[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 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeroadn%2Fsimple_context_free_grammar" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Heroadn/simple_context_free_grammar on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-2/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 02c0d3696e6d651171ffc4adc120c8ad12334c736925891921f6ee154f935a76
[INFO] running `Command { std: "docker" "start" "-a" "02c0d3696e6d651171ffc4adc120c8ad12334c736925891921f6ee154f935a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02c0d3696e6d651171ffc4adc120c8ad12334c736925891921f6ee154f935a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02c0d3696e6d651171ffc4adc120c8ad12334c736925891921f6ee154f935a76", kill_on_drop: false }`
[INFO] [stdout] 02c0d3696e6d651171ffc4adc120c8ad12334c736925891921f6ee154f935a76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b82cfcf14d1fc461ee63f747a86ac2dbf75a26538e4602a6a095e8207ac989a
[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" "0b82cfcf14d1fc461ee63f747a86ac2dbf75a26538e4602a6a095e8207ac989a", 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 dev [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "0b82cfcf14d1fc461ee63f747a86ac2dbf75a26538e4602a6a095e8207ac989a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b82cfcf14d1fc461ee63f747a86ac2dbf75a26538e4602a6a095e8207ac989a", kill_on_drop: false }`
[INFO] [stdout] 0b82cfcf14d1fc461ee63f747a86ac2dbf75a26538e4602a6a095e8207ac989a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8ba5f2ab02186abc93a0f6236751b87c968a46d667add87d69d3fe7dcc6e2891
[INFO] running `Command { std: "docker" "start" "-a" "8ba5f2ab02186abc93a0f6236751b87c968a46d667add87d69d3fe7dcc6e2891", 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 1.21s
[INFO] running `Command { std: "docker" "inspect" "8ba5f2ab02186abc93a0f6236751b87c968a46d667add87d69d3fe7dcc6e2891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ba5f2ab02186abc93a0f6236751b87c968a46d667add87d69d3fe7dcc6e2891", kill_on_drop: false }`
[INFO] [stdout] 8ba5f2ab02186abc93a0f6236751b87c968a46d667add87d69d3fe7dcc6e2891
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 78f6f35d6a6ec98c48ce0dc4ae70fc1061bdf5463a09f6d175882ed826efeecd
[INFO] running `Command { std: "docker" "start" "-a" "78f6f35d6a6ec98c48ce0dc4ae70fc1061bdf5463a09f6d175882ed826efeecd", 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-e0edfb44aac3dff6)
[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" "78f6f35d6a6ec98c48ce0dc4ae70fc1061bdf5463a09f6d175882ed826efeecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78f6f35d6a6ec98c48ce0dc4ae70fc1061bdf5463a09f6d175882ed826efeecd", kill_on_drop: false }`
[INFO] [stdout] 78f6f35d6a6ec98c48ce0dc4ae70fc1061bdf5463a09f6d175882ed826efeecd