[INFO] fetching crate tokay 0.3.0...
[INFO] testing tokay-0.3.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate tokay 0.3.0 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate tokay 0.3.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-91/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clipboard-win v4.2.1
[INFO] [stderr]   Downloaded error-code v2.3.0
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded str-buf v1.0.5
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded rustyline v8.2.0
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded fd-lock v2.0.0
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca1ea3966091da365b0173c2050982990fa4d6ea881325b602c5e213f83c5266
[INFO] running `Command { std: "docker" "start" "-a" "ca1ea3966091da365b0173c2050982990fa4d6ea881325b602c5e213f83c5266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca1ea3966091da365b0173c2050982990fa4d6ea881325b602c5e213f83c5266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca1ea3966091da365b0173c2050982990fa4d6ea881325b602c5e213f83c5266", kill_on_drop: false }`
[INFO] [stdout] ca1ea3966091da365b0173c2050982990fa4d6ea881325b602c5e213f83c5266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcc5e455c3f0c07f8946f80ddb8124cb10c4bbe5367ab2e38d6f645a9b6e1aea
[INFO] running `Command { std: "docker" "start" "-a" "fcc5e455c3f0c07f8946f80ddb8124cb10c4bbe5367ab2e38d6f645a9b6e1aea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling memchr v2.4.0
[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 fd-lock v2.0.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.20.0
[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 33.97s
[INFO] running `Command { std: "docker" "inspect" "fcc5e455c3f0c07f8946f80ddb8124cb10c4bbe5367ab2e38d6f645a9b6e1aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcc5e455c3f0c07f8946f80ddb8124cb10c4bbe5367ab2e38d6f645a9b6e1aea", kill_on_drop: false }`
[INFO] [stdout] fcc5e455c3f0c07f8946f80ddb8124cb10c4bbe5367ab2e38d6f645a9b6e1aea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b74a0453b5c0696aed414ee0808c4f7e999085ccee661ff07183f1c3c3418662
[INFO] running `Command { std: "docker" "start" "-a" "b74a0453b5c0696aed414ee0808c4f7e999085ccee661ff07183f1c3c3418662", 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 17.42s
[INFO] running `Command { std: "docker" "inspect" "b74a0453b5c0696aed414ee0808c4f7e999085ccee661ff07183f1c3c3418662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b74a0453b5c0696aed414ee0808c4f7e999085ccee661ff07183f1c3c3418662", kill_on_drop: false }`
[INFO] [stdout] b74a0453b5c0696aed414ee0808c4f7e999085ccee661ff07183f1c3c3418662
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 11e0f7e5cf07ac6835514f2e4f0fc4a1e5df894b46d1864ca6c3bf6b80e166b4
[INFO] running `Command { std: "docker" "start" "-a" "11e0f7e5cf07ac6835514f2e4f0fc4a1e5df894b46d1864ca6c3bf6b80e166b4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `parselet`
[INFO] [stdout] running 25 tests
[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: 1 warning emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tokay-f01bea21a6c696fc)
[INFO] [stdout] test test::parser_indirectleftrec ... ok
[INFO] [stdout] test test::parser_leftrec ... ok
[INFO] [stdout] test test::capture ... ok
[INFO] [stdout] test test::builtins_str ... ok
[INFO] [stdout] test test::operations ... ok
[INFO] [stdout] test test::literal ... ok
[INFO] [stdout] test test::repeat ... ok
[INFO] [stdout] test test::push_next ... ok
[INFO] [stdout] test test::parselet_static_with_args ... ok
[INFO] [stdout] test test::compiler_identifier_naming ... ok
[INFO] [stdout] test test::parselet_leftrec ... ok
[INFO] [stdout] test test::parselet_variable_with_args ... 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-f01bea21a6c696fc` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "11e0f7e5cf07ac6835514f2e4f0fc4a1e5df894b46d1864ca6c3bf6b80e166b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11e0f7e5cf07ac6835514f2e4f0fc4a1e5df894b46d1864ca6c3bf6b80e166b4", kill_on_drop: false }`
[INFO] [stdout] 11e0f7e5cf07ac6835514f2e4f0fc4a1e5df894b46d1864ca6c3bf6b80e166b4
