[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] checking bwhetherington/toy-lang against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwhetherington%2Ftoy-lang" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bwhetherington/toy-lang on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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-6-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peg v0.7.0
[INFO] [stderr]   Downloaded peg-macros v0.7.0
[INFO] [stderr]   Downloaded const_fn v0.4.7
[INFO] [stderr]   Downloaded peg-runtime v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31449a84d63f960f800786960575b3fe799a9d2c279c7d2541418e3a068e05b5
[INFO] running `Command { std: "docker" "start" "-a" "31449a84d63f960f800786960575b3fe799a9d2c279c7d2541418e3a068e05b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31449a84d63f960f800786960575b3fe799a9d2c279c7d2541418e3a068e05b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31449a84d63f960f800786960575b3fe799a9d2c279c7d2541418e3a068e05b5", kill_on_drop: false }`
[INFO] [stdout] 31449a84d63f960f800786960575b3fe799a9d2c279c7d2541418e3a068e05b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7e88eb2a1b2a798a1822522b3dd6b75225b94095656d08f07cf58d7000d2ba0
[INFO] running `Command { std: "docker" "start" "-a" "a7e88eb2a1b2a798a1822522b3dd6b75225b94095656d08f07cf58d7000d2ba0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling libc v0.2.93
[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]     Checking peg v0.7.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking rscript2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `file::FileLoader`
[INFO] [stdout]  --> src/module/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use file::FileLoader;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `file::FileLoader`
[INFO] [stdout]  --> src/module/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use file::FileLoader;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expr`
[INFO] [stdout]  --> src/parser/mod.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     parser::{expr, module},
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `object`
[INFO] [stdout]    --> src/runtime/engine.rs:103:14
[INFO] [stdout]     |
[INFO] [stdout] 103 | macro_rules! object {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EngineState`
[INFO] [stdout]   --> src/runtime/mod.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use engine::{Engine, EngineState};
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expr`
[INFO] [stdout]  --> src/parser/mod.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     parser::{expr, module},
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `object`
[INFO] [stdout]    --> src/runtime/engine.rs:103:14
[INFO] [stdout]     |
[INFO] [stdout] 103 | macro_rules! object {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EngineState`
[INFO] [stdout]   --> src/runtime/mod.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use engine::{Engine, EngineState};
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/module/file.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl FileLoader {
[INFO] [stdout]    | --------------- associated function in this implementation
[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: method `is_relative` is never used
[INFO] [stdout]   --> src/module/resolve.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl ModulePath {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn is_relative(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_object_proto` is never used
[INFO] [stdout]    --> src/runtime/engine.rs:559:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | impl Engine {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 559 |     fn get_object_proto(&self) -> TLResult<Ptr<Object>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/module/file.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl FileLoader {
[INFO] [stdout]    | --------------- associated function in this implementation
[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: method `is_relative` is never used
[INFO] [stdout]   --> src/module/resolve.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl ModulePath {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn is_relative(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_object_proto` is never used
[INFO] [stdout]    --> src/runtime/engine.rs:559:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | impl Engine {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 559 |     fn get_object_proto(&self) -> TLResult<Ptr<Object>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expr`
[INFO] [stdout]  --> src/parser/mod.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     parser::{expr, module},
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `object`
[INFO] [stdout]    --> src/runtime/engine.rs:103:14
[INFO] [stdout]     |
[INFO] [stdout] 103 | macro_rules! object {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EngineState`
[INFO] [stdout]   --> src/runtime/mod.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use engine::{Engine, EngineState};
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expr`
[INFO] [stdout]  --> src/parser/mod.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     parser::{expr, module},
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `object`
[INFO] [stdout]    --> src/runtime/engine.rs:103:14
[INFO] [stdout]     |
[INFO] [stdout] 103 | macro_rules! object {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EngineState`
[INFO] [stdout]   --> src/runtime/mod.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use engine::{Engine, EngineState};
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_relative` is never used
[INFO] [stdout]   --> src/module/resolve.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl ModulePath {
[INFO] [stdout]    | --------------- method in this implementation
[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: function `noop_engine` is never used
[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: method `get_object_proto` is never used
[INFO] [stdout]    --> src/runtime/engine.rs:559:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | impl Engine {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 559 |     fn get_object_proto(&self) -> TLResult<Ptr<Object>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_relative` is never used
[INFO] [stdout]   --> src/module/resolve.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl ModulePath {
[INFO] [stdout]    | --------------- method in this implementation
[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: function `noop_engine` is never used
[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: method `get_object_proto` is never used
[INFO] [stdout]    --> src/runtime/engine.rs:559:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | impl Engine {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 559 |     fn get_object_proto(&self) -> TLResult<Ptr<Object>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.62s
[INFO] running `Command { std: "docker" "inspect" "a7e88eb2a1b2a798a1822522b3dd6b75225b94095656d08f07cf58d7000d2ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e88eb2a1b2a798a1822522b3dd6b75225b94095656d08f07cf58d7000d2ba0", kill_on_drop: false }`
[INFO] [stdout] a7e88eb2a1b2a798a1822522b3dd6b75225b94095656d08f07cf58d7000d2ba0