[INFO] cloning repository https://github.com/CompPrakt21/first-follow-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CompPrakt21/first-follow-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCompPrakt21%2Ffirst-follow-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCompPrakt21%2Ffirst-follow-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d34b8fd388dd48c403405ad6b2b33a3b1c7a47d8
[INFO] testing CompPrakt21/first-follow-generator against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCompPrakt21%2Ffirst-follow-generator" "/workspace/builds/worker-92/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-92/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CompPrakt21/first-follow-generator on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CompPrakt21/first-follow-generator
[INFO] finished tweaking git repo https://github.com/CompPrakt21/first-follow-generator
[INFO] tweaked toml for git repo https://github.com/CompPrakt21/first-follow-generator written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] crate git repo https://github.com/CompPrakt21/first-follow-generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94da949ceadd81c723cae05b6c7c3e95417f904d8e3985766d32074e04f213c3
[INFO] running `Command { std: "docker" "start" "-a" "94da949ceadd81c723cae05b6c7c3e95417f904d8e3985766d32074e04f213c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94da949ceadd81c723cae05b6c7c3e95417f904d8e3985766d32074e04f213c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94da949ceadd81c723cae05b6c7c3e95417f904d8e3985766d32074e04f213c3", kill_on_drop: false }`
[INFO] [stdout] 94da949ceadd81c723cae05b6c7c3e95417f904d8e3985766d32074e04f213c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16b7253d5444c94fa7e04b95cdcf971464cfa6a26c696fdd2edc247a582f8c11
[INFO] running `Command { std: "docker" "start" "-a" "16b7253d5444c94fa7e04b95cdcf971464cfa6a26c696fdd2edc247a582f8c11", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling minimal-lexical v0.1.4
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling first-follow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `ends_with_non_terms`
[INFO] [stdout]    --> src/grammar/mod.rs:328:8
[INFO] [stdout]     |
[INFO] [stdout] 328 |     fn ends_with_non_terms(&self, sym: &Symbol) -> HashSet<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.04s
[INFO] running `Command { std: "docker" "inspect" "16b7253d5444c94fa7e04b95cdcf971464cfa6a26c696fdd2edc247a582f8c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b7253d5444c94fa7e04b95cdcf971464cfa6a26c696fdd2edc247a582f8c11", kill_on_drop: false }`
[INFO] [stdout] 16b7253d5444c94fa7e04b95cdcf971464cfa6a26c696fdd2edc247a582f8c11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 629d951ae6e6f153163df53f8e2eec33f37a30b2469a0422c6ace1029f145b05
[INFO] running `Command { std: "docker" "start" "-a" "629d951ae6e6f153163df53f8e2eec33f37a30b2469a0422c6ace1029f145b05", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling first-follow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `ends_with_non_terms`
[INFO] [stdout]    --> src/grammar/mod.rs:328:8
[INFO] [stdout]     |
[INFO] [stdout] 328 |     fn ends_with_non_terms(&self, sym: &Symbol) -> HashSet<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "629d951ae6e6f153163df53f8e2eec33f37a30b2469a0422c6ace1029f145b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "629d951ae6e6f153163df53f8e2eec33f37a30b2469a0422c6ace1029f145b05", kill_on_drop: false }`
[INFO] [stdout] 629d951ae6e6f153163df53f8e2eec33f37a30b2469a0422c6ace1029f145b05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ec6f2ad5ac649ca9877437ff4d3a47d246d616c5c06f10a27aa180ad7912766
[INFO] running `Command { std: "docker" "start" "-a" "4ec6f2ad5ac649ca9877437ff4d3a47d246d616c5c06f10a27aa180ad7912766", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `ends_with_non_terms`
[INFO] [stderr]    --> src/grammar/mod.rs:328:8
[INFO] [stderr]     |
[INFO] [stderr] 328 |     fn ends_with_non_terms(&self, sym: &Symbol) -> HashSet<String> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `first-follow` (bin "first-follow" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/first_follow-ff512162974a0f44)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4ec6f2ad5ac649ca9877437ff4d3a47d246d616c5c06f10a27aa180ad7912766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ec6f2ad5ac649ca9877437ff4d3a47d246d616c5c06f10a27aa180ad7912766", kill_on_drop: false }`
[INFO] [stdout] 4ec6f2ad5ac649ca9877437ff4d3a47d246d616c5c06f10a27aa180ad7912766