stdout] | [INFO] [stdout] 21 | name: &'static str, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `desc` [INFO] [stdout] --> src/webassembly.rs:22:2 [INFO] [stdout] | [INFO] [stdout] 22 | desc: ImportDesc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/webassembly.rs:33:2 [INFO] [stdout] | [INFO] [stdout] 33 | name: &'static str, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `desc` [INFO] [stdout] --> src/webassembly.rs:34:2 [INFO] [stdout] | [INFO] [stdout] 34 | desc: ExportDesc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/webassembly.rs:49:2 [INFO] [stdout] | [INFO] [stdout] 49 | name: Index, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `typeuse` [INFO] [stdout] --> src/webassembly.rs:50:2 [INFO] [stdout] | [INFO] [stdout] 50 | typeuse: FuncType, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `locals` [INFO] [stdout] --> src/webassembly.rs:51:2 [INFO] [stdout] | [INFO] [stdout] 51 | locals: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `instrs` [INFO] [stdout] --> src/webassembly.rs:52:2 [INFO] [stdout] | [INFO] [stdout] 52 | instrs: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `params` [INFO] [stdout] --> src/webassembly.rs:56:2 [INFO] [stdout] | [INFO] [stdout] 56 | params: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ret_ty` [INFO] [stdout] --> src/webassembly.rs:57:2 [INFO] [stdout] | [INFO] [stdout] 57 | ret_ty: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/webassembly.rs:65:2 [INFO] [stdout] | [INFO] [stdout] 65 | name: Index, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `valtype` [INFO] [stdout] --> src/webassembly.rs:66:2 [INFO] [stdout] | [INFO] [stdout] 66 | valtype: ValType, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.49s [INFO] running `Command { std: "docker" "inspect" "4ab3f2a7dc0235e0b2675eebc8b14a6d07c23a5cf438841dc9367bae750bbde6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ab3f2a7dc0235e0b2675eebc8b14a6d07c23a5cf438841dc9367bae750bbde6", kill_on_drop: false }` [INFO] [stdout] 4ab3f2a7dc0235e0b2675eebc8b14a6d07c23a5cf438841dc9367bae750bbde6