[INFO] fetching crate liexpr 0.1.0...
[INFO] testing liexpr-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate liexpr 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate liexpr 0.1.0
[INFO] finished tweaking crates.io crate liexpr 0.1.0
[INFO] tweaked toml for crates.io crate liexpr 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate liexpr 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c611e9c1b2dd1f5ec25ff485122bc0ff732f9bc94071ff79099bf2a20b23ce1
[INFO] running `Command { std: "docker" "start" "-a" "6c611e9c1b2dd1f5ec25ff485122bc0ff732f9bc94071ff79099bf2a20b23ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c611e9c1b2dd1f5ec25ff485122bc0ff732f9bc94071ff79099bf2a20b23ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c611e9c1b2dd1f5ec25ff485122bc0ff732f9bc94071ff79099bf2a20b23ce1", kill_on_drop: false }`
[INFO] [stdout] 6c611e9c1b2dd1f5ec25ff485122bc0ff732f9bc94071ff79099bf2a20b23ce1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 221cf94dbbf5c468a3f317823adf51ec29fc36d7fbe641183958d6ef52346bbe
[INFO] running `Command { std: "docker" "start" "-a" "221cf94dbbf5c468a3f317823adf51ec29fc36d7fbe641183958d6ef52346bbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling liexpr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/eval.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             _ => unimplemented!("Not implemented statement: {:?}", statement),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/eval.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout]  95 |             Statement::Empty => {}
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout]  96 |             Statement::Return { value } => {
[INFO] [stdout]     |             --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 103 |             Statement::Let { name, value } => match value {
[INFO] [stdout]     |             ------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 113 |             Statement::Expression { expression } => {
[INFO] [stdout]     |             ------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 178 |             _ => unimplemented!("Not implemented statement: {:?}", statement),
[INFO] [stdout]     |             ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]    --> src/eval.rs:616:9
[INFO] [stdout]     |
[INFO] [stdout] 616 |         expression: &Expression,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/eval.rs:617:9
[INFO] [stdout]     |
[INFO] [stdout] 617 |         args: &[Expression],
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/parser.rs:137:30
[INFO] [stdout]     |
[INFO] [stdout] 137 |             Statement::Let { name, value } => {}
[INFO] [stdout]     |                              ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/parser.rs:137:36
[INFO] [stdout]     |
[INFO] [stdout] 137 |             Statement::Let { name, value } => {}
[INFO] [stdout]     |                                    ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]    --> src/parser.rs:138:37
[INFO] [stdout]     |
[INFO] [stdout] 138 |             Statement::Expression { expression } => {}
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: try ignoring the field: `expression: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileId` is never constructed
[INFO] [stdout]  --> src/ast.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct FileId(u32);
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Empty` is never constructed
[INFO] [stdout]   --> src/ast.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum Expression {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 46 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` 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 `Prefix` is never constructed
[INFO] [stdout]    --> src/parser.rs:453:5
[INFO] [stdout]     |
[INFO] [stdout] 444 | enum Precedence {
[INFO] [stdout]     |      ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 453 |     Prefix,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Precedence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "221cf94dbbf5c468a3f317823adf51ec29fc36d7fbe641183958d6ef52346bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221cf94dbbf5c468a3f317823adf51ec29fc36d7fbe641183958d6ef52346bbe", kill_on_drop: false }`
[INFO] [stdout] 221cf94dbbf5c468a3f317823adf51ec29fc36d7fbe641183958d6ef52346bbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45cd39f3862f27f42edb57f66453ef30bf8f994a09f60546c601aac16ca7159a
[INFO] running `Command { std: "docker" "start" "-a" "45cd39f3862f27f42edb57f66453ef30bf8f994a09f60546c601aac16ca7159a", kill_on_drop: false }`
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/eval.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             _ => unimplemented!("Not implemented statement: {:?}", statement),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/eval.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout]  95 |             Statement::Empty => {}
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout]  96 |             Statement::Return { value } => {
[INFO] [stdout]     |             --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 103 |             Statement::Let { name, value } => match value {
[INFO] [stdout]     |             ------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 113 |             Statement::Expression { expression } => {
[INFO] [stdout]     |             ------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 178 |             _ => unimplemented!("Not implemented statement: {:?}", statement),
[INFO] [stdout]     |             ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]    --> src/eval.rs:616:9
[INFO] [stdout]     |
[INFO] [stdout] 616 |         expression: &Expression,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/eval.rs:617:9
[INFO] [stdout]     |
[INFO] [stdout] 617 |         args: &[Expression],
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/parser.rs:137:30
[INFO] [stdout]     |
[INFO] [stdout] 137 |             Statement::Let { name, value } => {}
[INFO] [stdout]     |                              ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/parser.rs:137:36
[INFO] [stdout]     |
[INFO] [stdout] 137 |             Statement::Let { name, value } => {}
[INFO] [stdout]     |                                    ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]    --> src/parser.rs:138:37
[INFO] [stdout]     |
[INFO] [stdout] 138 |             Statement::Expression { expression } => {}
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: try ignoring the field: `expression: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileId` is never constructed
[INFO] [stdout]  --> src/ast.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct FileId(u32);
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Empty` is never constructed
[INFO] [stdout]   --> src/ast.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum Expression {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 46 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` 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 `Prefix` is never constructed
[INFO] [stdout]    --> src/parser.rs:453:5
[INFO] [stdout]     |
[INFO] [stdout] 444 | enum Precedence {
[INFO] [stdout]     |      ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 453 |     Prefix,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Precedence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling liexpr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/eval.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             _ => unimplemented!("Not implemented statement: {:?}", statement),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/eval.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout]  95 |             Statement::Empty => {}
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout]  96 |             Statement::Return { value } => {
[INFO] [stdout]     |             --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 103 |             Statement::Let { name, value } => match value {
[INFO] [stdout]     |             ------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 113 |             Statement::Expression { expression } => {
[INFO] [stdout]     |             ------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 178 |             _ => unimplemented!("Not implemented statement: {:?}", statement),
[INFO] [stdout]     |             ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]    --> src/eval.rs:616:9
[INFO] [stdout]     |
[INFO] [stdout] 616 |         expression: &Expression,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/eval.rs:617:9
[INFO] [stdout]     |
[INFO] [stdout] 617 |         args: &[Expression],
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/parser.rs:137:30
[INFO] [stdout]     |
[INFO] [stdout] 137 |             Statement::Let { name, value } => {}
[INFO] [stdout]     |                              ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/parser.rs:137:36
[INFO] [stdout]     |
[INFO] [stdout] 137 |             Statement::Let { name, value } => {}
[INFO] [stdout]     |                                    ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]    --> src/parser.rs:138:37
[INFO] [stdout]     |
[INFO] [stdout] 138 |             Statement::Expression { expression } => {}
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: try ignoring the field: `expression: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileId` is never constructed
[INFO] [stdout]  --> src/ast.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct FileId(u32);
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Empty` is never constructed
[INFO] [stdout]   --> src/ast.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum Expression {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 46 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` 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 `Prefix` is never constructed
[INFO] [stdout]    --> src/parser.rs:453:5
[INFO] [stdout]     |
[INFO] [stdout] 444 | enum Precedence {
[INFO] [stdout]     |      ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 453 |     Prefix,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Precedence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "45cd39f3862f27f42edb57f66453ef30bf8f994a09f60546c601aac16ca7159a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45cd39f3862f27f42edb57f66453ef30bf8f994a09f60546c601aac16ca7159a", kill_on_drop: false }`
[INFO] [stdout] 45cd39f3862f27f42edb57f66453ef30bf8f994a09f60546c601aac16ca7159a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 32a6fbc12683b9dd0ea2ede668e1173382bdebcadffe990e98d64b8991ca9aa7
[INFO] running `Command { std: "docker" "start" "-a" "32a6fbc12683b9dd0ea2ede668e1173382bdebcadffe990e98d64b8991ca9aa7", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/eval.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 |             _ => unimplemented!("Not implemented statement: {:?}", statement),
[INFO] [stderr]     |             ^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]    --> src/eval.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr]  95 |             Statement::Empty => {}
[INFO] [stderr]     |             ---------------- matches some of the same values
[INFO] [stderr]  96 |             Statement::Return { value } => {
[INFO] [stderr]     |             --------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 103 |             Statement::Let { name, value } => match value {
[INFO] [stderr]     |             ------------------------------ matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 113 |             Statement::Expression { expression } => {
[INFO] [stderr]     |             ------------------------------------ matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 178 |             _ => unimplemented!("Not implemented statement: {:?}", statement),
[INFO] [stderr]     |             ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expression`
[INFO] [stderr]    --> src/eval.rs:616:9
[INFO] [stderr]     |
[INFO] [stderr] 616 |         expression: &Expression,
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/eval.rs:617:9
[INFO] [stderr]     |
[INFO] [stderr] 617 |         args: &[Expression],
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/parser.rs:137:30
[INFO] [stderr]     |
[INFO] [stderr] 137 |             Statement::Let { name, value } => {}
[INFO] [stderr]     |                              ^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/parser.rs:137:36
[INFO] [stderr]     |
[INFO] [stderr] 137 |             Statement::Let { name, value } => {}
[INFO] [stderr]     |                                    ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expression`
[INFO] [stderr]    --> src/parser.rs:138:37
[INFO] [stderr]     |
[INFO] [stderr] 138 |             Statement::Expression { expression } => {}
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: try ignoring the field: `expression: _`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FileId` is never constructed
[INFO] [stderr]  --> src/ast.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct FileId(u32);
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Empty` is never constructed
[INFO] [stderr]   --> src/ast.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub enum Expression {
[INFO] [stderr]    |          ---------- variant in this enum
[INFO] [stderr] 46 |     Empty,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Expression` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Prefix` is never constructed
[INFO] [stderr]    --> src/parser.rs:453:5
[INFO] [stderr]     |
[INFO] [stderr] 444 | enum Precedence {
[INFO] [stderr]     |      ---------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 453 |     Prefix,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Precedence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `liexpr` (lib) generated 9 warnings
[INFO] [stderr] warning: `liexpr` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/liexpr-8c28e81b5859b814)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test eval::tests::test_eval_boolean_expression ... ok
[INFO] [stdout] test eval::tests::test_eval_expression ... ok
[INFO] [stdout] test eval::tests::test_eval_integer_expression ... ok
[INFO] [stdout] test eval::tests::test_eval ... ok
[INFO] [stdout] test eval::tests::test_eval_binary_expression ... ok
[INFO] [stdout] test parser::tests::test_parse_block_statement ... ok
[INFO] [stdout] test parser::tests::test_parse_expression ... ok
[INFO] [stdout] test parser::tests::test_parse_postfix ... ok
[INFO] [stdout] test tokenizer::tests::test_tokenizer ... ok
[INFO] [stdout] test parser::tests::test_parser ... ok
[INFO] [stdout] test parser::tests::test_parse_prefix ... ok
[INFO] [stdout] test tokenizer::tests::test_tokenizer_string ... ok
[INFO] [stdout] test parser::tests::test_parse_statement ... ok
[INFO] [stdout] test eval::tests::test_eval_prefix_expression ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests liexpr
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/eval.rs - eval::eval_expr (line 35) ... ok
[INFO] [stdout] test src/eval.rs - eval::eval (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "32a6fbc12683b9dd0ea2ede668e1173382bdebcadffe990e98d64b8991ca9aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a6fbc12683b9dd0ea2ede668e1173382bdebcadffe990e98d64b8991ca9aa7", kill_on_drop: false }`
[INFO] [stdout] 32a6fbc12683b9dd0ea2ede668e1173382bdebcadffe990e98d64b8991ca9aa7
