[INFO] cloning repository https://github.com/khayliang/fe2o3-cc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khayliang/fe2o3-cc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhayliang%2Ffe2o3-cc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhayliang%2Ffe2o3-cc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e15db7a6eff494a7dac346af1ed52977d56b9a2b
[INFO] testing khayliang/fe2o3-cc against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhayliang%2Ffe2o3-cc" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/khayliang/fe2o3-cc on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/khayliang/fe2o3-cc
[INFO] finished tweaking git repo https://github.com/khayliang/fe2o3-cc
[INFO] tweaked toml for git repo https://github.com/khayliang/fe2o3-cc written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/khayliang/fe2o3-cc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33d9ab0e35cb1f0e4faceab7f5450d375b48c6f3aaf9d53df9582748be6c5f9e
[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" "33d9ab0e35cb1f0e4faceab7f5450d375b48c6f3aaf9d53df9582748be6c5f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33d9ab0e35cb1f0e4faceab7f5450d375b48c6f3aaf9d53df9582748be6c5f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d9ab0e35cb1f0e4faceab7f5450d375b48c6f3aaf9d53df9582748be6c5f9e", kill_on_drop: false }`
[INFO] [stdout] 33d9ab0e35cb1f0e4faceab7f5450d375b48c6f3aaf9d53df9582748be6c5f9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f29a53e0751739eb16542b0f9c1cafb2c61d1a0b59636fb4359134778625d6d
[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" "6f29a53e0751739eb16542b0f9c1cafb2c61d1a0b59636fb4359134778625d6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling textwrap v0.13.4
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]    Compiling rust_cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "6f29a53e0751739eb16542b0f9c1cafb2c61d1a0b59636fb4359134778625d6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f29a53e0751739eb16542b0f9c1cafb2c61d1a0b59636fb4359134778625d6d", kill_on_drop: false }`
[INFO] [stdout] 6f29a53e0751739eb16542b0f9c1cafb2c61d1a0b59636fb4359134778625d6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1303bd5cba639df48166221199bf1d7707eac2f2b42af7343a0772260298e352
[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" "1303bd5cba639df48166221199bf1d7707eac2f2b42af7343a0772260298e352", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "1303bd5cba639df48166221199bf1d7707eac2f2b42af7343a0772260298e352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1303bd5cba639df48166221199bf1d7707eac2f2b42af7343a0772260298e352", kill_on_drop: false }`
[INFO] [stdout] 1303bd5cba639df48166221199bf1d7707eac2f2b42af7343a0772260298e352
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f2a3f897e2aef1a3f9f29b97c015a4fb8d385d0a9b77d1e54b05f45807f4e2f3
[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" "f2a3f897e2aef1a3f9f29b97c015a4fb8d385d0a9b77d1e54b05f45807f4e2f3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_cc-ba024116aec3a4c7)
[INFO] [stdout] running 19 tests
[INFO] [stdout] test parser::tests::test_parse_return_statement_tokens ... ok
[INFO] [stdout] test parser::tests::test_parse_all_tokens_into_program_with_main ... ok
[INFO] [stdout] test syntax::tests::tests::test_program ... ok
[INFO] [stdout] test parser::tests::test_parse_expression_tokens ... ok
[INFO] [stdout] test tokenizer::tests::test_token_factory_builds_keywords ... ok
[INFO] [stdout] test parser::tests::test_parse_function_statement_tokens ... ok
[INFO] [stdout] test tokenizer::tests::test_token_factory_builds_punctuation ... ok
[INFO] [stdout] test syntax::tests::tests::test_integer_variable ... ok
[INFO] [stdout] test tokenizer::tests::test_token_factory_builds_unary_operations ... ok
[INFO] [stdout] test tokenizer::tests::test_tokenize_empty_string ... ok
[INFO] [stdout] test syntax::tests::tests::test_constant_expression ... ok
[INFO] [stdout] test syntax::tests::tests::test_function ... ok
[INFO] [stdout] test tokenizer::tests::test_token_builder_builds_return_2 ... ok
[INFO] [stdout] test tokenizer::tests::test_token_factory_builds_integer_constants ... ok
[INFO] [stdout] test syntax::tests::tests::test_return_statement ... ok
[INFO] [stdout] test tokenizer::tests::test_tokenize_func_tokenizes_string ... ok
[INFO] [stdout] test tokenizer::tests::test_token_factory_builds_identifiers ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_cc-de18699f27f8a229)
[INFO] [stdout] test parser::tests::test_parse_tokens_into_program_without_main_function ... ok
[INFO] [stdout] test syntax::tests::tests::create_new_program_fails ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[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] [stderr]    Doc-tests rust_cc
[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" "f2a3f897e2aef1a3f9f29b97c015a4fb8d385d0a9b77d1e54b05f45807f4e2f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a3f897e2aef1a3f9f29b97c015a4fb8d385d0a9b77d1e54b05f45807f4e2f3", kill_on_drop: false }`
[INFO] [stdout] f2a3f897e2aef1a3f9f29b97c015a4fb8d385d0a9b77d1e54b05f45807f4e2f3