[INFO] cloning repository https://github.com/courajs/urbit-1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/courajs/urbit-1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcourajs%2Furbit-1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcourajs%2Furbit-1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a2e28c004f7b3d54dbb1d030f01aaa03d13ef02
[INFO] checking courajs/urbit-1 against try#bf5ff6675cf10ce009ac02007b064a7cfc4509ac for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcourajs%2Furbit-1" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/courajs/urbit-1 on toolchain bf5ff6675cf10ce009ac02007b064a7cfc4509ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/courajs/urbit-1
[INFO] finished tweaking git repo https://github.com/courajs/urbit-1
[INFO] tweaked toml for git repo https://github.com/courajs/urbit-1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/courajs/urbit-1 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" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking courajs/urbit-1 against try#bf5ff6675cf10ce009ac02007b064a7cfc4509ac for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcourajs%2Furbit-1" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/courajs/urbit-1 on toolchain bf5ff6675cf10ce009ac02007b064a7cfc4509ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/courajs/urbit-1
[INFO] finished tweaking git repo https://github.com/courajs/urbit-1
[INFO] tweaked toml for git repo https://github.com/courajs/urbit-1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/courajs/urbit-1 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" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf04aed9ea38a6bf240e237155f98f68cc20cbf1399239dc7876ef91f9895dc7
[INFO] running `Command { std: "docker" "start" "-a" "bf04aed9ea38a6bf240e237155f98f68cc20cbf1399239dc7876ef91f9895dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf04aed9ea38a6bf240e237155f98f68cc20cbf1399239dc7876ef91f9895dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf04aed9ea38a6bf240e237155f98f68cc20cbf1399239dc7876ef91f9895dc7", kill_on_drop: false }`
[INFO] [stdout] bf04aed9ea38a6bf240e237155f98f68cc20cbf1399239dc7876ef91f9895dc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b45223aa642ecc245cc77180ae9f609d5e1855ca06ece7a70bff92aab58dfca0
[INFO] running `Command { std: "docker" "start" "-a" "b45223aa642ecc245cc77180ae9f609d5e1855ca06ece7a70bff92aab58dfca0", kill_on_drop: false }`
[INFO] [stderr]     Checking urbit-1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `noun`
[INFO] [stdout]  --> src/main.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | macro_rules! noun {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `urbit_1`
[INFO] [stdout]    --> src/main.rs:144:2
[INFO] [stdout]     |
[INFO] [stdout] 144 | }
[INFO] [stdout]     |  ^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stdout] warning: methods `value` and `open` are never used
[INFO] [stdout]   --> src/main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Noun {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 29 |     fn value(&self) -> Result<u128, &'static str> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn open(&self) -> Result<(&Rc<Noun>,&Rc<Noun>), &'static str> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left` and `right` are never read
[INFO] [stdout]   --> src/main.rs:51:10
[INFO] [stdout]    |
[INFO] [stdout] 51 |   Cons { left: Box<Application>, right: Box<Application> },
[INFO] [stdout]    |   ----   ^^^^                    ^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   fields in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `op`, `reason`, and `subject` are never read
[INFO] [stdout]   --> src/main.rs:66:3
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct Computation {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 66 |   op: Op,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 67 |   reason: String,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 68 |   subject: Rc<Noun>,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `subject`, `formula`, and `output` are never read
[INFO] [stdout]   --> src/main.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | struct Application {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 72 |     subject: Rc<Noun>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 73 |     formula: Rc<Noun>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 74 |     output: Option<Result<Rc<Noun>, String>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:78:18
[INFO] [stdout]    |
[INFO] [stdout] 78 |     Continuation(Computation),
[INFO] [stdout]    |     ------------ ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 78 -     Continuation(Computation),
[INFO] [stdout] 78 +     Continuation(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `urbit-1` (bin "urbit-1") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b45223aa642ecc245cc77180ae9f609d5e1855ca06ece7a70bff92aab58dfca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b45223aa642ecc245cc77180ae9f609d5e1855ca06ece7a70bff92aab58dfca0", kill_on_drop: false }`
[INFO] [stdout] b45223aa642ecc245cc77180ae9f609d5e1855ca06ece7a70bff92aab58dfca0
