[INFO] cloning repository https://github.com/x1957/proc-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/x1957/proc-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fx1957%2Fproc-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fx1957%2Fproc-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15053d94d706c06d12e436283c17bde4be9382b6
[INFO] testing x1957/proc-example against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fx1957%2Fproc-example" "/workspace/builds/worker-84/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/x1957/proc-example on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/x1957/proc-example
[INFO] finished tweaking git repo https://github.com/x1957/proc-example
[INFO] tweaked toml for git repo https://github.com/x1957/proc-example written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] crate git repo https://github.com/x1957/proc-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7a3b51b2df13d438a9a1b054dee69e6973c62525d2ea6e3b9499ed78d3b394c
[INFO] running `Command { std: "docker" "start" "-a" "b7a3b51b2df13d438a9a1b054dee69e6973c62525d2ea6e3b9499ed78d3b394c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7a3b51b2df13d438a9a1b054dee69e6973c62525d2ea6e3b9499ed78d3b394c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a3b51b2df13d438a9a1b054dee69e6973c62525d2ea6e3b9499ed78d3b394c", kill_on_drop: false }`
[INFO] [stdout] b7a3b51b2df13d438a9a1b054dee69e6973c62525d2ea6e3b9499ed78d3b394c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d55837d1cef7c8ae6798d3ee36a6f569c0a36c2e6b24be6adf9bf649af272468
[INFO] running `Command { std: "docker" "start" "-a" "d55837d1cef7c8ae6798d3ee36a6f569c0a36c2e6b24be6adf9bf649af272468", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling proc-upload v0.1.0 (/opt/rustwide/workdir/proc-upload)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> proc-upload/src/ls.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn derive_ls(mut input: DeriveInput) -> TokenStream {
[INFO] [stdout]   |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> proc-upload/src/ls.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn derive_ls(mut input: DeriveInput) -> TokenStream {
[INFO] [stdout]   |                  ----^^^^^
[INFO] [stdout]   |                  |
[INFO] [stdout]   |                  help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> proc-upload/src/ls.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     file.read_to_string(&mut key);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-example v0.1.0 (/opt/rustwide/workdir/proc-example)
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]  --> proc-example/src/main.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(LS, Debug)]
[INFO] [stdout]   |          ^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: message: called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `x` should have an upper camel case name
[INFO] [stdout]  --> proc-example/src/main.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct x;
[INFO] [stdout]   |        ^ help: convert the identifier to upper camel case (notice the capitalization): `X`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-example` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d55837d1cef7c8ae6798d3ee36a6f569c0a36c2e6b24be6adf9bf649af272468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d55837d1cef7c8ae6798d3ee36a6f569c0a36c2e6b24be6adf9bf649af272468", kill_on_drop: false }`
[INFO] [stdout] d55837d1cef7c8ae6798d3ee36a6f569c0a36c2e6b24be6adf9bf649af272468