[INFO] cloning repository https://github.com/jiegec/ebnf-tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jiegec/ebnf-tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiegec%2Febnf-tools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiegec%2Febnf-tools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b81c9ecbfe92f94349a42cac65666bda4ebf99c
[INFO] checking jiegec/ebnf-tools against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiegec%2Febnf-tools" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jiegec/ebnf-tools on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jiegec/ebnf-tools
[INFO] finished tweaking git repo https://github.com/jiegec/ebnf-tools
[INFO] tweaked toml for git repo https://github.com/jiegec/ebnf-tools written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jiegec/ebnf-tools already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc03d6ce55575517aae098cac2e8298e07642c1378de84dd6f543ae6b7db32f3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cc03d6ce55575517aae098cac2e8298e07642c1378de84dd6f543ae6b7db32f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc03d6ce55575517aae098cac2e8298e07642c1378de84dd6f543ae6b7db32f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc03d6ce55575517aae098cac2e8298e07642c1378de84dd6f543ae6b7db32f3", kill_on_drop: false }`
[INFO] [stdout] cc03d6ce55575517aae098cac2e8298e07642c1378de84dd6f543ae6b7db32f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd376f677d96353b0bd4b6e1dfd5697a19424ca7ddd1a7e6e30d6407a4f743a6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cd376f677d96353b0bd4b6e1dfd5697a19424ca7ddd1a7e6e30d6407a4f743a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling hashbrown v0.5.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitset v0.1.0 (https://github.com/MashPlant/bitset#a20d7b54)
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling print v0.1.0 (https://github.com/MashPlant/re2dfa#d3544ab7)
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking typed-arena v1.6.1
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling re2dfa v1.0.0 (https://github.com/MashPlant/re2dfa#d3544ab7)
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling indexmap v1.2.0
[INFO] [stderr]    Compiling toml v0.5.3
[INFO] [stderr]    Compiling grammar-config v0.1.0 (https://github.com/MashPlant/lalr1#f2d91421)
[INFO] [stderr]    Compiling ll1-core v0.1.0 (https://github.com/MashPlant/lalr1#f2d91421)
[INFO] [stderr]    Compiling lalr1-core v0.1.0 (https://github.com/MashPlant/lalr1#f2d91421)
[INFO] [stderr]    Compiling parser-gen v0.1.0 (https://github.com/MashPlant/lalr1#f2d91421)
[INFO] [stderr]    Compiling parser-macros v0.1.0 (https://github.com/MashPlant/lalr1#f2d91421)
[INFO] [stderr]     Checking ebnf-tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ebnf_gen`
[INFO] [stdout]   --> src/bin/generate.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let ebnf = ebnf_gen::work(&code, &alloc);
[INFO] [stdout]    |                ^^^^^^^^ use of undeclared crate or module `ebnf_gen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ebnf_gen`
[INFO] [stdout]   --> src/bin/generate.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let alloc = ebnf_gen::ASTAlloc::default();
[INFO] [stdout]    |                           ^^^^^^^^ not found in `ebnf_gen`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::ebnf_tools::ASTAlloc;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use ebnf_tools::ASTAlloc;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ebnf_gen`
[INFO] [stdout]   --> src/bin/generate.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let ebnf = ebnf_gen::work(&code, &alloc);
[INFO] [stdout]    |                ^^^^^^^^ use of undeclared crate or module `ebnf_gen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ebnf_gen`
[INFO] [stdout]   --> src/bin/generate.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let alloc = ebnf_gen::ASTAlloc::default();
[INFO] [stdout]    |                           ^^^^^^^^ not found in `ebnf_gen`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::ebnf_tools::ASTAlloc;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use ebnf_tools::ASTAlloc;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ebnf_tools::Generate`
[INFO] [stdout]  --> src/bin/generate.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ebnf_tools::Generate;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ebnf_tools::Generate`
[INFO] [stdout]  --> src/bin/generate.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ebnf_tools::Generate;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ebnf-tools`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cd376f677d96353b0bd4b6e1dfd5697a19424ca7ddd1a7e6e30d6407a4f743a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd376f677d96353b0bd4b6e1dfd5697a19424ca7ddd1a7e6e30d6407a4f743a6", kill_on_drop: false }`
[INFO] [stdout] cd376f677d96353b0bd4b6e1dfd5697a19424ca7ddd1a7e6e30d6407a4f743a6