Dec 17 18:39:07.475 INFO checking nojima/qurl against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 18:39:07.475 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/nojima/qurl:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:39:07.723 INFO [stdout] 7dec07f76545e26591153377807c8b1f5fc690af73dac1ed3c85cda86e5e96ec
Dec 17 18:39:07.725 INFO running `"docker" "start" "-a" "7dec07f76545e26591153377807c8b1f5fc690af73dac1ed3c85cda86e5e96ec"`
Dec 17 18:39:08.329 INFO [stderr]     Checking qurl v0.1.0 (/opt/crater/workdir)
Dec 17 18:39:09.297 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.297 INFO [stderr]   --> src/yaml_to_json.rs:71:13
Dec 17 18:39:09.297 INFO [stderr]    |
Dec 17 18:39:09.297 INFO [stderr] 71 |             write!(out, "{}", real);
Dec 17 18:39:09.297 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.297 INFO [stderr]    |
Dec 17 18:39:09.297 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 18:39:09.297 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.297 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.297 INFO [stderr] 
Dec 17 18:39:09.297 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.297 INFO [stderr]   --> src/yaml_to_json.rs:74:13
Dec 17 18:39:09.297 INFO [stderr]    |
Dec 17 18:39:09.297 INFO [stderr] 74 |             write!(out, "{}", integer);
Dec 17 18:39:09.297 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.297 INFO [stderr]    |
Dec 17 18:39:09.297 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.297 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.297 INFO [stderr] 
Dec 17 18:39:09.297 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.297 INFO [stderr]   --> src/yaml_to_json.rs:80:13
Dec 17 18:39:09.297 INFO [stderr]    |
Dec 17 18:39:09.297 INFO [stderr] 80 |             write!(out, "{}", boolean);
Dec 17 18:39:09.297 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.297 INFO [stderr]    |
Dec 17 18:39:09.297 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.297 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.297 INFO [stderr] 
Dec 17 18:39:09.297 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.297 INFO [stderr]   --> src/yaml_to_json.rs:83:13
Dec 17 18:39:09.297 INFO [stderr]    |
Dec 17 18:39:09.297 INFO [stderr] 83 |             write!(out, "[");
Dec 17 18:39:09.297 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.297 INFO [stderr]    |
Dec 17 18:39:09.297 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.297 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.297 INFO [stderr] 
Dec 17 18:39:09.297 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.297 INFO [stderr]   --> src/yaml_to_json.rs:90:21
Dec 17 18:39:09.297 INFO [stderr]    |
Dec 17 18:39:09.297 INFO [stderr] 90 |                     write!(out, ",");
Dec 17 18:39:09.297 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.297 INFO [stderr]    |
Dec 17 18:39:09.297 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.297 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.297 INFO [stderr] 
Dec 17 18:39:09.298 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.298 INFO [stderr]   --> src/yaml_to_json.rs:95:13
Dec 17 18:39:09.298 INFO [stderr]    |
Dec 17 18:39:09.298 INFO [stderr] 95 |             write!(out, "]");
Dec 17 18:39:09.298 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.298 INFO [stderr]    |
Dec 17 18:39:09.298 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.298 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.298 INFO [stderr] 
Dec 17 18:39:09.298 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.298 INFO [stderr]   --> src/yaml_to_json.rs:98:13
Dec 17 18:39:09.298 INFO [stderr]    |
Dec 17 18:39:09.298 INFO [stderr] 98 |             write!(out, "{{");
Dec 17 18:39:09.298 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.298 INFO [stderr]    |
Dec 17 18:39:09.298 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.298 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.298 INFO [stderr] 
Dec 17 18:39:09.298 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.298 INFO [stderr]    --> src/yaml_to_json.rs:105:21
Dec 17 18:39:09.298 INFO [stderr]     |
Dec 17 18:39:09.298 INFO [stderr] 105 |                     write!(out, ",");
Dec 17 18:39:09.298 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.298 INFO [stderr]     |
Dec 17 18:39:09.298 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.298 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.298 INFO [stderr] 
Dec 17 18:39:09.298 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.298 INFO [stderr]    --> src/yaml_to_json.rs:109:21
Dec 17 18:39:09.298 INFO [stderr]     |
Dec 17 18:39:09.298 INFO [stderr] 109 |                     write!(out, ":");
Dec 17 18:39:09.298 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.298 INFO [stderr]     |
Dec 17 18:39:09.298 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.298 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.298 INFO [stderr] 
Dec 17 18:39:09.298 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.298 INFO [stderr]    --> src/yaml_to_json.rs:115:13
Dec 17 18:39:09.298 INFO [stderr]     |
Dec 17 18:39:09.298 INFO [stderr] 115 |             write!(out, "}}");
Dec 17 18:39:09.298 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.298 INFO [stderr]     |
Dec 17 18:39:09.298 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.298 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.298 INFO [stderr] 
Dec 17 18:39:09.298 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.298 INFO [stderr]    --> src/yaml_to_json.rs:118:13
Dec 17 18:39:09.298 INFO [stderr]     |
Dec 17 18:39:09.298 INFO [stderr] 118 |             write!(out, "null");
Dec 17 18:39:09.298 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.298 INFO [stderr]     |
Dec 17 18:39:09.298 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.298 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.298 INFO [stderr] 
Dec 17 18:39:09.311 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.311 INFO [stderr]   --> src/yaml_to_json.rs:71:13
Dec 17 18:39:09.311 INFO [stderr]    |
Dec 17 18:39:09.311 INFO [stderr] 71 |             write!(out, "{}", real);
Dec 17 18:39:09.311 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.311 INFO [stderr]    |
Dec 17 18:39:09.311 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 18:39:09.311 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.311 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.312 INFO [stderr] 
Dec 17 18:39:09.312 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.312 INFO [stderr]   --> src/yaml_to_json.rs:74:13
Dec 17 18:39:09.312 INFO [stderr]    |
Dec 17 18:39:09.312 INFO [stderr] 74 |             write!(out, "{}", integer);
Dec 17 18:39:09.312 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.312 INFO [stderr]    |
Dec 17 18:39:09.312 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.312 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.312 INFO [stderr] 
Dec 17 18:39:09.312 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.312 INFO [stderr]   --> src/yaml_to_json.rs:80:13
Dec 17 18:39:09.312 INFO [stderr]    |
Dec 17 18:39:09.312 INFO [stderr] 80 |             write!(out, "{}", boolean);
Dec 17 18:39:09.312 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.312 INFO [stderr]    |
Dec 17 18:39:09.312 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.312 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.312 INFO [stderr] 
Dec 17 18:39:09.312 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.312 INFO [stderr]   --> src/yaml_to_json.rs:83:13
Dec 17 18:39:09.312 INFO [stderr]    |
Dec 17 18:39:09.312 INFO [stderr] 83 |             write!(out, "[");
Dec 17 18:39:09.312 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.312 INFO [stderr]    |
Dec 17 18:39:09.312 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.312 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.312 INFO [stderr] 
Dec 17 18:39:09.312 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.312 INFO [stderr]   --> src/yaml_to_json.rs:90:21
Dec 17 18:39:09.312 INFO [stderr]    |
Dec 17 18:39:09.312 INFO [stderr] 90 |                     write!(out, ",");
Dec 17 18:39:09.312 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.312 INFO [stderr]    |
Dec 17 18:39:09.312 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.312 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.312 INFO [stderr] 
Dec 17 18:39:09.312 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.312 INFO [stderr]   --> src/yaml_to_json.rs:95:13
Dec 17 18:39:09.312 INFO [stderr]    |
Dec 17 18:39:09.312 INFO [stderr] 95 |             write!(out, "]");
Dec 17 18:39:09.312 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.312 INFO [stderr]    |
Dec 17 18:39:09.312 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.312 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.312 INFO [stderr] 
Dec 17 18:39:09.312 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.312 INFO [stderr]   --> src/yaml_to_json.rs:98:13
Dec 17 18:39:09.312 INFO [stderr]    |
Dec 17 18:39:09.312 INFO [stderr] 98 |             write!(out, "{{");
Dec 17 18:39:09.312 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.312 INFO [stderr]    |
Dec 17 18:39:09.312 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.312 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.312 INFO [stderr] 
Dec 17 18:39:09.312 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.312 INFO [stderr]    --> src/yaml_to_json.rs:105:21
Dec 17 18:39:09.312 INFO [stderr]     |
Dec 17 18:39:09.312 INFO [stderr] 105 |                     write!(out, ",");
Dec 17 18:39:09.312 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.312 INFO [stderr]     |
Dec 17 18:39:09.312 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.312 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.312 INFO [stderr] 
Dec 17 18:39:09.312 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.312 INFO [stderr]    --> src/yaml_to_json.rs:109:21
Dec 17 18:39:09.312 INFO [stderr]     |
Dec 17 18:39:09.312 INFO [stderr] 109 |                     write!(out, ":");
Dec 17 18:39:09.312 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.313 INFO [stderr]     |
Dec 17 18:39:09.313 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.313 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.313 INFO [stderr] 
Dec 17 18:39:09.313 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.313 INFO [stderr]    --> src/yaml_to_json.rs:115:13
Dec 17 18:39:09.313 INFO [stderr]     |
Dec 17 18:39:09.313 INFO [stderr] 115 |             write!(out, "}}");
Dec 17 18:39:09.313 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.313 INFO [stderr]     |
Dec 17 18:39:09.313 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.313 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.313 INFO [stderr] 
Dec 17 18:39:09.313 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:39:09.313 INFO [stderr]    --> src/yaml_to_json.rs:118:13
Dec 17 18:39:09.313 INFO [stderr]     |
Dec 17 18:39:09.313 INFO [stderr] 118 |             write!(out, "null");
Dec 17 18:39:09.313 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
Dec 17 18:39:09.313 INFO [stderr]     |
Dec 17 18:39:09.313 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:39:09.313 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 18:39:09.313 INFO [stderr] 
Dec 17 18:39:09.372 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
Dec 17 18:39:10.126 INFO running `"docker" "inspect" "7dec07f76545e26591153377807c8b1f5fc690af73dac1ed3c85cda86e5e96ec"`
Dec 17 18:39:10.342 INFO running `"docker" "rm" "-f" "7dec07f76545e26591153377807c8b1f5fc690af73dac1ed3c85cda86e5e96ec"`
Dec 17 18:39:10.458 INFO [stdout] 7dec07f76545e26591153377807c8b1f5fc690af73dac1ed3c85cda86e5e96ec