[INFO] cloning repository https://github.com/shardlang/shard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shardlang/shard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshardlang%2Fshard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshardlang%2Fshard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7ddbb4476096f29e5d43c02f490f9d24a766578
[INFO] checking shardlang/shard/f7ddbb4476096f29e5d43c02f490f9d24a766578 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshardlang%2Fshard" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shardlang/shard
[INFO] finished tweaking git repo https://github.com/shardlang/shard
[INFO] tweaked toml for git repo https://github.com/shardlang/shard written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shardlang/shard on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shardlang/shard 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded logos v0.12.0
[INFO] [stderr]   Downloaded quote v1.0.16
[INFO] [stderr]   Downloaded beef v0.5.1
[INFO] [stderr]   Downloaded utf8-ranges v1.0.4
[INFO] [stderr]   Downloaded logos-derive v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b5c2fbae15bda45f7c884131f32db06741e5296ee896013aec10cac62c3fff5
[INFO] running `Command { std: "docker" "start" "-a" "2b5c2fbae15bda45f7c884131f32db06741e5296ee896013aec10cac62c3fff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b5c2fbae15bda45f7c884131f32db06741e5296ee896013aec10cac62c3fff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b5c2fbae15bda45f7c884131f32db06741e5296ee896013aec10cac62c3fff5", kill_on_drop: false }`
[INFO] [stdout] 2b5c2fbae15bda45f7c884131f32db06741e5296ee896013aec10cac62c3fff5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7193c3386c252eb3793dcf36646288fe61ddd710ef7bed9c077f5dff655bdb0d
[INFO] running `Command { std: "docker" "start" "-a" "7193c3386c252eb3793dcf36646288fe61ddd710ef7bed9c077f5dff655bdb0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]     Checking lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::binary::*`
[INFO] [stdout]  --> src/wasm/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use self::binary::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::binary::*`
[INFO] [stdout]  --> src/wasm/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use self::binary::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::typ::*`
[INFO] [stdout]   --> src/wasm/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use self::typ::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::typ::*`
[INFO] [stdout]   --> src/wasm/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use self::typ::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::value::*`
[INFO] [stdout]   --> src/wasm/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use self::value::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::value::*`
[INFO] [stdout]   --> src/wasm/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use self::value::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/translate.rs:14:55
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn to_wasm(ctx: &Context, node: &ast::Program) -> (Context, wasm::Module) {
[INFO] [stdout]    |        -------                                        ^^^^^^^^^^^^^^^^^^^^^^^ expected `(Context, Module)`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:  expected tuple `(translate::Context, wasm::module::Module)`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/translate.rs:14:55
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn to_wasm(ctx: &Context, node: &ast::Program) -> (Context, wasm::Module) {
[INFO] [stdout]    |        -------                                        ^^^^^^^^^^^^^^^^^^^^^^^ expected `(Context, Module)`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:  expected tuple `(translate::Context, wasm::module::Module)`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lang` (bin "lang" test) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `lang` (bin "lang") due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7193c3386c252eb3793dcf36646288fe61ddd710ef7bed9c077f5dff655bdb0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7193c3386c252eb3793dcf36646288fe61ddd710ef7bed9c077f5dff655bdb0d", kill_on_drop: false }`
[INFO] [stdout] 7193c3386c252eb3793dcf36646288fe61ddd710ef7bed9c077f5dff655bdb0d