[INFO] cloning repository https://github.com/jimiherk/maths-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jimiherk/maths-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimiherk%2Fmaths-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimiherk%2Fmaths-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51f199896d7fc9cf44e965f199a2198c24ce4478
[INFO] testing jimiherk/maths-lang against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimiherk%2Fmaths-lang" "/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/jimiherk/maths-lang
[INFO] finished tweaking git repo https://github.com/jimiherk/maths-lang
[INFO] tweaked toml for git repo https://github.com/jimiherk/maths-lang written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jimiherk/maths-lang on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jimiherk/maths-lang 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" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0575593ee2cff22b6cf8bf50fc913fa4e4025525c4e64443fd07ea29fc8c82eb
[INFO] running `Command { std: "docker" "start" "-a" "0575593ee2cff22b6cf8bf50fc913fa4e4025525c4e64443fd07ea29fc8c82eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0575593ee2cff22b6cf8bf50fc913fa4e4025525c4e64443fd07ea29fc8c82eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0575593ee2cff22b6cf8bf50fc913fa4e4025525c4e64443fd07ea29fc8c82eb", kill_on_drop: false }`
[INFO] [stdout] 0575593ee2cff22b6cf8bf50fc913fa4e4025525c4e64443fd07ea29fc8c82eb
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1991b21aad4776da7cf6aabdbb19b1f4b645879adfae8e0cd78bad21b8be6d75
[INFO] running `Command { std: "docker" "start" "-a" "1991b21aad4776da7cf6aabdbb19b1f4b645879adfae8e0cd78bad21b8be6d75", kill_on_drop: false }`
[INFO] [stderr]    Compiling maths-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/evaluator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/evaluator.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/evaluator.rs:52:68
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn eval_function_call(&self, name: String, args: Vec<Node>) -> (Node) {
[INFO] [stdout]    |                                                                    ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 52 -     fn eval_function_call(&self, name: String, args: Vec<Node>) -> (Node) {
[INFO] [stdout] 52 +     fn eval_function_call(&self, name: String, args: Vec<Node>) -> Node {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/evaluator.rs:106:31
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn eval_assignment(&self, name: String, value: Node) -> Node {
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "1991b21aad4776da7cf6aabdbb19b1f4b645879adfae8e0cd78bad21b8be6d75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1991b21aad4776da7cf6aabdbb19b1f4b645879adfae8e0cd78bad21b8be6d75", kill_on_drop: false }`
[INFO] [stdout] 1991b21aad4776da7cf6aabdbb19b1f4b645879adfae8e0cd78bad21b8be6d75
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da8c2f7452b53fa5951efe48b5a1b917a77d9a5fd5c2213fdc5511de5ff9f970
[INFO] running `Command { std: "docker" "start" "-a" "da8c2f7452b53fa5951efe48b5a1b917a77d9a5fd5c2213fdc5511de5ff9f970", kill_on_drop: false }`
[INFO] [stderr]    Compiling maths-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/evaluator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/evaluator.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/evaluator.rs:52:68
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn eval_function_call(&self, name: String, args: Vec<Node>) -> (Node) {
[INFO] [stdout]    |                                                                    ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 52 -     fn eval_function_call(&self, name: String, args: Vec<Node>) -> (Node) {
[INFO] [stdout] 52 +     fn eval_function_call(&self, name: String, args: Vec<Node>) -> Node {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/evaluator.rs:106:31
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn eval_assignment(&self, name: String, value: Node) -> Node {
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "da8c2f7452b53fa5951efe48b5a1b917a77d9a5fd5c2213fdc5511de5ff9f970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da8c2f7452b53fa5951efe48b5a1b917a77d9a5fd5c2213fdc5511de5ff9f970", kill_on_drop: false }`
[INFO] [stdout] da8c2f7452b53fa5951efe48b5a1b917a77d9a5fd5c2213fdc5511de5ff9f970
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e5198eb9601498061c362bae4170e2b73a67734b4181eee2fc8178aa0523d83
[INFO] running `Command { std: "docker" "start" "-a" "5e5198eb9601498061c362bae4170e2b73a67734b4181eee2fc8178aa0523d83", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/evaluator.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::hash::Hash`
[INFO] [stderr]  --> src/evaluator.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::hash::Hash;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/evaluator.rs:52:68
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn eval_function_call(&self, name: String, args: Vec<Node>) -> (Node) {
[INFO] [stderr]    |                                                                    ^    ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 52 -     fn eval_function_call(&self, name: String, args: Vec<Node>) -> (Node) {
[INFO] [stderr] 52 +     fn eval_function_call(&self, name: String, args: Vec<Node>) -> Node {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/evaluator.rs:106:31
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn eval_assignment(&self, name: String, value: Node) -> Node {
[INFO] [stderr]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `maths-lang` (bin "maths-lang" test) generated 4 warnings (run `cargo fix --bin "maths-lang" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/maths_lang-07e8aee424da2b92)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e5198eb9601498061c362bae4170e2b73a67734b4181eee2fc8178aa0523d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e5198eb9601498061c362bae4170e2b73a67734b4181eee2fc8178aa0523d83", kill_on_drop: false }`
[INFO] [stdout] 5e5198eb9601498061c362bae4170e2b73a67734b4181eee2fc8178aa0523d83