[INFO] cloning repository https://github.com/Applimu/Metallic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Applimu/Metallic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FApplimu%2FMetallic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FApplimu%2FMetallic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d133c1a38e88467266883d77799dde1fefb540a2
[INFO] checking Applimu/Metallic against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FApplimu%2FMetallic" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Applimu/Metallic
[INFO] finished tweaking git repo https://github.com/Applimu/Metallic
[INFO] tweaked toml for git repo https://github.com/Applimu/Metallic written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Applimu/Metallic on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Applimu/Metallic 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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfcdf5a1c05711111121cf2c49c135202011c33154fc06c4545d9f2d23141a6c
[INFO] running `Command { std: "docker" "start" "-a" "bfcdf5a1c05711111121cf2c49c135202011c33154fc06c4545d9f2d23141a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfcdf5a1c05711111121cf2c49c135202011c33154fc06c4545d9f2d23141a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfcdf5a1c05711111121cf2c49c135202011c33154fc06c4545d9f2d23141a6c", kill_on_drop: false }`
[INFO] [stdout] bfcdf5a1c05711111121cf2c49c135202011c33154fc06c4545d9f2d23141a6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aa7750ca44e286489bc1e72245df4e0169dae1ae95136b67347c781ec563ccd
[INFO] running `Command { std: "docker" "start" "-a" "7aa7750ca44e286489bc1e72245df4e0169dae1ae95136b67347c781ec563ccd", kill_on_drop: false }`
[INFO] [stderr]     Checking metallic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Unit`
[INFO] [stdout]    --> src/main.rs:126:55
[INFO] [stdout]     |
[INFO] [stdout] 126 |         use crate::Type::{FunctionType, Int, DepProd, Unit, String, IO};
[INFO] [stdout]     |                                                       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Unit`
[INFO] [stdout]    --> src/main.rs:126:55
[INFO] [stdout]     |
[INFO] [stdout] 126 |         use crate::Type::{FunctionType, Int, DepProd, Unit, String, IO};
[INFO] [stdout]     |                                                       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/runtime.rs:224:25
[INFO] [stdout]     |
[INFO] [stdout] 224 |                     let t = args[0].get_as_type()?;
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/runtime.rs:233:25
[INFO] [stdout]     |
[INFO] [stdout] 233 |                     let t = args[0].get_as_type()?;
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/runtime.rs:330:56
[INFO] [stdout]     |
[INFO] [stdout] 330 |             Val::Function(Function::PartialApplication(f, args)) => {
[INFO] [stdout]     |                                                        ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/runtime.rs:330:59
[INFO] [stdout]     |
[INFO] [stdout] 330 |             Val::Function(Function::PartialApplication(f, args)) => {
[INFO] [stdout]     |                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `names` is never read
[INFO] [stdout]    --> src/main.rs:313:5
[INFO] [stdout]     |
[INFO] [stdout] 312 | pub struct Program {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 313 |     names: Vec<String>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_io_action` is never used
[INFO] [stdout]   --> src/runtime.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn run_io_action(ctx: &mut Context, action: &mut IOAction) -> Result<(), RuntimeError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_as_pair` is never used
[INFO] [stdout]    --> src/runtime.rs:310:8
[INFO] [stdout]     |
[INFO] [stdout] 258 | impl Val {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 310 |     fn get_as_pair(&self) -> Result<(Rc<Val>, Rc<Val>), RuntimeError> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/runtime.rs:224:25
[INFO] [stdout]     |
[INFO] [stdout] 224 |                     let t = args[0].get_as_type()?;
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/runtime.rs:233:25
[INFO] [stdout]     |
[INFO] [stdout] 233 |                     let t = args[0].get_as_type()?;
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/runtime.rs:330:56
[INFO] [stdout]     |
[INFO] [stdout] 330 |             Val::Function(Function::PartialApplication(f, args)) => {
[INFO] [stdout]     |                                                        ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/runtime.rs:330:59
[INFO] [stdout]     |
[INFO] [stdout] 330 |             Val::Function(Function::PartialApplication(f, args)) => {
[INFO] [stdout]     |                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_io_action` is never used
[INFO] [stdout]   --> src/runtime.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn run_io_action(ctx: &mut Context, action: &mut IOAction) -> Result<(), RuntimeError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_as_pair` is never used
[INFO] [stdout]    --> src/runtime.rs:310:8
[INFO] [stdout]     |
[INFO] [stdout] 258 | impl Val {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 310 |     fn get_as_pair(&self) -> Result<(Rc<Val>, Rc<Val>), RuntimeError> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "7aa7750ca44e286489bc1e72245df4e0169dae1ae95136b67347c781ec563ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa7750ca44e286489bc1e72245df4e0169dae1ae95136b67347c781ec563ccd", kill_on_drop: false }`
[INFO] [stdout] 7aa7750ca44e286489bc1e72245df4e0169dae1ae95136b67347c781ec563ccd
