[INFO] cloning repository https://github.com/tverghis/lox_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tverghis/lox_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftverghis%2Flox_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftverghis%2Flox_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35670a0df159ca7b3c0772dae3b460591897294f
[INFO] testing tverghis/lox_rs against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftverghis%2Flox_rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tverghis/lox_rs
[INFO] finished tweaking git repo https://github.com/tverghis/lox_rs
[INFO] tweaked toml for git repo https://github.com/tverghis/lox_rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tverghis/lox_rs on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tverghis/lox_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing tverghis/lox_rs against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftverghis%2Flox_rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tverghis/lox_rs
[INFO] finished tweaking git repo https://github.com/tverghis/lox_rs
[INFO] tweaked toml for git repo https://github.com/tverghis/lox_rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tverghis/lox_rs on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tverghis/lox_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8cf498e57601c8918c4f2e126307b1f503ff65f530fdf6191d51009c2fd19f9
[INFO] running `Command { std: "docker" "start" "-a" "b8cf498e57601c8918c4f2e126307b1f503ff65f530fdf6191d51009c2fd19f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8cf498e57601c8918c4f2e126307b1f503ff65f530fdf6191d51009c2fd19f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8cf498e57601c8918c4f2e126307b1f503ff65f530fdf6191d51009c2fd19f9", kill_on_drop: false }`
[INFO] [stdout] b8cf498e57601c8918c4f2e126307b1f503ff65f530fdf6191d51009c2fd19f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 724fa2f54751f98185590ec9e11d978c86369e19ac44b2d228d07484fec7067a
[INFO] running `Command { std: "docker" "start" "-a" "724fa2f54751f98185590ec9e11d978c86369e19ac44b2d228d07484fec7067a", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         dbg!(x);
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let _ = dbg!(x);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "724fa2f54751f98185590ec9e11d978c86369e19ac44b2d228d07484fec7067a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "724fa2f54751f98185590ec9e11d978c86369e19ac44b2d228d07484fec7067a", kill_on_drop: false }`
[INFO] [stdout] 724fa2f54751f98185590ec9e11d978c86369e19ac44b2d228d07484fec7067a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ea9242495c86fd873cb5836ebbbd134183fde340da5106a0fb7b29665d62eff
[INFO] running `Command { std: "docker" "start" "-a" "7ea9242495c86fd873cb5836ebbbd134183fde340da5106a0fb7b29665d62eff", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         dbg!(x);
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let _ = dbg!(x);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "7ea9242495c86fd873cb5836ebbbd134183fde340da5106a0fb7b29665d62eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea9242495c86fd873cb5836ebbbd134183fde340da5106a0fb7b29665d62eff", kill_on_drop: false }`
[INFO] [stdout] 7ea9242495c86fd873cb5836ebbbd134183fde340da5106a0fb7b29665d62eff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b01b20c9b5f62a02d9748f3b87979ff5d6387280ffeb64c17d95b02baf49857
[INFO] running `Command { std: "docker" "start" "-a" "7b01b20c9b5f62a02d9748f3b87979ff5d6387280ffeb64c17d95b02baf49857", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         dbg!(x);
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let _ = dbg!(x);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `lox_rs` (bin "lox_rs" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lox_rs-615bfe060188bcdd)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test lex::lexer::lexer_tests::empty_source ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::identifer_alpha_only ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::floating_point_number ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::emtpy_string ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::float_dot_other ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::identifier_after ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::identifer_starting_with_keyword ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::identifier_complex ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::integer_dot_nothing ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::integer_dot_other ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::invalid_utf8_string ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::keywords ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::multi_line_source ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::multi_line_string ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::multiple_token_source ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::number_before_and_after ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::only_unknown_tokens ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::parse_str_ok ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::operators_grouping_comments ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::parse_str_utf8_error ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::simple_number ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::simple_string ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::single_token_source ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::unterminated_string ... ok
[INFO] [stdout] test lex::lexer::lexer_tests::some_unknown_tokens ... ok
[INFO] [stdout] test lex::token::span_tests::test_adjacent_true ... ok
[INFO] [stdout] test lex::token::span_tests::test_merge_reversed ... ok
[INFO] [stdout] test lex::token::span_tests::test_adjacent_false_different_lines ... ok
[INFO] [stdout] test lex::token::span_tests::test_adjacent_false_same_line ... ok
[INFO] [stdout] test lex::token::span_tests::test_merge_adjacent ... ok
[INFO] [stdout] test lex::token::span_tests::test_merge_not_adjacent - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lox_rs-acb76b291760246b)
[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] [stderr]    Doc-tests lox_rs
[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" "7b01b20c9b5f62a02d9748f3b87979ff5d6387280ffeb64c17d95b02baf49857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b01b20c9b5f62a02d9748f3b87979ff5d6387280ffeb64c17d95b02baf49857", kill_on_drop: false }`
[INFO] [stdout] 7b01b20c9b5f62a02d9748f3b87979ff5d6387280ffeb64c17d95b02baf49857