[INFO] cloning repository https://github.com/zzjrabbit/rasta
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zzjrabbit/rasta" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzjrabbit%2Frasta", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzjrabbit%2Frasta'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9a6f02adadef5f06a0c5ffd66f5870516e6abe6
[INFO] checking zzjrabbit/rasta against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzjrabbit%2Frasta" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zzjrabbit/rasta
[INFO] finished tweaking git repo https://github.com/zzjrabbit/rasta
[INFO] tweaked toml for git repo https://github.com/zzjrabbit/rasta written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zzjrabbit/rasta on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zzjrabbit/rasta 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: /workspace/builds/worker-7-tc2/source/rasta/Cargo.toml: unused manifest key: package.respository
[INFO] [stderr] warning: /workspace/builds/worker-7-tc2/source/rasta-verilog/Cargo.toml: unused manifest key: package.respository
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e34b02d7d937f44ebdf284ecba6d009ee1532fadc377a5e00b87b25d64d457a3
[INFO] running `Command { std: "docker" "start" "-a" "e34b02d7d937f44ebdf284ecba6d009ee1532fadc377a5e00b87b25d64d457a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e34b02d7d937f44ebdf284ecba6d009ee1532fadc377a5e00b87b25d64d457a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34b02d7d937f44ebdf284ecba6d009ee1532fadc377a5e00b87b25d64d457a3", kill_on_drop: false }`
[INFO] [stdout] e34b02d7d937f44ebdf284ecba6d009ee1532fadc377a5e00b87b25d64d457a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42f7275a5eb77307c4e53827b6952ec70e4efa620953645f1e90749206b25011
[INFO] running `Command { std: "docker" "start" "-a" "42f7275a5eb77307c4e53827b6952ec70e4efa620953645f1e90749206b25011", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: /opt/rustwide/workdir/rasta/Cargo.toml: unused manifest key: package.respository
[INFO] [stderr] warning: /opt/rustwide/workdir/rasta-verilog/Cargo.toml: unused manifest key: package.respository
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking ucd-trie v0.1.6
[INFO] [stderr]     Checking escape-bytes v0.1.1
[INFO] [stderr]     Checking rasta-llvm v0.1.0 (/opt/rustwide/workdir/rasta-llvm)
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking rmp-serde v1.3.0
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]     Checking pest v2.7.13
[INFO] [stderr]     Checking rasta v0.1.2
[INFO] [stderr]     Checking rasta v0.1.2 (/opt/rustwide/workdir/rasta)
[INFO] [stderr]    Compiling pest_meta v2.7.13
[INFO] [stderr]     Checking rasta-verilog v0.1.0 (/opt/rustwide/workdir/rasta-verilog)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Error>
[INFO] [stdout]   --> rasta-verilog/src/lib.rs:20:66
[INFO] [stdout]    |
[INFO] [stdout] 20 |   pub fn generate_verilog(ast: &CompUnit) -> Result<String, Error> {
[INFO] [stdout]    |  __________________________________________________________________^
[INFO] [stdout] 21 | |     let code = Rc::new(RefCell::new(String::new()));
[INFO] [stdout] 22 | |     ast.generate(code.clone())?;
[INFO] [stdout] 23 | |     let code = code.borrow().clone();
[INFO] [stdout] 24 | |     
[INFO] [stdout] 25 | |     Ok(code)
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Error>
[INFO] [stdout]   --> rasta-verilog/src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     ast.generate(code.clone())?;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Error>
[INFO] [stdout]   --> rasta-verilog/src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Ok(code)
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rasta-verilog` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "42f7275a5eb77307c4e53827b6952ec70e4efa620953645f1e90749206b25011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f7275a5eb77307c4e53827b6952ec70e4efa620953645f1e90749206b25011", kill_on_drop: false }`
[INFO] [stdout] 42f7275a5eb77307c4e53827b6952ec70e4efa620953645f1e90749206b25011