[INFO] cloning repository https://github.com/ABorse/ProgLang18
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ABorse/ProgLang18" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FABorse%2FProgLang18", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FABorse%2FProgLang18'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bdf1dc4a524a35dff652f36037009f45d6b388c
[INFO] testing ABorse/ProgLang18 against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FABorse%2FProgLang18" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ABorse/ProgLang18 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ABorse/ProgLang18
[INFO] finished tweaking git repo https://github.com/ABorse/ProgLang18
[INFO] tweaked toml for git repo https://github.com/ABorse/ProgLang18 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ABorse/ProgLang18 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfce9db219be90fd06d981542c4cc2f9734deae3b125aaaeb34ba281b171eb8d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dfce9db219be90fd06d981542c4cc2f9734deae3b125aaaeb34ba281b171eb8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfce9db219be90fd06d981542c4cc2f9734deae3b125aaaeb34ba281b171eb8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfce9db219be90fd06d981542c4cc2f9734deae3b125aaaeb34ba281b171eb8d", kill_on_drop: false }`
[INFO] [stdout] dfce9db219be90fd06d981542c4cc2f9734deae3b125aaaeb34ba281b171eb8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7afb03eeb520491b9ac4f5a4452e7ce642fa8347eaa14659d4f50f4581dbc7af
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7afb03eeb520491b9ac4f5a4452e7ce642fa8347eaa14659d4f50f4581dbc7af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling updated_scheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/parser.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn parse_conditional(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
[INFO] [stdout]   |                      ----^^^^^^
[INFO] [stdout]   |                      |
[INFO] [stdout]   |                      help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn parse_compound(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
[INFO] [stdout]    |                   ----^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:86:14
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn parse(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
[INFO] [stdout]    |              ----^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/environment_parser.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn parse_to_environment(mut v: &mut Vec<Token>) -> Environment {
[INFO] [stdout]   |                             ----^
[INFO] [stdout]   |                             |
[INFO] [stdout]   |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/environment_parser.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut hash: HashMap<String,Expression> = HashMap::new();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "7afb03eeb520491b9ac4f5a4452e7ce642fa8347eaa14659d4f50f4581dbc7af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7afb03eeb520491b9ac4f5a4452e7ce642fa8347eaa14659d4f50f4581dbc7af", kill_on_drop: false }`
[INFO] [stdout] 7afb03eeb520491b9ac4f5a4452e7ce642fa8347eaa14659d4f50f4581dbc7af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87c1eea7f6b4154582b331d82371205c595c97c70ab84e0da16ce0c6ad855732
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "87c1eea7f6b4154582b331d82371205c595c97c70ab84e0da16ce0c6ad855732", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/parser.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn parse_conditional(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
[INFO] [stdout]   |                      ----^^^^^^
[INFO] [stdout]   |                      |
[INFO] [stdout]   |                      help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling updated_scheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn parse_compound(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
[INFO] [stdout]    |                   ----^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:86:14
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn parse(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
[INFO] [stdout]    |              ----^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/environment_parser.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn parse_to_environment(mut v: &mut Vec<Token>) -> Environment {
[INFO] [stdout]   |                             ----^
[INFO] [stdout]   |                             |
[INFO] [stdout]   |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/environment_parser.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut hash: HashMap<String,Expression> = HashMap::new();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> tests/test_interpreter.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/parser.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn parse_conditional(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
[INFO] [stdout]   |                      ----^^^^^^
[INFO] [stdout]   |                      |
[INFO] [stdout]   |                      help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn parse_compound(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
[INFO] [stdout]    |                   ----^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:86:14
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn parse(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
[INFO] [stdout]    |              ----^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/environment_parser.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn parse_to_environment(mut v: &mut Vec<Token>) -> Environment {
[INFO] [stdout]   |                             ----^
[INFO] [stdout]   |                             |
[INFO] [stdout]   |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/environment_parser.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut hash: HashMap<String,Expression> = HashMap::new();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "87c1eea7f6b4154582b331d82371205c595c97c70ab84e0da16ce0c6ad855732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c1eea7f6b4154582b331d82371205c595c97c70ab84e0da16ce0c6ad855732", kill_on_drop: false }`
[INFO] [stdout] 87c1eea7f6b4154582b331d82371205c595c97c70ab84e0da16ce0c6ad855732
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6ac2fd4402cc62094c2bd47914108f5645bf02ef503f87a8f2044f4dc90b1784
[INFO] running `Command { std: "docker" "start" "-a" "6ac2fd4402cc62094c2bd47914108f5645bf02ef503f87a8f2044f4dc90b1784", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/parser.rs:8:22
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn parse_conditional(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
[INFO] [stderr]   |                      ----^^^^^^
[INFO] [stderr]   |                      |
[INFO] [stderr]   |                      help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:45:19
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn parse_compound(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
[INFO] [stderr]    |                   ----^^^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:86:14
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub fn parse(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
[INFO] [stderr]    |              ----^^^^^^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/environment_parser.rs:8:29
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn parse_to_environment(mut v: &mut Vec<Token>) -> Environment {
[INFO] [stderr]   |                             ----^
[INFO] [stderr]   |                             |
[INFO] [stderr]   |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/environment_parser.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut hash: HashMap<String,Expression> = HashMap::new();
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/parser.rs:8:22
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn parse_conditional(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
[INFO] [stderr]   |                      ----^^^^^^
[INFO] [stderr]   |                      |
[INFO] [stderr]   |                      help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:45:19
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn parse_compound(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
[INFO] [stderr]    |                   ----^^^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:86:14
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub fn parse(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
[INFO] [stderr]    |              ----^^^^^^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/environment_parser.rs:8:29
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn parse_to_environment(mut v: &mut Vec<Token>) -> Environment {
[INFO] [stderr]   |                             ----^
[INFO] [stderr]   |                             |
[INFO] [stderr]   |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/environment_parser.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut hash: HashMap<String,Expression> = HashMap::new();
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> tests/test_interpreter.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/updated_scheme-933e955a66e062f0
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/updated_scheme-0fe76f84f59648b7
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_evaluator-632bd10bfcf17074
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_interpret_tree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_interpreter-0278073f0e353340
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_floating_point_1 ... ok
[INFO] [stdout] test test_negative_number ... ok
[INFO] [stdout] test test_single_number ... ok
[INFO] [stdout] test test_with_multiple_variable_string ... ok
[INFO] [stdout] test test_floating_point_2 ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_lexer-77e28dbcdf31fc89
[INFO] [stdout] test test_simple_evaluation ... ok
[INFO] [stdout] test test_multiple_parens ... ok
[INFO] [stdout] test test_with_environment_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_predicate-9f77b846e272869b
[INFO] [stdout] test test_lexer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests updated_scheme
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_with_multiple_variable_string ... ok
[INFO] [stdout] test test_raw_predicate ... ok
[INFO] [stdout] test test_predicate_4 ... ok
[INFO] [stdout] test test_predicate_3 ... ok
[INFO] [stdout] test test_predicate_2 ... ok
[INFO] [stdout] test test_predicate_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6ac2fd4402cc62094c2bd47914108f5645bf02ef503f87a8f2044f4dc90b1784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac2fd4402cc62094c2bd47914108f5645bf02ef503f87a8f2044f4dc90b1784", kill_on_drop: false }`
[INFO] [stdout] 6ac2fd4402cc62094c2bd47914108f5645bf02ef503f87a8f2044f4dc90b1784
