[INFO] cloning repository https://github.com/dizzygz/playGnd [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dizzygz/playGnd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdizzygz%2FplayGnd", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdizzygz%2FplayGnd'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 32c0f43868ff9bf10e0ecb5310037c0d5a18243e [INFO] building dizzygz/playGnd against master#ce36a966c79e109dabeef7a47fe68e5294c6d71e for pr-137044-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdizzygz%2FplayGnd" "/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/dizzygz/playGnd on toolchain ce36a966c79e109dabeef7a47fe68e5294c6d71e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dizzygz/playGnd [INFO] finished tweaking git repo https://github.com/dizzygz/playGnd [INFO] tweaked toml for git repo https://github.com/dizzygz/playGnd written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/dizzygz/playGnd 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" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "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-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e0013a3db626db77260e03ed8993f0c4368b661c53d88856ca0fd2e7b0a0c877 [INFO] running `Command { std: "docker" "start" "-a" "e0013a3db626db77260e03ed8993f0c4368b661c53d88856ca0fd2e7b0a0c877", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0013a3db626db77260e03ed8993f0c4368b661c53d88856ca0fd2e7b0a0c877", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0013a3db626db77260e03ed8993f0c4368b661c53d88856ca0fd2e7b0a0c877", kill_on_drop: false }` [INFO] [stdout] e0013a3db626db77260e03ed8993f0c4368b661c53d88856ca0fd2e7b0a0c877 [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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b23c4c8367d86592a89fe28c00d3ec0c1900b7dc55106e31d0a1cb59d51e928e [INFO] running `Command { std: "docker" "start" "-a" "b23c4c8367d86592a89fe28c00d3ec0c1900b7dc55106e31d0a1cb59d51e928e", kill_on_drop: false }` [INFO] [stderr] Compiling playGnd v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:47:21 [INFO] [stdout] | [INFO] [stdout] 47 | _ => Err( String::from("invalid operation")), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/main.rs:47:21 [INFO] [stdout] | [INFO] [stdout] 24 | Operation::Add => { [INFO] [stdout] | -------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 29 | Operation::Sub => { [INFO] [stdout] | -------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 34 | Operation::Mul => { [INFO] [stdout] | -------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 39 | Operation::Div => { [INFO] [stdout] | -------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 47 | _ => Err( String::from("invalid operation")), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Operation` is never used [INFO] [stdout] --> src/main.rs:3:6 [INFO] [stdout] | [INFO] [stdout] 3 | enum Operation { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Expression` is never used [INFO] [stdout] --> src/main.rs:12:6 [INFO] [stdout] | [INFO] [stdout] 12 | enum Expression { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `eval` is never used [INFO] [stdout] --> src/main.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn eval(e: Expression) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x`, `y`, and `z` are never read [INFO] [stdout] --> src/main.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 111 | struct Derived { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 112 | x: u32, [INFO] [stdout] | ^ [INFO] [stdout] 113 | y: String, [INFO] [stdout] | ^ [INFO] [stdout] 114 | z: Implemented, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Derived` has derived impls for the traits `Default` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:118:20 [INFO] [stdout] | [INFO] [stdout] 118 | struct Implemented(String); [INFO] [stdout] | ----------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Implemented` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "b23c4c8367d86592a89fe28c00d3ec0c1900b7dc55106e31d0a1cb59d51e928e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b23c4c8367d86592a89fe28c00d3ec0c1900b7dc55106e31d0a1cb59d51e928e", kill_on_drop: false }` [INFO] [stdout] b23c4c8367d86592a89fe28c00d3ec0c1900b7dc55106e31d0a1cb59d51e928e [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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 120700d0be14dddfaa29c278161f402ad8c89bdeda07a34834854d708364fcc4 [INFO] running `Command { std: "docker" "start" "-a" "120700d0be14dddfaa29c278161f402ad8c89bdeda07a34834854d708364fcc4", kill_on_drop: false }` [INFO] [stderr] Compiling playGnd v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:47:21 [INFO] [stdout] | [INFO] [stdout] 47 | _ => Err( String::from("invalid operation")), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/main.rs:47:21 [INFO] [stdout] | [INFO] [stdout] 24 | Operation::Add => { [INFO] [stdout] | -------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 29 | Operation::Sub => { [INFO] [stdout] | -------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 34 | Operation::Mul => { [INFO] [stdout] | -------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 39 | Operation::Div => { [INFO] [stdout] | -------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 47 | _ => Err( String::from("invalid operation")), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x`, `y`, and `z` are never read [INFO] [stdout] --> src/main.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 111 | struct Derived { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 112 | x: u32, [INFO] [stdout] | ^ [INFO] [stdout] 113 | y: String, [INFO] [stdout] | ^ [INFO] [stdout] 114 | z: Implemented, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Derived` has derived impls for the traits `Default` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:118:20 [INFO] [stdout] | [INFO] [stdout] 118 | struct Implemented(String); [INFO] [stdout] | ----------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Implemented` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "120700d0be14dddfaa29c278161f402ad8c89bdeda07a34834854d708364fcc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "120700d0be14dddfaa29c278161f402ad8c89bdeda07a34834854d708364fcc4", kill_on_drop: false }` [INFO] [stdout] 120700d0be14dddfaa29c278161f402ad8c89bdeda07a34834854d708364fcc4