[INFO] fetching crate lingot 1.0.0...
[INFO] checking lingot-1.0.0 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205
[INFO] extracting crate lingot 1.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate lingot 1.0.0
[INFO] finished tweaking crates.io crate lingot 1.0.0
[INFO] tweaked toml for crates.io crate lingot 1.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lingot 1.0.0 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lingot 1.0.0 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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1705559cb745c62d60fcda027e851284a3ba55c4ab6b236d9368c45b8ffea84
[INFO] running `Command { std: "docker" "start" "-a" "b1705559cb745c62d60fcda027e851284a3ba55c4ab6b236d9368c45b8ffea84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1705559cb745c62d60fcda027e851284a3ba55c4ab6b236d9368c45b8ffea84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1705559cb745c62d60fcda027e851284a3ba55c4ab6b236d9368c45b8ffea84", kill_on_drop: false }`
[INFO] [stdout] b1705559cb745c62d60fcda027e851284a3ba55c4ab6b236d9368c45b8ffea84
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c143e5fc4f763bbe4f0ba9645610db95a0f77d46e48be574e3ab1450131e6d54
[INFO] running `Command { std: "docker" "start" "-a" "c143e5fc4f763bbe4f0ba9645610db95a0f77d46e48be574e3ab1450131e6d54", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling clap_derive v4.6.0
[INFO] [stderr]     Checking clap v4.6.0
[INFO] [stderr]     Checking lingot v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `MapLit`, `Range`, and `Lambda` are never constructed
[INFO] [stdout]   --> src/parser/ast.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub enum Expr {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 31 |     MapLit(Vec<(Expr, Expr)>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 32 |     Range {
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     Lambda {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `type_annotation` is never read
[INFO] [stdout]   --> src/parser/ast.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct Param {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 74 |     pub name: String,
[INFO] [stdout] 75 |     pub type_annotation: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Param` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `type_annotation` is never read
[INFO] [stdout]   --> src/parser/ast.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     Let {
[INFO] [stdout]    |     --- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 84 |         type_annotation: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `items` and `path` are never read
[INFO] [stdout]    --> src/parser/ast.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     Load {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 125 |         items: Vec<String>, // ["*"] for wildcard
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 126 |         path: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Map` is never constructed
[INFO] [stdout]   --> src/interpreter/value.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum LingotValue {
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     Map(HashMap<String, LingotValue>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LingotValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_pub` is never read
[INFO] [stdout]  --> src/interpreter/environment.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Variable {
[INFO] [stdout]   |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     is_pub: bool,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Variable` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fs_copy` is never used
[INFO] [stdout]   --> src/interpreter/primitives.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn fs_copy(src: &str, dest: &str) -> Result<LingotValue, String> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `report_error` is never used
[INFO] [stdout]  --> src/error/report.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn report_error(filename: &str, line: usize, col: usize, message: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `MapLit`, `Range`, and `Lambda` are never constructed
[INFO] [stdout]   --> src/parser/ast.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub enum Expr {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 31 |     MapLit(Vec<(Expr, Expr)>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 32 |     Range {
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     Lambda {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `type_annotation` is never read
[INFO] [stdout]   --> src/parser/ast.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct Param {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 74 |     pub name: String,
[INFO] [stdout] 75 |     pub type_annotation: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Param` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `type_annotation` is never read
[INFO] [stdout]   --> src/parser/ast.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     Let {
[INFO] [stdout]    |     --- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 84 |         type_annotation: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `items` and `path` are never read
[INFO] [stdout]    --> src/parser/ast.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     Load {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 125 |         items: Vec<String>, // ["*"] for wildcard
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 126 |         path: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Map` is never constructed
[INFO] [stdout]   --> src/interpreter/value.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum LingotValue {
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     Map(HashMap<String, LingotValue>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LingotValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_pub` is never read
[INFO] [stdout]  --> src/interpreter/environment.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Variable {
[INFO] [stdout]   |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     is_pub: bool,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Variable` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fs_copy` is never used
[INFO] [stdout]   --> src/interpreter/primitives.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn fs_copy(src: &str, dest: &str) -> Result<LingotValue, String> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `report_error` is never used
[INFO] [stdout]  --> src/error/report.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn report_error(filename: &str, line: usize, col: usize, message: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.89s
[INFO] running `Command { std: "docker" "inspect" "c143e5fc4f763bbe4f0ba9645610db95a0f77d46e48be574e3ab1450131e6d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c143e5fc4f763bbe4f0ba9645610db95a0f77d46e48be574e3ab1450131e6d54", kill_on_drop: false }`
[INFO] [stdout] c143e5fc4f763bbe4f0ba9645610db95a0f77d46e48be574e3ab1450131e6d54