[INFO] updating cached repository https://github.com/schultyy/pianolang-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 39d8f4148712050b3f640fa320138a1bc28ae3e0
[INFO] testing schultyy/pianolang-rs against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschultyy%2Fpianolang-rs" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/schultyy/pianolang-rs on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/schultyy/pianolang-rs
[INFO] finished tweaking git repo https://github.com/schultyy/pianolang-rs
[INFO] tweaked toml for git repo https://github.com/schultyy/pianolang-rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/schultyy/pianolang-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f3dcd363d6cf98cfe04dd67a39316ce209f1bfa7b912d5a38e89dc288c7a9651
[INFO] running `"docker" "start" "-a" "f3dcd363d6cf98cfe04dd67a39316ce209f1bfa7b912d5a38e89dc288c7a9651"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling pianolang-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:43:18
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let tokens = try!(lexer::create_tokens(program));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/traverser.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use parser::{self, AstNode, AstType};
[INFO] [stderr]   |              ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Value`
[INFO] [stderr]   --> src/parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Value
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "f3dcd363d6cf98cfe04dd67a39316ce209f1bfa7b912d5a38e89dc288c7a9651"`
[INFO] running `"docker" "rm" "-f" "f3dcd363d6cf98cfe04dd67a39316ce209f1bfa7b912d5a38e89dc288c7a9651"`
[INFO] [stdout] f3dcd363d6cf98cfe04dd67a39316ce209f1bfa7b912d5a38e89dc288c7a9651
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b645772443e9f0526e39bb637c29e241476058651915693e13be336b48ad8a2a
[INFO] running `"docker" "start" "-a" "b645772443e9f0526e39bb637c29e241476058651915693e13be336b48ad8a2a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling pianolang-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:43:18
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let tokens = try!(lexer::create_tokens(program));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/traverser.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use parser::{self, AstNode, AstType};
[INFO] [stderr]   |              ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Value`
[INFO] [stderr]   --> src/parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Value
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `"docker" "inspect" "b645772443e9f0526e39bb637c29e241476058651915693e13be336b48ad8a2a"`
[INFO] running `"docker" "rm" "-f" "b645772443e9f0526e39bb637c29e241476058651915693e13be336b48ad8a2a"`
[INFO] [stdout] b645772443e9f0526e39bb637c29e241476058651915693e13be336b48ad8a2a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d4cf4af8138f5bbcf985e1bec7f52214dc48fb4b51e9ef03f746a8ea0455058a
[INFO] running `"docker" "start" "-a" "d4cf4af8138f5bbcf985e1bec7f52214dc48fb4b51e9ef03f746a8ea0455058a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:43:18
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let tokens = try!(lexer::create_tokens(program));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/traverser.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use parser::{self, AstNode, AstType};
[INFO] [stderr]   |              ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Value`
[INFO] [stderr]   --> src/parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Value
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pianolang_rs-d7e6ecb4cc2c1503
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test parser::tests::ast_has_division_type ... ok
[INFO] [stdout] test parser::tests::ast_has_multiply_type ... ok
[INFO] [stdout] test parser::tests::ast_has_addition_type ... ok
[INFO] [stdout] test parser::tests::ast_left_node_is_number ... ok
[INFO] [stdout] test parser::tests::ast_has_subtraction_type ... ok
[INFO] [stdout] test traverser::tests::traverse_subtraction ... ok
[INFO] [stdout] test traverser::tests::traverse_multiplication ... ok
[INFO] [stdout] test traverser::tests::traverse_division ... ok
[INFO] [stdout] test traverser::tests::traverse_addition ... ok
[INFO] [stdout] test parser::tests::returns_err_if_operator_is_unknown ... ok
[INFO] [stdout] test parser::tests::ast_right_node_type_is_number ... ok
[INFO] [stdout] test parser::tests::ast_right_node_is_number ... ok
[INFO] [stdout] test parser::tests::ast_left_node_type_is_number ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d4cf4af8138f5bbcf985e1bec7f52214dc48fb4b51e9ef03f746a8ea0455058a"`
[INFO] running `"docker" "rm" "-f" "d4cf4af8138f5bbcf985e1bec7f52214dc48fb4b51e9ef03f746a8ea0455058a"`
[INFO] [stdout] d4cf4af8138f5bbcf985e1bec7f52214dc48fb4b51e9ef03f746a8ea0455058a