[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#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwhetherington%2Ftoy-lang" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bwhetherington/toy-lang on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peg-runtime v0.7.0
[INFO] [stderr]   Downloaded peg v0.7.0
[INFO] [stderr]   Downloaded peg-macros v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ff0c70e8d6f2db4d9ca0e846e0a41a25a18ede2322f82dd8b4d5bca4052317d
[INFO] running `Command { std: "docker" "start" "-a" "3ff0c70e8d6f2db4d9ca0e846e0a41a25a18ede2322f82dd8b4d5bca4052317d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ff0c70e8d6f2db4d9ca0e846e0a41a25a18ede2322f82dd8b4d5bca4052317d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff0c70e8d6f2db4d9ca0e846e0a41a25a18ede2322f82dd8b4d5bca4052317d", kill_on_drop: false }`
[INFO] [stdout] 3ff0c70e8d6f2db4d9ca0e846e0a41a25a18ede2322f82dd8b4d5bca4052317d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad866f5c0241ce3f883af7875ee522765cd2d593a2c955986ffc44b51ce9f26e
[INFO] running `Command { std: "docker" "start" "-a" "ad866f5c0241ce3f883af7875ee522765cd2d593a2c955986ffc44b51ce9f26e", 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 proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling const_fn v0.4.7
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling peg-runtime v0.7.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[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: `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 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 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: struct `FileLoader` is never constructed
[INFO] [stdout]  --> src/module/file.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct FileLoader {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileLoader` is never constructed
[INFO] [stdout]  --> src/module/file.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct FileLoader {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `resolve_package`, and `resolve_path` are never used
[INFO] [stdout]   --> src/module/file.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl FileLoader {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 34 |     pub fn new() -> FileLoader {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn resolve_package(&self, package: &PackageType) -> Option<PathBuf> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn resolve_path(&self, path: &ModulePath) -> Option<PathBuf> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `resolve_package`, and `resolve_path` are never used
[INFO] [stdout]   --> src/module/file.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl FileLoader {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 34 |     pub fn new() -> FileLoader {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn resolve_package(&self, package: &PackageType) -> Option<PathBuf> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn resolve_path(&self, path: &ModulePath) -> Option<PathBuf> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PackageType` is never used
[INFO] [stdout]  --> src/module/resolve.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum PackageType {
[INFO] [stdout]   |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PackageType` is never used
[INFO] [stdout]  --> src/module/resolve.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum PackageType {
[INFO] [stdout]   |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ModulePath` is never constructed
[INFO] [stdout]  --> src/module/resolve.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct ModulePath {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ModulePath` is never constructed
[INFO] [stdout]  --> src/module/resolve.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct ModulePath {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `resolve` and `is_relative` are never used
[INFO] [stdout]   --> src/module/resolve.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl ModulePath {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn resolve(src: &str) -> ModulePath {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn is_relative(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `resolve` and `is_relative` are never used
[INFO] [stdout]   --> src/module/resolve.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl ModulePath {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn resolve(src: &str) -> ModulePath {
[INFO] [stdout]    |            ^^^^^^^
[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: 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: 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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.81s
[INFO] running `Command { std: "docker" "inspect" "ad866f5c0241ce3f883af7875ee522765cd2d593a2c955986ffc44b51ce9f26e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad866f5c0241ce3f883af7875ee522765cd2d593a2c955986ffc44b51ce9f26e", kill_on_drop: false }`
[INFO] [stdout] ad866f5c0241ce3f883af7875ee522765cd2d593a2c955986ffc44b51ce9f26e
