[INFO] fetching crate wander 0.5.0...
[INFO] checking wander-0.5.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate wander 0.5.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate wander 0.5.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wander 0.5.0
[INFO] finished tweaking crates.io crate wander 0.5.0
[INFO] tweaked toml for crates.io crate wander 0.5.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding logos v0.13.0 (latest: v0.14.1)
[INFO] [stderr]       Adding logos-codegen v0.13.0 (latest: v0.14.1)
[INFO] [stderr]       Adding logos-derive v0.13.0 (latest: v0.14.1)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded archery v1.2.1
[INFO] [stderr]   Downloaded rpds v1.1.0
[INFO] [stderr]   Downloaded logos-derive v0.13.0
[INFO] [stderr]   Downloaded gaze v0.5.0
[INFO] [stderr]   Downloaded logos-codegen v0.13.0
[INFO] [stderr]   Downloaded logos v0.13.0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c55eab993ad50af8e40a1e4ef33e50bffcc50b4b078b82198dd32117dfb4525
[INFO] running `Command { std: "docker" "start" "-a" "0c55eab993ad50af8e40a1e4ef33e50bffcc50b4b078b82198dd32117dfb4525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c55eab993ad50af8e40a1e4ef33e50bffcc50b4b078b82198dd32117dfb4525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c55eab993ad50af8e40a1e4ef33e50bffcc50b4b078b82198dd32117dfb4525", kill_on_drop: false }`
[INFO] [stdout] 0c55eab993ad50af8e40a1e4ef33e50bffcc50b4b078b82198dd32117dfb4525
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d3d9c1c1cabcfabbe0c2281a2096c887befb8e119ac269fffb83db984a950df
[INFO] running `Command { std: "docker" "start" "-a" "2d3d9c1c1cabcfabbe0c2281a2096c887befb8e119ac269fffb83db984a950df", kill_on_drop: false }`
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]     Checking triomphe v0.1.13
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking gaze v0.5.0
[INFO] [stderr]     Checking archery v1.2.1
[INFO] [stderr]     Checking rpds v1.1.0
[INFO] [stderr]    Compiling logos-codegen v0.13.0
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]    Compiling logos-derive v0.13.0
[INFO] [stderr]     Checking logos v0.13.0
[INFO] [stderr]     Checking wander v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/environment.rs:85:25
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     let p = parameters.clone();
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/environment.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 let p = parameters.clone();
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/environment.rs:85:25
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     let p = parameters.clone();
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/environment.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 let p = parameters.clone();
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wander_type`
[INFO] [stdout]    --> src/interpreter.rs:120:16
[INFO] [stdout]     |
[INFO] [stdout] 120 |     for (name, wander_type) in params {
[INFO] [stdout]     |                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wander_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/interpreter.rs:306:44
[INFO] [stdout]     |
[INFO] [stdout] 306 |                     WanderValue::Lambda(p, i, o, b) => {
[INFO] [stdout]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]    --> src/interpreter.rs:306:47
[INFO] [stdout]     |
[INFO] [stdout] 306 |                     WanderValue::Lambda(p, i, o, b) => {
[INFO] [stdout]     |                                               ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/interpreter.rs:371:32
[INFO] [stdout]     |
[INFO] [stdout] 371 |         WanderValue::HostValue(value) => todo!(),
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]    --> src/interpreter.rs:388:5
[INFO] [stdout]     |
[INFO] [stdout] 388 |     tag: Option<Expression>,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]    --> src/interpreter.rs:418:5
[INFO] [stdout]     |
[INFO] [stdout] 418 |     tag: &Expression,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wander_type`
[INFO] [stdout]    --> src/interpreter.rs:120:16
[INFO] [stdout]     |
[INFO] [stdout] 120 |     for (name, wander_type) in params {
[INFO] [stdout]     |                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wander_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/interpreter.rs:306:44
[INFO] [stdout]     |
[INFO] [stdout] 306 |                     WanderValue::Lambda(p, i, o, b) => {
[INFO] [stdout]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]    --> src/interpreter.rs:306:47
[INFO] [stdout]     |
[INFO] [stdout] 306 |                     WanderValue::Lambda(p, i, o, b) => {
[INFO] [stdout]     |                                               ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/interpreter.rs:371:32
[INFO] [stdout]     |
[INFO] [stdout] 371 |         WanderValue::HostValue(value) => todo!(),
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]    --> src/interpreter.rs:388:5
[INFO] [stdout]     |
[INFO] [stdout] 388 |     tag: Option<Expression>,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]    --> src/interpreter.rs:418:5
[INFO] [stdout]     |
[INFO] [stdout] 418 |     tag: &Expression,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `type_checker` is never read
[INFO] [stdout]   --> src/environment.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Environment<T: HostType> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     type_checker: Box<dyn TypeChecker<T>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `call_function` is never used
[INFO] [stdout]    --> src/interpreter.rs:462:4
[INFO] [stdout]     |
[INFO] [stdout] 462 | fn call_function<T: HostType + Display>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `type_checker` is never read
[INFO] [stdout]   --> src/environment.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Environment<T: HostType> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     type_checker: Box<dyn TypeChecker<T>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `call_function` is never used
[INFO] [stdout]    --> src/interpreter.rs:462:4
[INFO] [stdout]     |
[INFO] [stdout] 462 | fn call_function<T: HostType + Display>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `empty_transform` is never used
[INFO] [stdout]   --> tests/token_transform_test.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn empty_transform(_input: &[Token]) -> Result<Vec<Token>, WanderError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `empty_transformer_no_input_test` is never used
[INFO] [stdout]   --> tests/token_transform_test.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn empty_transformer_no_input_test() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SayHello` is never constructed
[INFO] [stdout]   --> tests/host_value_tests.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct SayHello {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eval_host_value` is never used
[INFO] [stdout]   --> tests/host_value_tests.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn eval_host_value() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nested_record` is never used
[INFO] [stdout]   --> tests/records_tests.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn nested_record() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `introspect_str` is never used
[INFO] [stdout]   --> tests/utilities.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn introspect_str(input: &str) -> Introspection {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wander::parser::Element`
[INFO] [stdout]  --> tests/when_tests.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use wander::parser::Element;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utilities::parse_str`
[INFO] [stdout]  --> tests/when_tests.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::utilities::parse_str;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_str` is never used
[INFO] [stdout]  --> tests/utilities.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn parse_str(input: &str) -> Element {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_when` is never used
[INFO] [stdout]   --> tests/when_tests.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn parse_when() {}
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_when_is` is never used
[INFO] [stdout]   --> tests/when_tests.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn parse_when_is() {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_str` is never used
[INFO] [stdout]  --> tests/utilities.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn parse_str(input: &str) -> Element {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `introspect_str` is never used
[INFO] [stdout]   --> tests/utilities.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn introspect_str(input: &str) -> Introspection {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.65s
[INFO] running `Command { std: "docker" "inspect" "2d3d9c1c1cabcfabbe0c2281a2096c887befb8e119ac269fffb83db984a950df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d3d9c1c1cabcfabbe0c2281a2096c887befb8e119ac269fffb83db984a950df", kill_on_drop: false }`
[INFO] [stdout] 2d3d9c1c1cabcfabbe0c2281a2096c887befb8e119ac269fffb83db984a950df