[INFO] cloning repository https://github.com/f0reachARR/compiler-test-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/f0reachARR/compiler-test-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff0reachARR%2Fcompiler-test-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff0reachARR%2Fcompiler-test-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 210507caa222cd727cad6f91a9cafcb1f5baec98
[INFO] checking f0reachARR/compiler-test-rs against try#ed606620234c6b50f2414162c4bbabd5f4a925f3 for pr-147995
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff0reachARR%2Fcompiler-test-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/f0reachARR/compiler-test-rs
[INFO] finished tweaking git repo https://github.com/f0reachARR/compiler-test-rs
[INFO] tweaked toml for git repo https://github.com/f0reachARR/compiler-test-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/f0reachARR/compiler-test-rs on toolchain ed606620234c6b50f2414162c4bbabd5f4a925f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/f0reachARR/compiler-test-rs 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" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "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 f0reachARR/compiler-test-rs against try#ed606620234c6b50f2414162c4bbabd5f4a925f3 for pr-147995
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff0reachARR%2Fcompiler-test-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/f0reachARR/compiler-test-rs
[INFO] finished tweaking git repo https://github.com/f0reachARR/compiler-test-rs
[INFO] tweaked toml for git repo https://github.com/f0reachARR/compiler-test-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/f0reachARR/compiler-test-rs on toolchain ed606620234c6b50f2414162c4bbabd5f4a925f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/f0reachARR/compiler-test-rs 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" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 051ea656216024718d16a7d2d074bb9653d2f8b55af3378e31bb117f506cfb4a
[INFO] running `Command { std: "docker" "start" "-a" "051ea656216024718d16a7d2d074bb9653d2f8b55af3378e31bb117f506cfb4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "051ea656216024718d16a7d2d074bb9653d2f8b55af3378e31bb117f506cfb4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "051ea656216024718d16a7d2d074bb9653d2f8b55af3378e31bb117f506cfb4a", kill_on_drop: false }`
[INFO] [stdout] 051ea656216024718d16a7d2d074bb9653d2f8b55af3378e31bb117f506cfb4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2028c63c905de9cc0576e64a1e56c9d77d9a8eefc095e12814886a8b3bdda9ce
[INFO] running `Command { std: "docker" "start" "-a" "2028c63c905de9cc0576e64a1e56c9d77d9a8eefc095e12814886a8b3bdda9ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.60
[INFO] [stderr]     Checking rust-ebnf-cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `create_closure_set`
[INFO] [stdout]   --> src/grammer/mod.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub use utils::{create_closure_set, create_first_set, create_follow_set};
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `create_closure_set`
[INFO] [stdout]   --> src/grammer/mod.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub use utils::{create_closure_set, create_first_set, create_follow_set};
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `grammer_set` of struct `Ebnf2Gram` is private
[INFO] [stdout]   --> src/main.rs:26:48
[INFO] [stdout]    |
[INFO] [stdout] 26 |         grammer::display_grammer_set(&gramconv.grammer_set);
[INFO] [stdout]    |                                                ^^^^^^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `identifier_map` of struct `Ebnf2Gram` is private
[INFO] [stdout]   --> src/main.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |         dbg!(gramconv.identifier_map);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `grammer_set` of struct `Ebnf2Gram` is private
[INFO] [stdout]   --> src/main.rs:26:48
[INFO] [stdout]    |
[INFO] [stdout] 26 |         grammer::display_grammer_set(&gramconv.grammer_set);
[INFO] [stdout]    |                                                ^^^^^^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `identifier_map` of struct `Ebnf2Gram` is private
[INFO] [stdout]   --> src/main.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |         dbg!(gramconv.identifier_map);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/grammer/utils.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut output = input.clone();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `set`
[INFO] [stdout]   --> src/grammer/utils.rs:96:27
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub fn create_closure_set(set: &GrammerSet, input: &GrammerSet) -> GrammerSet {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_set`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/grammer/utils.rs:98:10
[INFO] [stdout]    |
[INFO] [stdout] 98 |     for (id, grammers) in input {
[INFO] [stdout]    |          ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ref_id`
[INFO] [stdout]    --> src/grammer/utils.rs:104:41
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 if let Grammer::Grammer(ref_id) = grammer[i + 1] {}
[INFO] [stdout]     |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ref_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0616`.
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/grammer/utils.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut output = input.clone();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `set`
[INFO] [stdout]   --> src/grammer/utils.rs:96:27
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub fn create_closure_set(set: &GrammerSet, input: &GrammerSet) -> GrammerSet {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_set`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/grammer/utils.rs:98:10
[INFO] [stdout]    |
[INFO] [stdout] 98 |     for (id, grammers) in input {
[INFO] [stdout]    |          ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-ebnf-cc` (bin "rust-ebnf-cc") due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `ref_id`
[INFO] [stdout]    --> src/grammer/utils.rs:104:41
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 if let Grammer::Grammer(ref_id) = grammer[i + 1] {}
[INFO] [stdout]     |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ref_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0616`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-ebnf-cc` (bin "rust-ebnf-cc" test) due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2028c63c905de9cc0576e64a1e56c9d77d9a8eefc095e12814886a8b3bdda9ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2028c63c905de9cc0576e64a1e56c9d77d9a8eefc095e12814886a8b3bdda9ce", kill_on_drop: false }`
[INFO] [stdout] 2028c63c905de9cc0576e64a1e56c9d77d9a8eefc095e12814886a8b3bdda9ce
