[INFO] fetching crate tokay 0.3.0...
[INFO] testing tokay-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate tokay 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tokay 0.3.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokay 0.3.0
[INFO] finished tweaking crates.io crate tokay 0.3.0
[INFO] tweaked toml for crates.io crate tokay 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate tokay 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fd-lock v2.0.0
[INFO] [stderr]   Downloaded rustyline v8.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e30cbcc3cc8407bc5df97d5c74a3f1845f5d8d0908e76a922fddb30aaa2d086e
[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" "e30cbcc3cc8407bc5df97d5c74a3f1845f5d8d0908e76a922fddb30aaa2d086e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e30cbcc3cc8407bc5df97d5c74a3f1845f5d8d0908e76a922fddb30aaa2d086e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e30cbcc3cc8407bc5df97d5c74a3f1845f5d8d0908e76a922fddb30aaa2d086e", kill_on_drop: false }`
[INFO] [stdout] e30cbcc3cc8407bc5df97d5c74a3f1845f5d8d0908e76a922fddb30aaa2d086e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea580bc947099bac82e017d726dfae714a9311dd838d8583a1f82c724e8d135b
[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" "ea580bc947099bac82e017d726dfae714a9311dd838d8583a1f82c724e8d135b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling fd-lock v2.0.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling rustyline v8.2.0
[INFO] [stderr]    Compiling tokay v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `parselet`
[INFO] [stdout]    --> src/vm/vm.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub(crate) parselet: &'parselet Parselet, // Current parselet that is executed
[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 29.02s
[INFO] running `Command { std: "docker" "inspect" "ea580bc947099bac82e017d726dfae714a9311dd838d8583a1f82c724e8d135b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea580bc947099bac82e017d726dfae714a9311dd838d8583a1f82c724e8d135b", kill_on_drop: false }`
[INFO] [stdout] ea580bc947099bac82e017d726dfae714a9311dd838d8583a1f82c724e8d135b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 365e48f13f2cb5526321fd0d5ea7ade442d2935e361ef96cfafe6a346788f7e4
[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" "365e48f13f2cb5526321fd0d5ea7ade442d2935e361ef96cfafe6a346788f7e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tokay v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `parselet`
[INFO] [stdout]    --> src/vm/vm.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub(crate) parselet: &'parselet Parselet, // Current parselet that is executed
[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] [stdout] warning: field is never read: `parselet`
[INFO] [stdout]    --> src/vm/vm.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub(crate) parselet: &'parselet Parselet, // Current parselet that is executed
[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 15.31s
[INFO] running `Command { std: "docker" "inspect" "365e48f13f2cb5526321fd0d5ea7ade442d2935e361ef96cfafe6a346788f7e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "365e48f13f2cb5526321fd0d5ea7ade442d2935e361ef96cfafe6a346788f7e4", kill_on_drop: false }`
[INFO] [stdout] 365e48f13f2cb5526321fd0d5ea7ade442d2935e361ef96cfafe6a346788f7e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63d0c3a695695542719081a880636b19d74487756250c08e255d1c39fa520c33
[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" "63d0c3a695695542719081a880636b19d74487756250c08e255d1c39fa520c33", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `parselet`
[INFO] [stderr]    --> src/vm/vm.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub(crate) parselet: &'parselet Parselet, // Current parselet that is executed
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tokay` (lib) generated 1 warning
[INFO] [stderr] warning: `tokay` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tokay-f5e5c6b1ef946f6c)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test test::builtins_str ... ok
[INFO] [stdout] test test::literal ... ok
[INFO] [stdout] test test::collections ... ok
[INFO] [stdout] test test::begin_end ... ok
[INFO] [stdout] test test::parser_indirectleftrec ... ok
[INFO] [stdout] test test::parser_leftrec ... ok
[INFO] [stderr] 
[INFO] [stderr] thread 'test::examples' has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/tokay-f5e5c6b1ef946f6c` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "63d0c3a695695542719081a880636b19d74487756250c08e255d1c39fa520c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d0c3a695695542719081a880636b19d74487756250c08e255d1c39fa520c33", kill_on_drop: false }`
[INFO] [stdout] 63d0c3a695695542719081a880636b19d74487756250c08e255d1c39fa520c33