[INFO] fetching crate stelar 0.1.3...
[INFO] testing stelar-0.1.3 against 1.55.0 for beta-1.56-1
[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 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e47acddb8884fb14f7c8ec8295f8f550c10c5dc77e9016d5f55c6753cce57e9a
[INFO] running `Command { std: "docker" "start" "-a" "e47acddb8884fb14f7c8ec8295f8f550c10c5dc77e9016d5f55c6753cce57e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e47acddb8884fb14f7c8ec8295f8f550c10c5dc77e9016d5f55c6753cce57e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e47acddb8884fb14f7c8ec8295f8f550c10c5dc77e9016d5f55c6753cce57e9a", kill_on_drop: false }`
[INFO] [stdout] e47acddb8884fb14f7c8ec8295f8f550c10c5dc77e9016d5f55c6753cce57e9a
[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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 647e36252853c5f2a2466adfa43a4f99bdf99f589c016601f5d3eb0cb7c4eb6a
[INFO] running `Command { std: "docker" "start" "-a" "647e36252853c5f2a2466adfa43a4f99bdf99f589c016601f5d3eb0cb7c4eb6a", 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 0.51s
[INFO] running `Command { std: "docker" "inspect" "647e36252853c5f2a2466adfa43a4f99bdf99f589c016601f5d3eb0cb7c4eb6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "647e36252853c5f2a2466adfa43a4f99bdf99f589c016601f5d3eb0cb7c4eb6a", kill_on_drop: false }`
[INFO] [stdout] 647e36252853c5f2a2466adfa43a4f99bdf99f589c016601f5d3eb0cb7c4eb6a
[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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e728825d801f5ef881419609f04de5f000e8f2c6b479fb311a8fb5abc6e7aeb
[INFO] running `Command { std: "docker" "start" "-a" "6e728825d801f5ef881419609f04de5f000e8f2c6b479fb311a8fb5abc6e7aeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[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-core v0.1.10
[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 8.56s
[INFO] running `Command { std: "docker" "inspect" "6e728825d801f5ef881419609f04de5f000e8f2c6b479fb311a8fb5abc6e7aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e728825d801f5ef881419609f04de5f000e8f2c6b479fb311a8fb5abc6e7aeb", kill_on_drop: false }`
[INFO] [stdout] 6e728825d801f5ef881419609f04de5f000e8f2c6b479fb311a8fb5abc6e7aeb
[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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2234179ff0df2177811f0ad0e4fc1588743d038e97c3b5e628bf3fc4f2a75c47
[INFO] running `Command { std: "docker" "start" "-a" "2234179ff0df2177811f0ad0e4fc1588743d038e97c3b5e628bf3fc4f2a75c47", 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: `stelar` (lib) generated 1 warning
[INFO] [stderr] warning: `stelar` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stelar-83f493acaac2a383)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test parse_table::tests::empty_closure ... 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::valid_grammar ... ok
[INFO] [stdout] +--------+-------+--------+--------+----+------+--------+
[INFO] [stdout] | Action | Times | RParen | LParen | Id | Plus | <EOF>  |
[INFO] [stdout] +--------+-------+--------+--------+----+------+--------+
[INFO] [stdout] | 0      |       |        | s2     | s3 |      |        |
[INFO] [stdout] +--------+-------+--------+--------+----+------+--------+
[INFO] [stdout] | 1      | s6    | r2     |        |    | r2   | test parse_table::tests::get_symbols ... ok
[INFO] [stdout] r2     |
[INFO] [stdout] +--------+-------+--------+--------+----+------+--------+
[INFO] [stdout] | 2      |       |        | s2     | s3 |      |        |
[INFO] [stdout] +--------+-------+--------+--------+----+------+--------+
[INFO] [stdout] | 3      | r6    | r6     |test parse_table::tests::goto_test ...  ok
[INFO] [stdout] test parse_table::tests::simple_closure ... ok
[INFO] [stdout] test parse_table::tests::test_generate_sets ... ok
[INFO] [stdout] test parse_table::tests::invalid_grammar ... ok
[INFO] [stdout]        |    | r6   | r6     |
[INFO] [stdout] +--------+-------+--------+--------+----+------+--------+
[INFO] [stdout] | 4      |       |        |        |    | s8   | accept |
[INFO] [stdout] +--------+-------+--------+--------+----+------+--------+
[INFO] [stdout] | 5      | r4    | r4     |        |    | r4   | r4     |
[INFO] [stdout] +--------+-------+--------+--------+----+------+--------+
[INFO] [stdout] | 6      |       |        | s2     | s3 |      |        |
[INFO] [stdout] +--------+-------+--------+--------+----+------+--------+
[INFO] [stdout] | 7      |       | s10    |        |    | s8   |        |
[INFO] [stdout] +--------+-------+--------+--------+----+------+--------+
[INFO] [stdout] | 8      |       |        | s2     | s3 |      |        |
[INFO] [stdout] +--------+-------+--------+--------+----+------+--------+
[INFO] [stdout] | 9      | r3    | r3     |        |    | r3   | r3     |
[INFO] [stdout] +--------+-------+--------+--------+----+------+--------+
[INFO] [stdout] | 10     | r5    | r5     |        |    | r5   | r5     |
[INFO] [stdout] +--------+-------+--------+--------+----+------+--------+
[INFO] [stdout] | 11     | s6    | r1     |        |    | r1   | r1     |
[INFO] [stdout] +--------+-------+--------+--------+----+------+--------+
[INFO] [stdout] +------+-----+---+----+---+
[INFO] [stdout] | Goto | Ext | F | T  | E |
[INFO] [stdout] +------+-----+---+----+---+
[INFO] [stdout] | 0    |     | 5 | 1  | 4 |
[INFO] [stdout] +------+-----+---+----+---+
[INFO] [stdout] | 1    |     |   |    |   |
[INFO] [stdout] +------+-----+---+----+---+
[INFO] [stdout] | 2    |     | 5 | 1  | 7 |
[INFO] [stdout] +------+-----+---+----+---+
[INFO] [stdout] | 3    |     |   |    |   |
[INFO] [stdout] +------+-----+---+----+---+
[INFO] [stdout] | 4    |     |   |    |   |
[INFO] [stdout] +------+-----+---+----+---+
[INFO] [stdout] | 5    |     |   |    |   |
[INFO] [stdout] +------+-----+---+----+---+
[INFO] [stdout] | 6    |     | 9 |    |   |
[INFO] [stdout] +------+-----+---+----+---+
[INFO] [stdout] | 7    |     |   |    |   |
[INFO] [stdout] +------+-----+---+----+---+
[INFO] [stdout] | 8    |     | 5 | 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 0.04s
[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" "2234179ff0df2177811f0ad0e4fc1588743d038e97c3b5e628bf3fc4f2a75c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2234179ff0df2177811f0ad0e4fc1588743d038e97c3b5e628bf3fc4f2a75c47", kill_on_drop: false }`
[INFO] [stdout] 2234179ff0df2177811f0ad0e4fc1588743d038e97c3b5e628bf3fc4f2a75c47