[INFO] cloning repository https://github.com/sudo97/rorth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sudo97/rorth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudo97%2Frorth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudo97%2Frorth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be2c5570daca7efe20e681bedc133590e7b792b5
[INFO] checking sudo97/rorth against try#e90f1ff63e694965281f833819a486da29772bdf for pr-146167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudo97%2Frorth" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sudo97/rorth
[INFO] finished tweaking git repo https://github.com/sudo97/rorth
[INFO] tweaked toml for git repo https://github.com/sudo97/rorth written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sudo97/rorth on toolchain e90f1ff63e694965281f833819a486da29772bdf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sudo97/rorth 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" "+e90f1ff63e694965281f833819a486da29772bdf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a3cfc69887545910c84347e30e0b7d9790b7df578c6a8e79289e038e05f9bb7
[INFO] running `Command { std: "docker" "start" "-a" "2a3cfc69887545910c84347e30e0b7d9790b7df578c6a8e79289e038e05f9bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a3cfc69887545910c84347e30e0b7d9790b7df578c6a8e79289e038e05f9bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a3cfc69887545910c84347e30e0b7d9790b7df578c6a8e79289e038e05f9bb7", kill_on_drop: false }`
[INFO] [stdout] 2a3cfc69887545910c84347e30e0b7d9790b7df578c6a8e79289e038e05f9bb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5357d2012befa1e465c1b28f1b2c0ac50c9ddc390564550d9de30541d74205d
[INFO] running `Command { std: "docker" "start" "-a" "a5357d2012befa1e465c1b28f1b2c0ac50c9ddc390564550d9de30541d74205d", kill_on_drop: false }`
[INFO] [stderr]     Checking stack-machine-bez v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `check_stack_safety` is never used
[INFO] [stdout]  --> src/checker.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn check_stack_safety(program: &Vec<Instruction>) -> Result<(), Error> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `StaticCheck` is never constructed
[INFO] [stdout]   --> src/common.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub enum Error {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     StaticCheck {
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty`, `size`, and `print` are never used
[INFO] [stdout]  --> src/stack.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Stack<T: std::fmt::Debug> {
[INFO] [stdout]   |           ----- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 5 |     fn is_empty(&self) -> bool;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 6 |     fn size(&self) -> usize;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 7 |     fn print(&self);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty` and `print` are never used
[INFO] [stdout]  --> src/stack.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Stack<T: std::fmt::Debug> {
[INFO] [stdout]   |           ----- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 5 |     fn is_empty(&self) -> bool;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 6 |     fn size(&self) -> usize;
[INFO] [stdout] 7 |     fn print(&self);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "a5357d2012befa1e465c1b28f1b2c0ac50c9ddc390564550d9de30541d74205d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5357d2012befa1e465c1b28f1b2c0ac50c9ddc390564550d9de30541d74205d", kill_on_drop: false }`
[INFO] [stdout] a5357d2012befa1e465c1b28f1b2c0ac50c9ddc390564550d9de30541d74205d