[INFO] fetching crate monkeyinterpreter 0.2.0...
[INFO] checking monkeyinterpreter-0.2.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate monkeyinterpreter 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate monkeyinterpreter 0.2.0 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 monkeyinterpreter 0.2.0
[INFO] finished tweaking crates.io crate monkeyinterpreter 0.2.0
[INFO] tweaked toml for crates.io crate monkeyinterpreter 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate monkeyinterpreter 0.2.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3e311e6768d9c6826b9037dc93cdbde4ce0c5dcfd3d509894d100ecc35480f4d
[INFO] running `Command { std: "docker" "start" "-a" "3e311e6768d9c6826b9037dc93cdbde4ce0c5dcfd3d509894d100ecc35480f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e311e6768d9c6826b9037dc93cdbde4ce0c5dcfd3d509894d100ecc35480f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e311e6768d9c6826b9037dc93cdbde4ce0c5dcfd3d509894d100ecc35480f4d", kill_on_drop: false }`
[INFO] [stdout] 3e311e6768d9c6826b9037dc93cdbde4ce0c5dcfd3d509894d100ecc35480f4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0d22af6b9e66c86a80a5e0d18d2f43820c61adb4ace606f4e68dec3dea5fcc35
[INFO] running `Command { std: "docker" "start" "-a" "0d22af6b9e66c86a80a5e0d18d2f43820c61adb4ace606f4e68dec3dea5fcc35", kill_on_drop: false }`
[INFO] [stderr]     Checking monkeyinterpreter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]   --> src/ast.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct Identifier {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 75 |     pub token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 99  | pub struct IntegerLiteral {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] 100 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub struct StringLiteral {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 125 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub struct ArrayLiteral {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 150 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 168 | pub struct HashLiteral {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 169 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 187 | pub struct IndexExpression {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 188 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct Boolean {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 200 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 221 | pub struct CallExpression {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] 222 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 253 | pub struct InfixExpression {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 254 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 277 | pub struct BlockStatement {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] 278 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 316 | pub struct IfExpression {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 317 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast.rs:381:9
[INFO] [stdout]     |
[INFO] [stdout] 380 | pub struct ExpressionStatement {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] 381 |     pub token: Token, // the first token of the expression
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub struct StringLiteral {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 125 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub struct ArrayLiteral {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 150 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 168 | pub struct HashLiteral {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 169 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 187 | pub struct IndexExpression {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 188 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct Boolean {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 200 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 221 | pub struct CallExpression {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] 222 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 253 | pub struct InfixExpression {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 254 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 277 | pub struct BlockStatement {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] 278 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 316 | pub struct IfExpression {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 317 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "0d22af6b9e66c86a80a5e0d18d2f43820c61adb4ace606f4e68dec3dea5fcc35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d22af6b9e66c86a80a5e0d18d2f43820c61adb4ace606f4e68dec3dea5fcc35", kill_on_drop: false }`
[INFO] [stdout] 0d22af6b9e66c86a80a5e0d18d2f43820c61adb4ace606f4e68dec3dea5fcc35