[INFO] fetching crate marktwin 0.5.0...
[INFO] checking marktwin-0.5.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate marktwin 0.5.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate marktwin 0.5.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate marktwin 0.5.0
[INFO] finished tweaking crates.io crate marktwin 0.5.0
[INFO] tweaked toml for crates.io crate marktwin 0.5.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding rowan v0.15.16 (available: v0.16.1)
[INFO] [stderr]       Adding smol_str v0.2.2 (available: v0.3.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-generator v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cee590c017e86242e1b349da05c58d7271d26a09dc230285d2be733028249e29
[INFO] running `Command { std: "docker" "start" "-a" "cee590c017e86242e1b349da05c58d7271d26a09dc230285d2be733028249e29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cee590c017e86242e1b349da05c58d7271d26a09dc230285d2be733028249e29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cee590c017e86242e1b349da05c58d7271d26a09dc230285d2be733028249e29", kill_on_drop: false }`
[INFO] [stdout] cee590c017e86242e1b349da05c58d7271d26a09dc230285d2be733028249e29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 498a141cb53f86dd1abea4aea2e21df891f0c5f09ca4ba80aba35c617e9c1ce2
[INFO] running `Command { std: "docker" "start" "-a" "498a141cb53f86dd1abea4aea2e21df891f0c5f09ca4ba80aba35c617e9c1ce2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking utf8-width v0.1.7
[INFO] [stderr]     Checking countme v3.0.1
[INFO] [stderr]     Checking text-size v1.1.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]     Checking smol_str v0.2.2
[INFO] [stderr]     Checking html-escape v0.2.13
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rowan v0.15.16
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling variant_count v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling test-generator v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.133
[INFO] [stderr]     Checking marktwin v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]    --> src/emitter.rs:130:3
[INFO] [stdout]     |
[INFO] [stdout] 130 |   #[test_resources("./test-resources/[!.]*/")]
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: no resource matching the pattern ./test-resources/[!.]*/
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]    --> src/lexer.rs:116:3
[INFO] [stdout]     |
[INFO] [stdout] 116 |   #[test_resources("./test-resources/[!.]*/")]
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: no resource matching the pattern ./test-resources/[!.]*/
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]    --> src/parser.rs:868:3
[INFO] [stdout]     |
[INFO] [stdout] 868 |   #[test_resources("./test-resources/[!.]*/")]
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: no resource matching the pattern ./test-resources/[!.]*/
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]    --> src/emitter.rs:124:7
[INFO] [stdout]     |
[INFO] [stdout] 124 |   use std::fs;
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]    --> src/emitter.rs:125:19
[INFO] [stdout]     |
[INFO] [stdout] 125 |   use std::path::{Path, PathBuf};
[INFO] [stdout]     |                   ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::emitter::emit_html`
[INFO] [stdout]    --> src/emitter.rs:127:7
[INFO] [stdout]     |
[INFO] [stdout] 127 |   use crate::emitter::emit_html;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lex`
[INFO] [stdout]    --> src/lexer.rs:111:22
[INFO] [stdout]     |
[INFO] [stdout] 111 |   use crate::lexer::{lex, LexerToken};
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]    --> src/lexer.rs:113:19
[INFO] [stdout]     |
[INFO] [stdout] 113 |   use std::path::{Path, PathBuf};
[INFO] [stdout]     |                   ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]    --> src/lexer.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |   use std::{fs, io};
[INFO] [stdout]     |             ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]    --> src/parser.rs:856:7
[INFO] [stdout]     |
[INFO] [stdout] 856 |   use std::convert::TryFrom;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]    --> src/parser.rs:857:7
[INFO] [stdout]     |
[INFO] [stdout] 857 |   use std::fs;
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]    --> src/parser.rs:859:19
[INFO] [stdout]     |
[INFO] [stdout] 859 |   use std::path::{Path, PathBuf};
[INFO] [stdout]     |                   ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::grammar::Grammar`
[INFO] [stdout]    --> src/parser.rs:864:7
[INFO] [stdout]     |
[INFO] [stdout] 864 |   use crate::grammar::Grammar;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::parse`
[INFO] [stdout]    --> src/parser.rs:865:7
[INFO] [stdout]     |
[INFO] [stdout] 865 |   use crate::parser::parse;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `marktwin` (lib test) due to 3 previous errors; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "498a141cb53f86dd1abea4aea2e21df891f0c5f09ca4ba80aba35c617e9c1ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "498a141cb53f86dd1abea4aea2e21df891f0c5f09ca4ba80aba35c617e9c1ce2", kill_on_drop: false }`
[INFO] [stdout] 498a141cb53f86dd1abea4aea2e21df891f0c5f09ca4ba80aba35c617e9c1ce2
