[INFO] cloning repository https://github.com/anna-hope/rusty-monkey-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anna-hope/rusty-monkey-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanna-hope%2Frusty-monkey-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanna-hope%2Frusty-monkey-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6ce968be63902395bfeef1916fdd219e497a8cb
[INFO] checking anna-hope/rusty-monkey-interpreter against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanna-hope%2Frusty-monkey-interpreter" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/anna-hope/rusty-monkey-interpreter
[INFO] finished tweaking git repo https://github.com/anna-hope/rusty-monkey-interpreter
[INFO] tweaked toml for git repo https://github.com/anna-hope/rusty-monkey-interpreter written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/anna-hope/rusty-monkey-interpreter on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/anna-hope/rusty-monkey-interpreter 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 734e54865c0099335e36eec684dec905b73cfbc19b2311e9a579a61d4bc4d380
[INFO] running `Command { std: "docker" "start" "-a" "734e54865c0099335e36eec684dec905b73cfbc19b2311e9a579a61d4bc4d380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "734e54865c0099335e36eec684dec905b73cfbc19b2311e9a579a61d4bc4d380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734e54865c0099335e36eec684dec905b73cfbc19b2311e9a579a61d4bc4d380", kill_on_drop: false }`
[INFO] [stdout] 734e54865c0099335e36eec684dec905b73cfbc19b2311e9a579a61d4bc4d380
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce7ba53286e0735e58f53d3e1ff991adff00a34c14fa08326d25e21a9a06df54
[INFO] running `Command { std: "docker" "start" "-a" "ce7ba53286e0735e58f53d3e1ff991adff00a34c14fa08326d25e21a9a06df54", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]     Checking interpreter v0.1.0 (/opt/rustwide/workdir/interpreter)
[INFO] [stdout] warning: trait `Node` is never used
[INFO] [stdout]  --> interpreter/src/ast.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Node: Display {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expression` is never used
[INFO] [stdout]    --> interpreter/src/ast.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | impl Expression {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] 137 |     fn expression(&self) {}
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking repl v0.1.0 (/opt/rustwide/workdir/repl)
[INFO] [stdout] warning: method `expression` is never used
[INFO] [stdout]    --> interpreter/src/ast.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | impl Expression {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] 137 |     fn expression(&self) {}
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking monkey v0.1.0 (/opt/rustwide/workdir/monkey)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.38s
[INFO] running `Command { std: "docker" "inspect" "ce7ba53286e0735e58f53d3e1ff991adff00a34c14fa08326d25e21a9a06df54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce7ba53286e0735e58f53d3e1ff991adff00a34c14fa08326d25e21a9a06df54", kill_on_drop: false }`
[INFO] [stdout] ce7ba53286e0735e58f53d3e1ff991adff00a34c14fa08326d25e21a9a06df54