[INFO] cloning repository https://github.com/iemelyanov/simpleast [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iemelyanov/simpleast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiemelyanov%2Fsimpleast", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiemelyanov%2Fsimpleast'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 750a9a84df68ba8af63dbe3ad73ea2f6c45b3b89 [INFO] testing iemelyanov/simpleast against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiemelyanov%2Fsimpleast" "/workspace/builds/worker-50/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iemelyanov/simpleast on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iemelyanov/simpleast [INFO] finished tweaking git repo https://github.com/iemelyanov/simpleast [INFO] tweaked toml for git repo https://github.com/iemelyanov/simpleast written to /workspace/builds/worker-50/source/Cargo.toml [INFO] crate git repo https://github.com/iemelyanov/simpleast already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 801e7e6f7d2a22823f5029f843add2e221e040856902337fee19377b67b1f964 [INFO] running `Command { std: "docker" "start" "-a" "801e7e6f7d2a22823f5029f843add2e221e040856902337fee19377b67b1f964", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "801e7e6f7d2a22823f5029f843add2e221e040856902337fee19377b67b1f964", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "801e7e6f7d2a22823f5029f843add2e221e040856902337fee19377b67b1f964", kill_on_drop: false }` [INFO] [stdout] 801e7e6f7d2a22823f5029f843add2e221e040856902337fee19377b67b1f964 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b9b68167849fd4e157bb39e9682936287a96ccf292ed6089b3227e3ff09132d0 [INFO] running `Command { std: "docker" "start" "-a" "b9b68167849fd4e157bb39e9682936287a96ccf292ed6089b3227e3ff09132d0", kill_on_drop: false }` [INFO] [stderr] Compiling typed-arena v2.0.1 [INFO] [stderr] Compiling simpleast v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `tree` [INFO] [stdout] --> src/main.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let tree = Expr::Binary { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tree` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `BinOp` [INFO] [stdout] --> src/main.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | enum BinOp { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Variable` [INFO] [stdout] --> src/main.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | enum Variable { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Expr` [INFO] [stdout] --> src/main.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | enum Expr { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `play` [INFO] [stdout] --> src/main.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | fn play() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Add` [INFO] [stdout] --> src/main.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:55:14 [INFO] [stdout] | [INFO] [stdout] 55 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Sub` [INFO] [stdout] --> src/main.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | Sub, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:55:14 [INFO] [stdout] | [INFO] [stdout] 55 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Div` [INFO] [stdout] --> src/main.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | Div, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:55:14 [INFO] [stdout] | [INFO] [stdout] 55 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Add` [INFO] [stdout] --> src/main.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `UnOp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:63:14 [INFO] [stdout] | [INFO] [stdout] 63 | #[derive(Debug)] [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: variant is never constructed: `String` [INFO] [stdout] --> src/main.rs:258:9 [INFO] [stdout] | [INFO] [stdout] 258 | String(String), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Add` [INFO] [stdout] --> src/main.rs:269:9 [INFO] [stdout] | [INFO] [stdout] 269 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:267:14 [INFO] [stdout] | [INFO] [stdout] 267 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Sub` [INFO] [stdout] --> src/main.rs:270:9 [INFO] [stdout] | [INFO] [stdout] 270 | Sub, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:267:14 [INFO] [stdout] | [INFO] [stdout] 267 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Div` [INFO] [stdout] --> src/main.rs:272:9 [INFO] [stdout] | [INFO] [stdout] 272 | Div, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:267:14 [INFO] [stdout] | [INFO] [stdout] 267 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Add` [INFO] [stdout] --> src/main.rs:277:9 [INFO] [stdout] | [INFO] [stdout] 277 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `UnOp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:275:14 [INFO] [stdout] | [INFO] [stdout] 275 | #[derive(Debug)] [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: associated function is never used: `repr` [INFO] [stdout] --> src/main.rs:351:16 [INFO] [stdout] | [INFO] [stdout] 351 | pub fn repr(&mut self, ast: &dyn Expr) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Add` [INFO] [stdout] --> src/main.rs:468:9 [INFO] [stdout] | [INFO] [stdout] 468 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:466:14 [INFO] [stdout] | [INFO] [stdout] 466 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Sub` [INFO] [stdout] --> src/main.rs:469:9 [INFO] [stdout] | [INFO] [stdout] 469 | Sub, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:466:14 [INFO] [stdout] | [INFO] [stdout] 466 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Div` [INFO] [stdout] --> src/main.rs:471:9 [INFO] [stdout] | [INFO] [stdout] 471 | Div, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:466:14 [INFO] [stdout] | [INFO] [stdout] 466 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Add` [INFO] [stdout] --> src/main.rs:476:9 [INFO] [stdout] | [INFO] [stdout] 476 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `UnOp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:474:14 [INFO] [stdout] | [INFO] [stdout] 474 | #[derive(Debug)] [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: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.30s [INFO] running `Command { std: "docker" "inspect" "b9b68167849fd4e157bb39e9682936287a96ccf292ed6089b3227e3ff09132d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9b68167849fd4e157bb39e9682936287a96ccf292ed6089b3227e3ff09132d0", kill_on_drop: false }` [INFO] [stdout] b9b68167849fd4e157bb39e9682936287a96ccf292ed6089b3227e3ff09132d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 84e9973923cdd32d0e00d6decd3c9bed3141d5cb54f91442ddcde9910f400d03 [INFO] running `Command { std: "docker" "start" "-a" "84e9973923cdd32d0e00d6decd3c9bed3141d5cb54f91442ddcde9910f400d03", kill_on_drop: false }` [INFO] [stderr] Compiling simpleast v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `tree` [INFO] [stdout] --> src/main.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let tree = Expr::Binary { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tree` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `BinOp` [INFO] [stdout] --> src/main.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | enum BinOp { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Variable` [INFO] [stdout] --> src/main.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | enum Variable { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Expr` [INFO] [stdout] --> src/main.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | enum Expr { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `play` [INFO] [stdout] --> src/main.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | fn play() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Add` [INFO] [stdout] --> src/main.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:55:14 [INFO] [stdout] | [INFO] [stdout] 55 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Sub` [INFO] [stdout] --> src/main.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | Sub, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:55:14 [INFO] [stdout] | [INFO] [stdout] 55 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Div` [INFO] [stdout] --> src/main.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | Div, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:55:14 [INFO] [stdout] | [INFO] [stdout] 55 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Add` [INFO] [stdout] --> src/main.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `UnOp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:63:14 [INFO] [stdout] | [INFO] [stdout] 63 | #[derive(Debug)] [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: variant is never constructed: `String` [INFO] [stdout] --> src/main.rs:258:9 [INFO] [stdout] | [INFO] [stdout] 258 | String(String), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Add` [INFO] [stdout] --> src/main.rs:269:9 [INFO] [stdout] | [INFO] [stdout] 269 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:267:14 [INFO] [stdout] | [INFO] [stdout] 267 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Sub` [INFO] [stdout] --> src/main.rs:270:9 [INFO] [stdout] | [INFO] [stdout] 270 | Sub, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:267:14 [INFO] [stdout] | [INFO] [stdout] 267 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Div` [INFO] [stdout] --> src/main.rs:272:9 [INFO] [stdout] | [INFO] [stdout] 272 | Div, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:267:14 [INFO] [stdout] | [INFO] [stdout] 267 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Add` [INFO] [stdout] --> src/main.rs:277:9 [INFO] [stdout] | [INFO] [stdout] 277 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `UnOp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:275:14 [INFO] [stdout] | [INFO] [stdout] 275 | #[derive(Debug)] [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: associated function is never used: `repr` [INFO] [stdout] --> src/main.rs:351:16 [INFO] [stdout] | [INFO] [stdout] 351 | pub fn repr(&mut self, ast: &dyn Expr) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Add` [INFO] [stdout] --> src/main.rs:468:9 [INFO] [stdout] | [INFO] [stdout] 468 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:466:14 [INFO] [stdout] | [INFO] [stdout] 466 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Sub` [INFO] [stdout] --> src/main.rs:469:9 [INFO] [stdout] | [INFO] [stdout] 469 | Sub, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:466:14 [INFO] [stdout] | [INFO] [stdout] 466 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Div` [INFO] [stdout] --> src/main.rs:471:9 [INFO] [stdout] | [INFO] [stdout] 471 | Div, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:466:14 [INFO] [stdout] | [INFO] [stdout] 466 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Add` [INFO] [stdout] --> src/main.rs:476:9 [INFO] [stdout] | [INFO] [stdout] 476 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `UnOp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:474:14 [INFO] [stdout] | [INFO] [stdout] 474 | #[derive(Debug)] [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: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.56s [INFO] running `Command { std: "docker" "inspect" "84e9973923cdd32d0e00d6decd3c9bed3141d5cb54f91442ddcde9910f400d03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84e9973923cdd32d0e00d6decd3c9bed3141d5cb54f91442ddcde9910f400d03", kill_on_drop: false }` [INFO] [stdout] 84e9973923cdd32d0e00d6decd3c9bed3141d5cb54f91442ddcde9910f400d03 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e6c5c54d2d433feeb8dff54ffb1fad6ea6909d2aafe9a9b7c91459ef59857948 [INFO] running `Command { std: "docker" "start" "-a" "e6c5c54d2d433feeb8dff54ffb1fad6ea6909d2aafe9a9b7c91459ef59857948", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `tree` [INFO] [stderr] --> src/main.rs:27:13 [INFO] [stderr] | [INFO] [stderr] 27 | let tree = Expr::Binary { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tree` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `BinOp` [INFO] [stderr] --> src/main.rs:2:10 [INFO] [stderr] | [INFO] [stderr] 2 | enum BinOp { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Variable` [INFO] [stderr] --> src/main.rs:9:10 [INFO] [stderr] | [INFO] [stderr] 9 | enum Variable { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Expr` [INFO] [stderr] --> src/main.rs:15:10 [INFO] [stderr] | [INFO] [stderr] 15 | enum Expr { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `play` [INFO] [stderr] --> src/main.rs:25:8 [INFO] [stderr] | [INFO] [stderr] 25 | fn play() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Add` [INFO] [stderr] --> src/main.rs:57:9 [INFO] [stderr] | [INFO] [stderr] 57 | Add, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:55:14 [INFO] [stderr] | [INFO] [stderr] 55 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Sub` [INFO] [stderr] --> src/main.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | Sub, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:55:14 [INFO] [stderr] | [INFO] [stderr] 55 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Div` [INFO] [stderr] --> src/main.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | Div, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:55:14 [INFO] [stderr] | [INFO] [stderr] 55 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Add` [INFO] [stderr] --> src/main.rs:65:9 [INFO] [stderr] | [INFO] [stderr] 65 | Add, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: `UnOp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:63:14 [INFO] [stderr] | [INFO] [stderr] 63 | #[derive(Debug)] [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: variant is never constructed: `String` [INFO] [stderr] --> src/main.rs:258:9 [INFO] [stderr] | [INFO] [stderr] 258 | String(String), [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Add` [INFO] [stderr] --> src/main.rs:269:9 [INFO] [stderr] | [INFO] [stderr] 269 | Add, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:267:14 [INFO] [stderr] | [INFO] [stderr] 267 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Sub` [INFO] [stderr] --> src/main.rs:270:9 [INFO] [stderr] | [INFO] [stderr] 270 | Sub, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:267:14 [INFO] [stderr] | [INFO] [stderr] 267 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Div` [INFO] [stderr] --> src/main.rs:272:9 [INFO] [stderr] | [INFO] [stderr] 272 | Div, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:267:14 [INFO] [stderr] | [INFO] [stderr] 267 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Add` [INFO] [stderr] --> src/main.rs:277:9 [INFO] [stderr] | [INFO] [stderr] 277 | Add, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: `UnOp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:275:14 [INFO] [stderr] | [INFO] [stderr] 275 | #[derive(Debug)] [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: associated function is never used: `repr` [INFO] [stderr] --> src/main.rs:351:16 [INFO] [stderr] | [INFO] [stderr] 351 | pub fn repr(&mut self, ast: &dyn Expr) -> String { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Add` [INFO] [stderr] --> src/main.rs:468:9 [INFO] [stderr] | [INFO] [stderr] 468 | Add, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:466:14 [INFO] [stderr] | [INFO] [stderr] 466 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Sub` [INFO] [stderr] --> src/main.rs:469:9 [INFO] [stderr] | [INFO] [stderr] 469 | Sub, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:466:14 [INFO] [stderr] | [INFO] [stderr] 466 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Div` [INFO] [stderr] --> src/main.rs:471:9 [INFO] [stderr] | [INFO] [stderr] 471 | Div, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:466:14 [INFO] [stderr] | [INFO] [stderr] 466 | #[derive(Debug, Copy, Clone)] [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: variant is never constructed: `Add` [INFO] [stderr] --> src/main.rs:476:9 [INFO] [stderr] | [INFO] [stderr] 476 | Add, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: `UnOp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:474:14 [INFO] [stderr] | [INFO] [stderr] 474 | #[derive(Debug)] [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] [stdout] [INFO] [stderr] warning: `simpleast` (bin "simpleast" test) generated 19 warnings [INFO] [stdout] running 0 tests [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/simpleast-1d39ef323c36cf01) [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" "e6c5c54d2d433feeb8dff54ffb1fad6ea6909d2aafe9a9b7c91459ef59857948", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6c5c54d2d433feeb8dff54ffb1fad6ea6909d2aafe9a9b7c91459ef59857948", kill_on_drop: false }` [INFO] [stdout] e6c5c54d2d433feeb8dff54ffb1fad6ea6909d2aafe9a9b7c91459ef59857948