[INFO] cloning repository https://github.com/nasso/rscc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nasso/rscc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnasso%2Frscc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnasso%2Frscc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6715bcc37b0b06ad6423af7c4d762289df66921
[INFO] testing nasso/rscc against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnasso%2Frscc" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nasso/rscc on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nasso/rscc
[INFO] finished tweaking git repo https://github.com/nasso/rscc
[INFO] tweaked toml for git repo https://github.com/nasso/rscc written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/nasso/rscc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 106b8c6b9b162537c2088ef02bc7a3531fc6b19e6f833e9f13ef81c4bd08dd4b
[INFO] running `Command { std: "docker" "start" "-a" "106b8c6b9b162537c2088ef02bc7a3531fc6b19e6f833e9f13ef81c4bd08dd4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "106b8c6b9b162537c2088ef02bc7a3531fc6b19e6f833e9f13ef81c4bd08dd4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "106b8c6b9b162537c2088ef02bc7a3531fc6b19e6f833e9f13ef81c4bd08dd4b", kill_on_drop: false }`
[INFO] [stdout] 106b8c6b9b162537c2088ef02bc7a3531fc6b19e6f833e9f13ef81c4bd08dd4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 97f5621617b610fe4df394816f1426ba1732e378ec6b20203c3b37115bdf0506
[INFO] running `Command { std: "docker" "start" "-a" "97f5621617b610fe4df394816f1426ba1732e378ec6b20203c3b37115bdf0506", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling nom v5.0.0-beta2
[INFO] [stderr]    Compiling stackvector v1.0.2
[INFO] [stderr]    Compiling lexical-core v0.4.0
[INFO] [stderr]    Compiling rscc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pp_tokens`
[INFO] [stdout]   --> src/pre/mod.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let pp_tokens = parse::parse_preprocessing_file::<VerboseError<&str>>(&source)
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pp_tokens`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.71s
[INFO] running `Command { std: "docker" "inspect" "97f5621617b610fe4df394816f1426ba1732e378ec6b20203c3b37115bdf0506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f5621617b610fe4df394816f1426ba1732e378ec6b20203c3b37115bdf0506", kill_on_drop: false }`
[INFO] [stdout] 97f5621617b610fe4df394816f1426ba1732e378ec6b20203c3b37115bdf0506
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--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] 423b9421485fd47f79b5dd662cddcd936622c51f713035559dcfc78d53da12cc
[INFO] running `Command { std: "docker" "start" "-a" "423b9421485fd47f79b5dd662cddcd936622c51f713035559dcfc78d53da12cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rscc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pp_tokens`
[INFO] [stdout]   --> src/pre/mod.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let pp_tokens = parse::parse_preprocessing_file::<VerboseError<&str>>(&source)
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pp_tokens`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pp_tokens`
[INFO] [stdout]   --> src/pre/mod.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let pp_tokens = parse::parse_preprocessing_file::<VerboseError<&str>>(&source)
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pp_tokens`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.38s
[INFO] running `Command { std: "docker" "inspect" "423b9421485fd47f79b5dd662cddcd936622c51f713035559dcfc78d53da12cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "423b9421485fd47f79b5dd662cddcd936622c51f713035559dcfc78d53da12cc", kill_on_drop: false }`
[INFO] [stdout] 423b9421485fd47f79b5dd662cddcd936622c51f713035559dcfc78d53da12cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 59e9156baad6ff3c90ee1f3d3be1ce09832da1a76b337b0abb49bb197fdecacb
[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" "59e9156baad6ff3c90ee1f3d3be1ce09832da1a76b337b0abb49bb197fdecacb", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `pp_tokens`
[INFO] [stderr]   --> src/pre/mod.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let pp_tokens = parse::parse_preprocessing_file::<VerboseError<&str>>(&source)
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pp_tokens`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pp_tokens`
[INFO] [stderr]   --> src/pre/mod.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let pp_tokens = parse::parse_preprocessing_file::<VerboseError<&str>>(&source)
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pp_tokens`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rscc-cfe14e847e2c0e0f
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test parser::common::tests::parse_identifier ... ok
[INFO] [stdout] test parser::common::tests::parse_decimal_constant ... ok
[INFO] [stdout] test parser::common::tests::parse_long_decimal_constant ... ok
[INFO] [stdout] test pre::parse::tests::test_parse_header_name ... ok
[INFO] [stdout] test parser::statements::tests::parse_return_statement ... ok
[INFO] [stdout] test parser::common::tests::parse_func_args_def ... ok
[INFO] [stdout] test parser::common::tests::parse_unsigned_decimal_constant ... ok
[INFO] [stdout] test pre::parse::tests::test_parse_pp_number ... ok
[INFO] [stdout] test pre::parse::tests::test_parse_string_literal ... ok
[INFO] [stdout] test pre::parse::tests::test_parse_identifier ... ok
[INFO] [stdout] test pre::tests::test_escape_newlines ... ok
[INFO] [stdout] test parser::common::tests::parse_primitive_type ... ok
[INFO] [stdout] test pre::tests::test_sanitize_newlines ... ok
[INFO] [stdout] test pre::parse::tests::test_parse_control_line_whitespace ... ok
[INFO] [stdout] test parser::common::tests::parse_unsigned_long_decimal_constant ... ok
[INFO] [stdout] test pre::tests::test_replace_trigraph_sequences ... ok
[INFO] [stdout] test pre::parse::tests::test_parse_character_constant ... ok
[INFO] [stdout] test pre::parse::tests::test_parse_control_line ... ok
[INFO] [stdout] test parser::common::tests::parse_identifier_panic_when_reserved ... ok
[INFO] [stdout] test parser::common::tests::parse_primitive_type_panic_on_invalid_type ... ok
[INFO] [stdout] test pre::parse::tests::test_parse_identifier_fail ... ok
[INFO] [stdout] test pre::parse::tests::test_tokens ... ok
[INFO] [stdout] test parser::common::tests::parse_func_args_def_panic_on_trailing_comma ... ok
[INFO] [stdout] test parser::common::tests::parse_identifier_panic_when_starts_with_digit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rscc-86307e6da7d0de77
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rscc
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "59e9156baad6ff3c90ee1f3d3be1ce09832da1a76b337b0abb49bb197fdecacb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e9156baad6ff3c90ee1f3d3be1ce09832da1a76b337b0abb49bb197fdecacb", kill_on_drop: false }`
[INFO] [stdout] 59e9156baad6ff3c90ee1f3d3be1ce09832da1a76b337b0abb49bb197fdecacb