[INFO] fetching crate stelar 0.1.3...
[INFO] testing stelar-0.1.3 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate stelar 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate stelar 0.1.3 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 stelar 0.1.3
[INFO] finished tweaking crates.io crate stelar 0.1.3
[INFO] tweaked toml for crates.io crate stelar 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c2e491247701b0da406ee61b6d7ebc8f86b7da4de35bb21011c07bc2cd8fecca
[INFO] running `Command { std: "docker" "start" "-a" "c2e491247701b0da406ee61b6d7ebc8f86b7da4de35bb21011c07bc2cd8fecca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2e491247701b0da406ee61b6d7ebc8f86b7da4de35bb21011c07bc2cd8fecca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e491247701b0da406ee61b6d7ebc8f86b7da4de35bb21011c07bc2cd8fecca", kill_on_drop: false }`
[INFO] [stdout] c2e491247701b0da406ee61b6d7ebc8f86b7da4de35bb21011c07bc2cd8fecca
[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] 6fb3aaa23e7a4938fb029e4730d01e7e78acd54ea25a9d3b4234dc71ec9d21fb
[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" "6fb3aaa23e7a4938fb029e4730d01e7e78acd54ea25a9d3b4234dc71ec9d21fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling stelar v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]    --> src/parser.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 | /         self.state_stack
[INFO] [stdout] 131 | |             .split_off(self.state_stack.len() - rule.rhs.len());
[INFO] [stdout]     | |________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "6fb3aaa23e7a4938fb029e4730d01e7e78acd54ea25a9d3b4234dc71ec9d21fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fb3aaa23e7a4938fb029e4730d01e7e78acd54ea25a9d3b4234dc71ec9d21fb", kill_on_drop: false }`
[INFO] [stdout] 6fb3aaa23e7a4938fb029e4730d01e7e78acd54ea25a9d3b4234dc71ec9d21fb
[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] 76b40a5ac6857ddbe74d236871b5d5042ac7b7951a10253811d26ca3ebb2b3bf
[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" "76b40a5ac6857ddbe74d236871b5d5042ac7b7951a10253811d26ca3ebb2b3bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stdout] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]    --> src/parser.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 | /         self.state_stack
[INFO] [stdout] 131 | |             .split_off(self.state_stack.len() - rule.rhs.len());
[INFO] [stdout]     | |________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling stelar v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]    --> src/parser.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 | /         self.state_stack
[INFO] [stdout] 131 | |             .split_off(self.state_stack.len() - rule.rhs.len());
[INFO] [stdout]     | |________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.15s
[INFO] running `Command { std: "docker" "inspect" "76b40a5ac6857ddbe74d236871b5d5042ac7b7951a10253811d26ca3ebb2b3bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76b40a5ac6857ddbe74d236871b5d5042ac7b7951a10253811d26ca3ebb2b3bf", kill_on_drop: false }`
[INFO] [stdout] 76b40a5ac6857ddbe74d236871b5d5042ac7b7951a10253811d26ca3ebb2b3bf
[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] 2b1e7c81f5411823cca647cc3cc83c421722e62401013a20622ec72f16fa1ed8
[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" "2b1e7c81f5411823cca647cc3cc83c421722e62401013a20622ec72f16fa1ed8", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stderr]    --> src/parser.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 | /         self.state_stack
[INFO] [stderr] 131 | |             .split_off(self.state_stack.len() - rule.rhs.len());
[INFO] [stderr]     | |________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stderr]    --> src/parser.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 | /         self.state_stack
[INFO] [stderr] 131 | |             .split_off(self.state_stack.len() - rule.rhs.len());
[INFO] [stderr]     | |________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stelar-5f68ae93e869ea67)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test parse_table::tests::empty_closure ... ok
[INFO] [stdout] test parse_table::tests::valid_grammar ... ok
[INFO] [stdout] test parse_table::tests::compute_first ... ok
[INFO] [stdout] test parse_table::tests::compute_follow ... ok
[INFO] [stdout] test parse_table::tests::simple_closure ... ok
[INFO] [stdout] test parse_table::tests::get_symbols ... ok
[INFO] [stdout] test parse_table::tests::goto_test ... ok
[INFO] [stdout] test parse_table::tests::invalid_grammar ... ok
[INFO] [stdout] test parse_table::tests::test_generate_sets ... ok
[INFO] [stdout] +--------+-------+----+--------+--------+------+--------+
[INFO] [stdout] | Action | Times | Id | LParen | RParen | Plus | <EOF>  |
[INFO] [stdout] +--------+-------+----+--------+--------+------+--------+
[INFO] [stdout] | 0      |       | s1 | s4     |        |      |        |
[INFO] [stdout] +--------+-------+----+--------+--------+------+--------+
[INFO] [stdout] | 1      | r6    |    |        | r6     | r6   | r6     |
[INFO] [stdout] +--------+-------+----+--------+--------+------+--------+
[INFO] [stdout] | 2      | r4    |    |        | r4     | r4   | r4     |
[INFO] [stdout] +--------+-------+----+--------+--------+------+--------+
[INFO] [stdout] | 3      |       |    |        |        | s6   | accept |
[INFO] [stdout] +--------+-------+----+--------+--------+------+--------+
[INFO] [stdout] | 4      |       | s1 | s4     |        |      |        |
[INFO] [stdout] +--------+-------+----+--------+--------+------+--------+
[INFO] [stdout] | 5      | s8    |    |        | r2     | r2   | r2     |
[INFO] [stdout] +--------+-------+----+--------+--------+------+--------+
[INFO] [stdout] | 6      |       | s1 | s4     |        |      |        |
[INFO] [stdout] +--------+-------+----+--------+--------+------+--------+
[INFO] [stdout] | 7      |       |    |        | s10    | s6   |        |
[INFO] [stdout] +--------+-------+----+--------+--------+------+--------+
[INFO] [stdout] | 8      |       | s1 | s4     |        |      |        |
[INFO] [stdout] +--------+-------+----+--------+--------+------+--------+
[INFO] [stdout] | 9      | s8    |    |        | r1     | r1   | r1     |
[INFO] [stdout] +--------+-------+----+--------+--------+------+--------+
[INFO] [stdout] | 10     | r5    |    |        | r5     | r5   | r5     |
[INFO] [stdout] +--------+-------+----+--------+--------+------+--------+
[INFO] [stdout] | 11     | r3    |    |        | r3     | r3   | r3     |
[INFO] [stdout] +--------+-------+----+--------+--------+------+--------+
[INFO] [stdout] +------+---+-----+----+---+
[INFO] [stdout] | Goto | E | Ext | F  | T |
[INFO] [stdout] +------+---+-----+----+---+
[INFO] [stdout] | 0    | 3 |     | 2  | 5 |
[INFO] [stdout] +------+---+-----+----+---+
[INFO] [stdout] | 1    |   |     |    |   |
[INFO] [stdout] +------+---+-----+----+---+
[INFO] [stdout] | 2    |   |     |    |   |
[INFO] [stdout] +------+---+-----+----+---+
[INFO] [stdout] | 3    |   |     |    |   |
[INFO] [stdout] +------+---+-----+----+---+
[INFO] [stdout] | 4    | 7 |     | 2  | 5 |
[INFO] [stdout] +------+---+-----+----+---+
[INFO] [stdout] | 5    |   |     |    |   |
[INFO] [stdout] +------+---+-----+----+---+
[INFO] [stdout] | 6    |   |     | 2  | 9 |
[INFO] [stdout] +------+---+-----+----+---+
[INFO] [stdout] | 7    |   |     |    |   |
[INFO] [stdout] +------+---+-----+----+---+
[INFO] [stdout] | 8    |   |     | 11 |   |
[INFO] [stdout] +------+---+-----+----+---+
[INFO] [stdout] | 9    |   |     |    |   |
[INFO] [stdout] +------+---+-----+----+---+
[INFO] [stdout] | 10   |   |     |    |   |
[INFO] [stdout] +------+---+-----+----+---+
[INFO] [stdout] | 11   |   |     |    |   |
[INFO] [stdout] +------+---+-----+----+---+
[INFO] [stdout] test parse_table::tests::generate_parse_table ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stelar
[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" "2b1e7c81f5411823cca647cc3cc83c421722e62401013a20622ec72f16fa1ed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b1e7c81f5411823cca647cc3cc83c421722e62401013a20622ec72f16fa1ed8", kill_on_drop: false }`
[INFO] [stdout] 2b1e7c81f5411823cca647cc3cc83c421722e62401013a20622ec72f16fa1ed8