[INFO] cloning repository https://github.com/brauliobz/crafting_interpreters
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brauliobz/crafting_interpreters" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrauliobz%2Fcrafting_interpreters", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrauliobz%2Fcrafting_interpreters'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 279c87bffac31e88f133893d285fdd2a3d5f66b4
[INFO] testing brauliobz/crafting_interpreters against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrauliobz%2Fcrafting_interpreters" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brauliobz/crafting_interpreters on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brauliobz/crafting_interpreters
[INFO] finished tweaking git repo https://github.com/brauliobz/crafting_interpreters
[INFO] tweaked toml for git repo https://github.com/brauliobz/crafting_interpreters written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/brauliobz/crafting_interpreters already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-ranges v1.0.5
[INFO] [stderr]   Downloaded beef v0.5.1
[INFO] [stderr]   Downloaded logos-derive v0.12.0
[INFO] [stderr]   Downloaded logos v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] cd75e9c7f69b33ecd8e5ae91a2769a46c0ff4d69ca43376134f9ab263c4ea42d
[INFO] running `Command { std: "docker" "start" "-a" "cd75e9c7f69b33ecd8e5ae91a2769a46c0ff4d69ca43376134f9ab263c4ea42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd75e9c7f69b33ecd8e5ae91a2769a46c0ff4d69ca43376134f9ab263c4ea42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd75e9c7f69b33ecd8e5ae91a2769a46c0ff4d69ca43376134f9ab263c4ea42d", kill_on_drop: false }`
[INFO] [stdout] cd75e9c7f69b33ecd8e5ae91a2769a46c0ff4d69ca43376134f9ab263c4ea42d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", 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] c8ade52d30f4a7ebcbc82b9e3b089f819530b0227d9b05cbe1f18fe562ad6594
[INFO] running `Command { std: "docker" "start" "-a" "c8ade52d30f4a7ebcbc82b9e3b089f819530b0227d9b05cbe1f18fe562ad6594", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         std::io::stdout().lock().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `Command { std: "docker" "inspect" "c8ade52d30f4a7ebcbc82b9e3b089f819530b0227d9b05cbe1f18fe562ad6594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8ade52d30f4a7ebcbc82b9e3b089f819530b0227d9b05cbe1f18fe562ad6594", kill_on_drop: false }`
[INFO] [stdout] c8ade52d30f4a7ebcbc82b9e3b089f819530b0227d9b05cbe1f18fe562ad6594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70f1380794a3df1a1cb685c1a3140fc00e9255cc780d637897053e312ffa481f
[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" "70f1380794a3df1a1cb685c1a3140fc00e9255cc780d637897053e312ffa481f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         std::io::stdout().lock().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         std::io::stdout().lock().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "70f1380794a3df1a1cb685c1a3140fc00e9255cc780d637897053e312ffa481f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70f1380794a3df1a1cb685c1a3140fc00e9255cc780d637897053e312ffa481f", kill_on_drop: false }`
[INFO] [stdout] 70f1380794a3df1a1cb685c1a3140fc00e9255cc780d637897053e312ffa481f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] 95fa4292beb5c929dcdfc6fcea6b0b2e797c7e55841ac8ccc46241ac2772c19a
[INFO] running `Command { std: "docker" "start" "-a" "95fa4292beb5c929dcdfc6fcea6b0b2e797c7e55841ac8ccc46241ac2772c19a", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         std::io::stdout().lock().flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `rlox` (bin "rlox" test) generated 1 warning
[INFO] [stderr] warning: `rlox` (bin "rlox") generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rlox-ecec6613358cd710)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test scanner::tests::test_comment ... ok
[INFO] [stdout] test scanner::tests::test_number_float ... ok
[INFO] [stdout] test scanner::tests::test_number_integer ... ok
[INFO] [stdout] test scanner::tests::test_string ... ok
[INFO] [stdout] test scanner::tests::test_number_integer_dot ... ok
[INFO] [stdout] test scanner::tests::test_string_not_ended ... ok
[INFO] [stdout] test scanner::tests::test_unicode_string ... ok
[INFO] [stdout] test scanner::tests::test_comment_end_of_file ... ok
[INFO] [stdout] test scanner::tests::test_identifier_start_with_underscore ... ok
[INFO] [stdout] test scanner::tests::test_multiline_string ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rlox-179e16cd07804dc2)
[INFO] [stdout] test scanner::tests::test_comment_at_line_end ... ok
[INFO] [stdout] test scanner::tests::test_keywords ... ok
[INFO] [stdout] test scanner::tests::test_identifier_start_with_uppercase ... ok
[INFO] [stdout] test scanner::tests::test_identifier_with_keyword_prefix ... ok
[INFO] [stdout] test scanner::tests::test_identifier_with_number ... ok
[INFO] [stdout] test scanner::tests::test_identifier_start_with_letter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/scanner_tests.rs (/opt/rustwide/target/debug/deps/scanner_tests-14135f02e8a0fc29)
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_all_tokens ... ok
[INFO] [stdout] test test_scan_tokens_hello_world ... ok
[INFO] [stdout] test test_scan_tokens_newline ... ok
[INFO] [stdout] test test_scan_tokens_newline_bug ... ok
[INFO] [stderr]    Doc-tests rlox
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "95fa4292beb5c929dcdfc6fcea6b0b2e797c7e55841ac8ccc46241ac2772c19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95fa4292beb5c929dcdfc6fcea6b0b2e797c7e55841ac8ccc46241ac2772c19a", kill_on_drop: false }`
[INFO] [stdout] 95fa4292beb5c929dcdfc6fcea6b0b2e797c7e55841ac8ccc46241ac2772c19a