[INFO] updating cached repository https://github.com/Ristarg/ronfmt
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] f017d1ea8e3bfb237ffcd9f9fbeec6c4542b8f0a
[INFO] testing Ristarg/ronfmt against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FRistarg%2Fronfmt" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ristarg/ronfmt on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Ristarg/ronfmt
[INFO] finished tweaking git repo https://github.com/Ristarg/ronfmt
[INFO] tweaked toml for git repo https://github.com/Ristarg/ronfmt written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Ristarg/ronfmt already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: unused manifest key: package.maintenance
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 03d709a957685ed3c0a422b1f7aadcf3c3c5d50165567970e1cb95a3afd25b09
[INFO] running `"docker" "start" "-a" "03d709a957685ed3c0a422b1f7aadcf3c3c5d50165567970e1cb95a3afd25b09"`
[INFO] [stderr] warning: unused manifest key: package.maintenance
[INFO] [stderr]    Compiling pest v2.0.2
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling pest_meta v2.0.3
[INFO] [stderr]    Compiling pest_generator v2.0.0
[INFO] [stderr]    Compiling pest_derive v2.0.1
[INFO] [stderr]    Compiling ronfmt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ast/display.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |             writeln!(f, "#![enable({})]", extensions.iter().join(", "));
[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]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.32s
[INFO] running `"docker" "inspect" "03d709a957685ed3c0a422b1f7aadcf3c3c5d50165567970e1cb95a3afd25b09"`
[INFO] running `"docker" "rm" "-f" "03d709a957685ed3c0a422b1f7aadcf3c3c5d50165567970e1cb95a3afd25b09"`
[INFO] [stdout] 03d709a957685ed3c0a422b1f7aadcf3c3c5d50165567970e1cb95a3afd25b09
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] d184ab1b9da7ef0483fca3d03dbe892c52718d73cb66d1e0ab7b8144789bb48a
[INFO] running `"docker" "start" "-a" "d184ab1b9da7ef0483fca3d03dbe892c52718d73cb66d1e0ab7b8144789bb48a"`
[INFO] [stderr] warning: unused manifest key: package.maintenance
[INFO] [stderr]    Compiling ronfmt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ast/display.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |             writeln!(f, "#![enable({})]", extensions.iter().join(", "));
[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]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "d184ab1b9da7ef0483fca3d03dbe892c52718d73cb66d1e0ab7b8144789bb48a"`
[INFO] running `"docker" "rm" "-f" "d184ab1b9da7ef0483fca3d03dbe892c52718d73cb66d1e0ab7b8144789bb48a"`
[INFO] [stdout] d184ab1b9da7ef0483fca3d03dbe892c52718d73cb66d1e0ab7b8144789bb48a
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] deff70d456e0beabf00cb5662bda6191eca98fc5ce0156cde159e552034a60dd
[INFO] running `"docker" "start" "-a" "deff70d456e0beabf00cb5662bda6191eca98fc5ce0156cde159e552034a60dd"`
[INFO] [stderr] warning: unused manifest key: package.maintenance
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ronfmt-f9ab57e7bff6fc52
[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 `"docker" "inspect" "deff70d456e0beabf00cb5662bda6191eca98fc5ce0156cde159e552034a60dd"`
[INFO] running `"docker" "rm" "-f" "deff70d456e0beabf00cb5662bda6191eca98fc5ce0156cde159e552034a60dd"`
[INFO] [stdout] deff70d456e0beabf00cb5662bda6191eca98fc5ce0156cde159e552034a60dd