[INFO] cloning repository https://github.com/flaghacker/LLLang-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flaghacker/LLLang-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflaghacker%2FLLLang-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflaghacker%2FLLLang-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0fb6140a67b90926486f5066ad5f080d63a2dac3
[INFO] testing flaghacker/LLLang-rs against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflaghacker%2FLLLang-rs" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flaghacker/LLLang-rs on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/flaghacker/LLLang-rs
[INFO] finished tweaking git repo https://github.com/flaghacker/LLLang-rs
[INFO] tweaked toml for git repo https://github.com/flaghacker/LLLang-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/flaghacker/LLLang-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 58d3b5e1dde41445f564a470bc9e391e9220e5c530e242116c629eed88e2fe21
[INFO] running `"docker" "start" "-a" "58d3b5e1dde41445f564a470bc9e391e9220e5c530e242116c629eed88e2fe21"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lllang-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `"docker" "inspect" "58d3b5e1dde41445f564a470bc9e391e9220e5c530e242116c629eed88e2fe21"`
[INFO] running `"docker" "rm" "-f" "58d3b5e1dde41445f564a470bc9e391e9220e5c530e242116c629eed88e2fe21"`
[INFO] [stdout] 58d3b5e1dde41445f564a470bc9e391e9220e5c530e242116c629eed88e2fe21
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2c5e6e8ab2009d4ea82c068e866a48a817f3142a5829abad6292f35d6ab9f265
[INFO] running `"docker" "start" "-a" "2c5e6e8ab2009d4ea82c068e866a48a817f3142a5829abad6292f35d6ab9f265"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lllang-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `bi`
[INFO] [stderr]    --> src/util/arena.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let bi = arena.push('b');
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_bi`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "2c5e6e8ab2009d4ea82c068e866a48a817f3142a5829abad6292f35d6ab9f265"`
[INFO] running `"docker" "rm" "-f" "2c5e6e8ab2009d4ea82c068e866a48a817f3142a5829abad6292f35d6ab9f265"`
[INFO] [stdout] 2c5e6e8ab2009d4ea82c068e866a48a817f3142a5829abad6292f35d6ab9f265
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b3f363d5f5d81b0b55fcd5ccdc7b0df1725d69ffdd4d689c2431fdf09f2ee25b
[INFO] running `"docker" "start" "-a" "b3f363d5f5d81b0b55fcd5ccdc7b0df1725d69ffdd4d689c2431fdf09f2ee25b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `bi`
[INFO] [stderr]    --> src/util/arena.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let bi = arena.push('b');
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_bi`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lllang_rs-1f4cd705dd678b26
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test util::arena::test::basic ... ok
[INFO] [stdout] test util::arena::test::pop ... ok
[INFO] [stdout] test util::arena::test::pop_twice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b3f363d5f5d81b0b55fcd5ccdc7b0df1725d69ffdd4d689c2431fdf09f2ee25b"`
[INFO] running `"docker" "rm" "-f" "b3f363d5f5d81b0b55fcd5ccdc7b0df1725d69ffdd4d689c2431fdf09f2ee25b"`
[INFO] [stdout] b3f363d5f5d81b0b55fcd5ccdc7b0df1725d69ffdd4d689c2431fdf09f2ee25b