[INFO] cloning repository https://github.com/Heroadn/simple_context_free_grammar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Heroadn/simple_context_free_grammar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeroadn%2Fsimple_context_free_grammar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeroadn%2Fsimple_context_free_grammar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f1eb2c927a75f47e7536aaa28e4204ef90f1243
[INFO] testing Heroadn/simple_context_free_grammar against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeroadn%2Fsimple_context_free_grammar" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Heroadn/simple_context_free_grammar 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/Heroadn/simple_context_free_grammar
[INFO] finished tweaking git repo https://github.com/Heroadn/simple_context_free_grammar
[INFO] tweaked toml for git repo https://github.com/Heroadn/simple_context_free_grammar written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/Heroadn/simple_context_free_grammar 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] fbf65d9401d8873171bc6c77b8c0dd29779cebadd3234e1364aa6fe210b62e1d
[INFO] running `Command { std: "docker" "start" "-a" "fbf65d9401d8873171bc6c77b8c0dd29779cebadd3234e1364aa6fe210b62e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbf65d9401d8873171bc6c77b8c0dd29779cebadd3234e1364aa6fe210b62e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf65d9401d8873171bc6c77b8c0dd29779cebadd3234e1364aa6fe210b62e1d", kill_on_drop: false }`
[INFO] [stdout] fbf65d9401d8873171bc6c77b8c0dd29779cebadd3234e1364aa6fe210b62e1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 3d0ce86829cc7d164ee44ee2754e50963286843ea3dc9f582646fbc73c1bd9a8
[INFO] running `Command { std: "docker" "start" "-a" "3d0ce86829cc7d164ee44ee2754e50963286843ea3dc9f582646fbc73c1bd9a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling cfg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `find_token`
[INFO] [stdout]   --> src/cfg.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn find_token(tokens: String, lookahead: String) -> Option<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 1m 08s
[INFO] running `Command { std: "docker" "inspect" "3d0ce86829cc7d164ee44ee2754e50963286843ea3dc9f582646fbc73c1bd9a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d0ce86829cc7d164ee44ee2754e50963286843ea3dc9f582646fbc73c1bd9a8", kill_on_drop: false }`
[INFO] [stdout] 3d0ce86829cc7d164ee44ee2754e50963286843ea3dc9f582646fbc73c1bd9a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 12a071e63207fdfea3766b32b5c2ea69003db544f36137b8c9f13da6f7a033e6
[INFO] running `Command { std: "docker" "start" "-a" "12a071e63207fdfea3766b32b5c2ea69003db544f36137b8c9f13da6f7a033e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `find_token`
[INFO] [stdout]   --> src/cfg.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn find_token(tokens: String, lookahead: String) -> Option<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 0.47s
[INFO] running `Command { std: "docker" "inspect" "12a071e63207fdfea3766b32b5c2ea69003db544f36137b8c9f13da6f7a033e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12a071e63207fdfea3766b32b5c2ea69003db544f36137b8c9f13da6f7a033e6", kill_on_drop: false }`
[INFO] [stdout] 12a071e63207fdfea3766b32b5c2ea69003db544f36137b8c9f13da6f7a033e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 62b81ac81c8e3121e0449fd9e2bff9996fa416c00de885047558746990892e26
[INFO] running `Command { std: "docker" "start" "-a" "62b81ac81c8e3121e0449fd9e2bff9996fa416c00de885047558746990892e26", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `find_token`
[INFO] [stderr]   --> src/cfg.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn find_token(tokens: String, lookahead: String) -> Option<String> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg` (bin "cfg" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cfg-6e0bb273025a3275)
[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" "62b81ac81c8e3121e0449fd9e2bff9996fa416c00de885047558746990892e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b81ac81c8e3121e0449fd9e2bff9996fa416c00de885047558746990892e26", kill_on_drop: false }`
[INFO] [stdout] 62b81ac81c8e3121e0449fd9e2bff9996fa416c00de885047558746990892e26