[INFO] cloning repository https://github.com/bwhetherington/toy-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bwhetherington/toy-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwhetherington%2Ftoy-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwhetherington%2Ftoy-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0179f440b0c40fc664553f0008707dceb1b88819
[INFO] testing bwhetherington/toy-lang against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwhetherington%2Ftoy-lang" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bwhetherington/toy-lang on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bwhetherington/toy-lang
[INFO] finished tweaking git repo https://github.com/bwhetherington/toy-lang
[INFO] tweaked toml for git repo https://github.com/bwhetherington/toy-lang written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/bwhetherington/toy-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peg-macros v0.7.0
[INFO] [stderr]   Downloaded peg-runtime v0.7.0
[INFO] [stderr]   Downloaded peg v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19ad10c55656ffa91fb18e0fc8c961b374db54bb9644564a2723ad6a14cfe613
[INFO] running `Command { std: "docker" "start" "-a" "19ad10c55656ffa91fb18e0fc8c961b374db54bb9644564a2723ad6a14cfe613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19ad10c55656ffa91fb18e0fc8c961b374db54bb9644564a2723ad6a14cfe613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19ad10c55656ffa91fb18e0fc8c961b374db54bb9644564a2723ad6a14cfe613", kill_on_drop: false }`
[INFO] [stdout] 19ad10c55656ffa91fb18e0fc8c961b374db54bb9644564a2723ad6a14cfe613
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fe7fe4b819348d2b3693b64a53530b2110abccce1a73003253b087744e8d489
[INFO] running `Command { std: "docker" "start" "-a" "6fe7fe4b819348d2b3693b64a53530b2110abccce1a73003253b087744e8d489", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling const_fn v0.4.7
[INFO] [stderr]    Compiling peg-runtime v0.7.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling peg-macros v0.7.0
[INFO] [stderr]    Compiling peg v0.7.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling rscript2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/runtime/engine.rs:103:1
[INFO] [stdout]     |
[INFO] [stdout] 103 | / macro_rules! object {
[INFO] [stdout] 104 | |     ($engine:expr, {$($field:ident : $value:expr),*}) => {{
[INFO] [stdout] 105 | |         use $crate::runtime::{ptr, Engine, Object, Value};
[INFO] [stdout] 106 | |         let mut obj = Object::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 115 | |     }};
[INFO] [stdout] 116 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/module/file.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new() -> FileLoader {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_relative`
[INFO] [stdout]   --> src/module/resolve.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn is_relative(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_object_proto`
[INFO] [stdout]    --> src/runtime/engine.rs:559:8
[INFO] [stdout]     |
[INFO] [stdout] 559 |     fn get_object_proto(&self) -> TLResult<Ptr<Object>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/runtime/engine.rs:103:1
[INFO] [stdout]     |
[INFO] [stdout] 103 | / macro_rules! object {
[INFO] [stdout] 104 | |     ($engine:expr, {$($field:ident : $value:expr),*}) => {{
[INFO] [stdout] 105 | |         use $crate::runtime::{ptr, Engine, Object, Value};
[INFO] [stdout] 106 | |         let mut obj = Object::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 115 | |     }};
[INFO] [stdout] 116 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_relative`
[INFO] [stdout]   --> src/module/resolve.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn is_relative(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_object_proto`
[INFO] [stdout]    --> src/runtime/engine.rs:559:8
[INFO] [stdout]     |
[INFO] [stdout] 559 |     fn get_object_proto(&self) -> TLResult<Ptr<Object>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `noop_engine`
[INFO] [stdout]    --> src/runtime/mod.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub fn noop_engine() -> Engine {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.34s
[INFO] running `Command { std: "docker" "inspect" "6fe7fe4b819348d2b3693b64a53530b2110abccce1a73003253b087744e8d489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe7fe4b819348d2b3693b64a53530b2110abccce1a73003253b087744e8d489", kill_on_drop: false }`
[INFO] [stdout] 6fe7fe4b819348d2b3693b64a53530b2110abccce1a73003253b087744e8d489
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 696a2a306e6dc1da47625c658b86cab8af96b5b00356c351793a8ce8f762574c
[INFO] running `Command { std: "docker" "start" "-a" "696a2a306e6dc1da47625c658b86cab8af96b5b00356c351793a8ce8f762574c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rscript2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/runtime/engine.rs:103:1
[INFO] [stdout]     |
[INFO] [stdout] 103 | / macro_rules! object {
[INFO] [stdout] 104 | |     ($engine:expr, {$($field:ident : $value:expr),*}) => {{
[INFO] [stdout] 105 | |         use $crate::runtime::{ptr, Engine, Object, Value};
[INFO] [stdout] 106 | |         let mut obj = Object::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 115 | |     }};
[INFO] [stdout] 116 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/module/file.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new() -> FileLoader {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_relative`
[INFO] [stdout]   --> src/module/resolve.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn is_relative(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_object_proto`
[INFO] [stdout]    --> src/runtime/engine.rs:559:8
[INFO] [stdout]     |
[INFO] [stdout] 559 |     fn get_object_proto(&self) -> TLResult<Ptr<Object>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/runtime/engine.rs:103:1
[INFO] [stdout]     |
[INFO] [stdout] 103 | / macro_rules! object {
[INFO] [stdout] 104 | |     ($engine:expr, {$($field:ident : $value:expr),*}) => {{
[INFO] [stdout] 105 | |         use $crate::runtime::{ptr, Engine, Object, Value};
[INFO] [stdout] 106 | |         let mut obj = Object::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 115 | |     }};
[INFO] [stdout] 116 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/runtime/engine.rs:103:1
[INFO] [stdout]     |
[INFO] [stdout] 103 | / macro_rules! object {
[INFO] [stdout] 104 | |     ($engine:expr, {$($field:ident : $value:expr),*}) => {{
[INFO] [stdout] 105 | |         use $crate::runtime::{ptr, Engine, Object, Value};
[INFO] [stdout] 106 | |         let mut obj = Object::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 115 | |     }};
[INFO] [stdout] 116 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/module/file.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new() -> FileLoader {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_relative`
[INFO] [stdout]   --> src/module/resolve.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn is_relative(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_object_proto`
[INFO] [stdout]    --> src/runtime/engine.rs:559:8
[INFO] [stdout]     |
[INFO] [stdout] 559 |     fn get_object_proto(&self) -> TLResult<Ptr<Object>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_relative`
[INFO] [stdout]   --> src/module/resolve.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn is_relative(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_object_proto`
[INFO] [stdout]    --> src/runtime/engine.rs:559:8
[INFO] [stdout]     |
[INFO] [stdout] 559 |     fn get_object_proto(&self) -> TLResult<Ptr<Object>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `noop_engine`
[INFO] [stdout]    --> src/runtime/mod.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub fn noop_engine() -> Engine {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "696a2a306e6dc1da47625c658b86cab8af96b5b00356c351793a8ce8f762574c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "696a2a306e6dc1da47625c658b86cab8af96b5b00356c351793a8ce8f762574c", kill_on_drop: false }`
[INFO] [stdout] 696a2a306e6dc1da47625c658b86cab8af96b5b00356c351793a8ce8f762574c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1f7742963e4dc90e302c7aece8317539b32b3e969c1da94db1e63d6935b3a292
[INFO] running `Command { std: "docker" "start" "-a" "1f7742963e4dc90e302c7aece8317539b32b3e969c1da94db1e63d6935b3a292", kill_on_drop: false }`
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/runtime/engine.rs:103:1
[INFO] [stderr]     |
[INFO] [stderr] 103 | / macro_rules! object {
[INFO] [stderr] 104 | |     ($engine:expr, {$($field:ident : $value:expr),*}) => {{
[INFO] [stderr] 105 | |         use $crate::runtime::{ptr, Engine, Object, Value};
[INFO] [stderr] 106 | |         let mut obj = Object::new();
[INFO] [stderr] ...   |
[INFO] [stderr] 115 | |     }};
[INFO] [stderr] 116 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/module/file.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn new() -> FileLoader {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_relative`
[INFO] [stderr]   --> src/module/resolve.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn is_relative(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_object_proto`
[INFO] [stderr]    --> src/runtime/engine.rs:559:8
[INFO] [stderr]     |
[INFO] [stderr] 559 |     fn get_object_proto(&self) -> TLResult<Ptr<Object>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rscript2` (lib) generated 4 warnings
[INFO] [stderr] warning: `rscript2` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: associated function is never used: `is_relative`
[INFO] [stderr]   --> src/module/resolve.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn is_relative(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `noop_engine`
[INFO] [stderr]    --> src/runtime/mod.rs:148:8
[INFO] [stderr]     |
[INFO] [stderr] 148 | pub fn noop_engine() -> Engine {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rscript2` (bin "rscript2" test) generated 4 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rscript2-06f4dd95e3714ddb)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rscript2-6b02cd51084776cd)
[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] [stderr]    Doc-tests rscript2
[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" "1f7742963e4dc90e302c7aece8317539b32b3e969c1da94db1e63d6935b3a292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f7742963e4dc90e302c7aece8317539b32b3e969c1da94db1e63d6935b3a292", kill_on_drop: false }`
[INFO] [stdout] 1f7742963e4dc90e302c7aece8317539b32b3e969c1da94db1e63d6935b3a292