[INFO] fetching crate tokay 0.3.0...
[INFO] testing tokay-0.3.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[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 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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 nibble_vec v0.1.0
[INFO] [stderr]   Downloaded error-code v2.3.0
[INFO] [stderr]   Downloaded fd-lock v2.0.0
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded str-buf v1.0.5
[INFO] [stderr]   Downloaded rustyline v8.2.0
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] [stderr]   Downloaded clipboard-win v4.2.1
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6431cda640bb77cc74155c0bc2690c24aec4f8d77d6bc421099edaef1996002b
[INFO] running `Command { std: "docker" "start" "-a" "6431cda640bb77cc74155c0bc2690c24aec4f8d77d6bc421099edaef1996002b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6431cda640bb77cc74155c0bc2690c24aec4f8d77d6bc421099edaef1996002b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6431cda640bb77cc74155c0bc2690c24aec4f8d77d6bc421099edaef1996002b", kill_on_drop: false }`
[INFO] [stdout] 6431cda640bb77cc74155c0bc2690c24aec4f8d77d6bc421099edaef1996002b
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2667494f20874f0f2986f9266f3b87f10c84f1f275c61bf7584b98de4f2a0be3
[INFO] running `Command { std: "docker" "start" "-a" "2667494f20874f0f2986f9266f3b87f10c84f1f275c61bf7584b98de4f2a0be3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[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 yaml-rust v0.3.5
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling log v0.4.14
[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 nix v0.20.0
[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 24.77s
[INFO] running `Command { std: "docker" "inspect" "2667494f20874f0f2986f9266f3b87f10c84f1f275c61bf7584b98de4f2a0be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2667494f20874f0f2986f9266f3b87f10c84f1f275c61bf7584b98de4f2a0be3", kill_on_drop: false }`
[INFO] [stdout] 2667494f20874f0f2986f9266f3b87f10c84f1f275c61bf7584b98de4f2a0be3
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20f1a0aeb794718a9307909e62e7742035c1419a3b543cd54c675e19ac8b97a3
[INFO] running `Command { std: "docker" "start" "-a" "20f1a0aeb794718a9307909e62e7742035c1419a3b543cd54c675e19ac8b97a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]    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 test [unoptimized + debuginfo] target(s) in 12.75s
[INFO] running `Command { std: "docker" "inspect" "20f1a0aeb794718a9307909e62e7742035c1419a3b543cd54c675e19ac8b97a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20f1a0aeb794718a9307909e62e7742035c1419a3b543cd54c675e19ac8b97a3", kill_on_drop: false }`
[INFO] [stdout] 20f1a0aeb794718a9307909e62e7742035c1419a3b543cd54c675e19ac8b97a3
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16875155e736e19f1f47baaa2c263cfeaded53bbce4442473f24830ac2295d7b
[INFO] running `Command { std: "docker" "start" "-a" "16875155e736e19f1f47baaa2c263cfeaded53bbce4442473f24830ac2295d7b", 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: 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 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tokay-17f12f473dc97799)
[INFO] [stdout] running 25 tests
[INFO] [stdout] test test::parser_leftrec ... ok
[INFO] [stdout] test test::parser_indirectleftrec ... ok
[INFO] [stdout] test test::repeat ... ok
[INFO] [stdout] test test::push_next ... ok
[INFO] [stdout] test test::compiler_structure ... ok
[INFO] [stdout] test test::builtins ... ok
[INFO] [stdout] test test::literal ... ok
[INFO] [stdout] test test::parselet_call_error_reporting ... ok
[INFO] [stdout] test test::collections ... ok
[INFO] [stdout] test test::parselet_static_with_args ... ok
[INFO] [stdout] test test::if_else ... ok
[INFO] [stdout] test test::parselet_variable_with_args ... ok
[INFO] [stdout] test test::parselet_leftrec ... ok
[INFO] [stdout] test test::compiler_identifier_naming ... ok
[INFO] [stdout] test test::scoping ... ok
[INFO] [stderr] 
[INFO] [stdout] test test::operations ... ok
[INFO] [stderr] thread 'test::examples' has overflowed its stack
[INFO] [stdout] test test::builtins_str ... ok
[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-17f12f473dc97799` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "16875155e736e19f1f47baaa2c263cfeaded53bbce4442473f24830ac2295d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16875155e736e19f1f47baaa2c263cfeaded53bbce4442473f24830ac2295d7b", kill_on_drop: false }`
[INFO] [stdout] 16875155e736e19f1f47baaa2c263cfeaded53bbce4442473f24830ac2295d7b