[INFO] cloning repository https://github.com/lyle8341/hello_world_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lyle8341/hello_world_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flyle8341%2Fhello_world_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flyle8341%2Fhello_world_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f0cf9e07c2f7a413e2b3ebc150da6594e7bcb9c
[INFO] building lyle8341/hello_world_rust against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flyle8341%2Fhello_world_rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lyle8341/hello_world_rust
[INFO] finished tweaking git repo https://github.com/lyle8341/hello_world_rust
[INFO] tweaked toml for git repo https://github.com/lyle8341/hello_world_rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lyle8341/hello_world_rust on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lyle8341/hello_world_rust 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 678d7da1836e56a18bbcf3714b09f9ca6ea612e2b566d6a4b5b11a4260f4bdf7
[INFO] running `Command { std: "docker" "start" "-a" "678d7da1836e56a18bbcf3714b09f9ca6ea612e2b566d6a4b5b11a4260f4bdf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "678d7da1836e56a18bbcf3714b09f9ca6ea612e2b566d6a4b5b11a4260f4bdf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678d7da1836e56a18bbcf3714b09f9ca6ea612e2b566d6a4b5b11a4260f4bdf7", kill_on_drop: false }`
[INFO] [stdout] 678d7da1836e56a18bbcf3714b09f9ca6ea612e2b566d6a4b5b11a4260f4bdf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24d9cbf3e3c88f0b26ec03d7d2558cbddc06402b7d15846aeb2e87d78db122ef
[INFO] running `Command { std: "docker" "start" "-a" "24d9cbf3e3c88f0b26ec03d7d2558cbddc06402b7d15846aeb2e87d78db122ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling hello_world_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/bin/rc.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let b = Cons(3, Rc::clone(&a));
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/bin/rc.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let c = Cons(4, Rc::clone(&a));
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/bin/rc.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Cons(i32, Rc<List>),
[INFO] [stdout]   |     ---- ^^^  ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 5 -     Cons(i32, Rc<List>),
[INFO] [stdout] 5 +     Cons((), ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/bin/message_transfer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `counter`
[INFO] [stdout]   --> src/bin/counter.rs:49:2
[INFO] [stdout]    |
[INFO] [stdout] 49 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `src/bin/counter.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello_world_rust` (bin "counter") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `width`, `height`, and `options` are never read
[INFO] [stdout]   --> src/bin/trait.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct SelectBox {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 30 |     width: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 31 |     height: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 32 |     options: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `x`
[INFO] [stdout]  --> src/bin/closure_context.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let x = vec![1, 2, 3];
[INFO] [stdout]   |         - move occurs because `x` has type `Vec<i32>`, which does not implement the `Copy` trait
[INFO] [stdout] 3 |     let equal_to_x = move |z| z == x;
[INFO] [stdout]   |                      --------      - variable moved due to use in closure
[INFO] [stdout]   |                      |
[INFO] [stdout]   |                      value moved into closure here
[INFO] [stdout] 4 |     println!("can't use x here: {:?}", x);
[INFO] [stdout]   |                                        ^ value borrowed here after move
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider cloning the value before moving it into the closure
[INFO] [stdout]   |
[INFO] [stdout] 3 ~     let value = x.clone();
[INFO] [stdout] 4 ~     let equal_to_x = move |z| z == value;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello_world_rust` (bin "closure_context") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "24d9cbf3e3c88f0b26ec03d7d2558cbddc06402b7d15846aeb2e87d78db122ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d9cbf3e3c88f0b26ec03d7d2558cbddc06402b7d15846aeb2e87d78db122ef", kill_on_drop: false }`
[INFO] [stdout] 24d9cbf3e3c88f0b26ec03d7d2558cbddc06402b7d15846aeb2e87d78db122ef