[INFO] fetching crate stelar 0.1.3...
[INFO] testing stelar-0.1.3 against 1.49.0 for beta-1.50-1
[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 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48c85b08515dd9117699c2b1ef50c57ad762a5772c3bf9afdb5fbf10f9036911
[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" "48c85b08515dd9117699c2b1ef50c57ad762a5772c3bf9afdb5fbf10f9036911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48c85b08515dd9117699c2b1ef50c57ad762a5772c3bf9afdb5fbf10f9036911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c85b08515dd9117699c2b1ef50c57ad762a5772c3bf9afdb5fbf10f9036911", kill_on_drop: false }`
[INFO] [stdout] 48c85b08515dd9117699c2b1ef50c57ad762a5772c3bf9afdb5fbf10f9036911
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a19e16c24460c416fcfe3d33ad11100f5b945fcfed3cb1dac29a196852a5a9ba
[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" "a19e16c24460c416fcfe3d33ad11100f5b945fcfed3cb1dac29a196852a5a9ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling stelar v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Vec::<T>::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 1.45s
[INFO] running `Command { std: "docker" "inspect" "a19e16c24460c416fcfe3d33ad11100f5b945fcfed3cb1dac29a196852a5a9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a19e16c24460c416fcfe3d33ad11100f5b945fcfed3cb1dac29a196852a5a9ba", kill_on_drop: false }`
[INFO] [stdout] a19e16c24460c416fcfe3d33ad11100f5b945fcfed3cb1dac29a196852a5a9ba
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73db4027d6a318df72dd61c4ea31f102577ad21da4d88b41de07094f786c635e
[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" "73db4027d6a318df72dd61c4ea31f102577ad21da4d88b41de07094f786c635e", kill_on_drop: false }`
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stdout] warning: unused return value of `Vec::<T>::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 csv v1.1.5
[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>::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 10.99s
[INFO] running `Command { std: "docker" "inspect" "73db4027d6a318df72dd61c4ea31f102577ad21da4d88b41de07094f786c635e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73db4027d6a318df72dd61c4ea31f102577ad21da4d88b41de07094f786c635e", kill_on_drop: false }`
[INFO] [stdout] 73db4027d6a318df72dd61c4ea31f102577ad21da4d88b41de07094f786c635e
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 78dc7ad44b1f948a485ff38d59e9c94b61fbd486cc0585528b10a546ea6cc759
[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" "78dc7ad44b1f948a485ff38d59e9c94b61fbd486cc0585528b10a546ea6cc759", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `Vec::<T>::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>::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 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stelar-6ec2a1be59efcb8c
[INFO] [stdout] running 10 tests
[INFO] [stdout] test parse_table::tests::empty_closure ... ok
[INFO] [stdout] test parse_table::tests::get_symbols ... ok
[INFO] [stdout] test parse_table::tests::compute_follow ... ok
[INFO] [stdout] test parse_table::tests::invalid_grammar ... ok
[INFO] [stdout] test parse_table::tests::simple_closure ... ok
[INFO] [stdout] test parse_table::tests::compute_first ... ok
[INFO] [stdout] test parse_table::tests::goto_test ... ok
[INFO] [stdout] test parse_table::tests::valid_grammar ... ok
[INFO] [stdout] +--------+-------+--------+----+--------+------+--------+
[INFO] [stdout] | Action | Times | RParen | Id | LParen | Plus | <EOF>  |
[INFO] [stdout] +--------+-------+--------+----+--------+------+--------+
[INFO] [stdout] | 0      |       |        | s4 | s5     |      |        |
[INFO] [stdout] +--------+-------+--------+----+--------+------+--------+
[INFO] [stdout] | 1      | r4    | r4     |    |        | r4   | r4     |
[INFO] [stdout] +--------+-------+--------+----+--------+------+--------+
[INFO] [stdout] | 2      |       |        |    |        | s6   | accept |
[INFO] [stdout] +--------+-------+--------+----+--------+------+--------+
[INFO] [stdout] | 3      | s7    | r2     |    |        | r2   | r2     |
[INFO] [stdout] +--------+-------+--------+----+--------+------+--------+
[INFO] [stdout] | 4      | r6    | r6     |    |        | r6   | r6     |
[INFO] [stdout] +--------+-------+--------+----+--------+------+--------+
[INFO] [stdout] | 5      |       |        | s4 | s5     |      |        |
[INFO] [stdout] +--------+-------+--------+----+--------+------+--------+
[INFO] [stdout] | 6      |       |        | s4 | s5     |      |        |
[INFO] [stdout] +--------+-------+--------+----+--------+------+--------+
[INFO] [stdout] | 7      |       |        | s4 | s5     |      |        |
[INFO] [stdout] +--------+-------+--------+----+--------+------+--------+
[INFO] [stdout] | 8      |       | s11    |    |        | s6   |        |
[INFO] [stdout] +--------+-------+--------+----+--------+------+--------+
[INFO] [stdout] | 9      | s7    | r1     |    |        | r1   | r1     |
[INFO] [stdout] +--------+-------+--------+----+--------+------+--------+
[INFO] [stdout] | 10     | r3    | r3     |    |        | r3   | r3     |
[INFO] [stdout] +--------+-------+--------+----+--------+------+--------+
[INFO] [stdout] | 11     | r5    | r5     |    |        | r5   | r5     |
[INFO] [stdout] +--------+-------+--------+----+--------+------+--------+
[INFO] [stdout] +------+-----+---+---+----+
[INFO] [stdout] | Goto | Ext | E | T | F  |
[INFO] [stdout] +------+-----+---+---+----+
[INFO] [stdout] | 0    |     | 2 | 3 | 1  |
[INFO] [stdout] +------+-----+---+---+----+
[INFO] [stdout] | 1    |     |   |   |    |
[INFO] [stdout] +------+-----+---+---+----+
[INFO] [stdout] | 2    |     |   |   |    |
[INFO] [stdout] +------+-----+---+---+----+
[INFO] [stdout] | 3    |     |   |   |    |
[INFO] [stdout] +------+-----+---+---+----+
[INFO] [stdout] | 4    |     |   |   |    |
[INFO] [stdout] +------+-----+---+---+----+
[INFO] [stdout] | 5    |     | 8 | 3 | 1  |
[INFO] [stdout] +------+-----+---+---+----+
[INFO] [stdout] test parse_table::tests::test_generate_sets ... ok
[INFO] [stdout] | 6    |     |   | 9 | 1  |
[INFO] [stdout] +------+-----+---+---+----+
[INFO] [stdout] | 7    |     |   |   | 10 |
[INFO] [stdout] +------+-----+---+---+----+
[INFO] [stdout] | 8    |     |   |   |    |
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "78dc7ad44b1f948a485ff38d59e9c94b61fbd486cc0585528b10a546ea6cc759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78dc7ad44b1f948a485ff38d59e9c94b61fbd486cc0585528b10a546ea6cc759", kill_on_drop: false }`
[INFO] [stdout] 78dc7ad44b1f948a485ff38d59e9c94b61fbd486cc0585528b10a546ea6cc759