[INFO] updating cached repository rocallahan/debuginfo-quality
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rocallahan/debuginfo-quality
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rocallahan/debuginfo-quality" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/rocallahan/debuginfo-quality"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/rocallahan/debuginfo-quality'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rocallahan/debuginfo-quality" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/rocallahan/debuginfo-quality"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/rocallahan/debuginfo-quality'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 45c36d4302ae0662b7e83970e011860dd4d6533d
[INFO] sha for GitHub repo rocallahan/debuginfo-quality: 45c36d4302ae0662b7e83970e011860dd4d6533d
[INFO] validating manifest of rocallahan/debuginfo-quality on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rocallahan/debuginfo-quality on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rocallahan/debuginfo-quality
[INFO] finished frobbing rocallahan/debuginfo-quality
[INFO] frobbed toml for rocallahan/debuginfo-quality written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/rocallahan/debuginfo-quality/Cargo.toml
[INFO] started frobbing rocallahan/debuginfo-quality
[INFO] finished frobbing rocallahan/debuginfo-quality
[INFO] frobbed toml for rocallahan/debuginfo-quality written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/rocallahan/debuginfo-quality/Cargo.toml
[INFO] crate rocallahan/debuginfo-quality already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rocallahan/debuginfo-quality against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/rocallahan/debuginfo-quality:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d823391b9508521dda618d45eee01985d2d17a0bdcbd972b1bb46ff47741933a
[INFO] running `"docker" "start" "-a" "d823391b9508521dda618d45eee01985d2d17a0bdcbd972b1bb46ff47741933a"`
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking fallible-iterator v0.1.5
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking typed-arena v1.4.1
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]    Compiling cpp_demangle v0.2.12 (https://github.com/khuey/cpp_demangle?branch=downstream#b3edce56)
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling syn v0.15.20
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking gimli v0.16.1
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]     Checking goblin v0.0.17
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stderr]     Checking object v0.10.0
[INFO] [stderr]     Checking debuginfo-quality v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:243:21
[INFO] [stderr]     |
[INFO] [stderr] 243 |                     write!(&mut w, "{}", &function_stats.name);
[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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:245:25
[INFO] [stderr]     |
[INFO] [stderr] 245 |                         write!(&mut w, ",{}", &inline);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:247:21
[INFO] [stderr]     |
[INFO] [stderr] 247 |                     write!(&mut w, ",{}@0x{:x}:0x{:x}", &v.name, function_stats.unit_offset, v.entry_offset);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:251:17
[INFO] [stderr]     |
[INFO] [stderr] 251 |                 write!(&mut w, "{}@0x{:x}:0x{:x}", &function_stats.name, function_stats.unit_offset, function_stats.entry_offset);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:243:21
[INFO] [stderr]     |
[INFO] [stderr] 243 |                     write!(&mut w, "{}", &function_stats.name);
[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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:245:25
[INFO] [stderr]     |
[INFO] [stderr] 245 |                         write!(&mut w, ",{}", &inline);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:247:21
[INFO] [stderr]     |
[INFO] [stderr] 247 |                     write!(&mut w, ",{}@0x{:x}:0x{:x}", &v.name, function_stats.unit_offset, v.entry_offset);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:251:17
[INFO] [stderr]     |
[INFO] [stderr] 251 |                 write!(&mut w, "{}@0x{:x}:0x{:x}", &function_stats.name, function_stats.unit_offset, function_stats.entry_offset);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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 36.93s
[INFO] running `"docker" "inspect" "d823391b9508521dda618d45eee01985d2d17a0bdcbd972b1bb46ff47741933a"`
[INFO] running `"docker" "rm" "-f" "d823391b9508521dda618d45eee01985d2d17a0bdcbd972b1bb46ff47741933a"`
[INFO] [stdout] d823391b9508521dda618d45eee01985d2d17a0bdcbd972b1bb46ff47741933a