[INFO] updating cached repository est31/lewton-wiki-tool
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/est31/lewton-wiki-tool
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/est31/lewton-wiki-tool" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/est31/lewton-wiki-tool"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/est31/lewton-wiki-tool'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/est31/lewton-wiki-tool" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/est31/lewton-wiki-tool"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/est31/lewton-wiki-tool'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c363c8c27acfd498d6b64441d702137727bbffd6
[INFO] sha for GitHub repo est31/lewton-wiki-tool: c363c8c27acfd498d6b64441d702137727bbffd6
[INFO] validating manifest of est31/lewton-wiki-tool 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 est31/lewton-wiki-tool 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 est31/lewton-wiki-tool
[INFO] finished frobbing est31/lewton-wiki-tool
[INFO] frobbed toml for est31/lewton-wiki-tool written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/est31/lewton-wiki-tool/Cargo.toml
[INFO] started frobbing est31/lewton-wiki-tool
[INFO] finished frobbing est31/lewton-wiki-tool
[INFO] frobbed toml for est31/lewton-wiki-tool written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/est31/lewton-wiki-tool/Cargo.toml
[INFO] crate est31/lewton-wiki-tool 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 est31/lewton-wiki-tool against master#435236b8877cdb98c82eaebfb7887782277265c5 for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/master#435236b8877cdb98c82eaebfb7887782277265c5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/est31/lewton-wiki-tool:/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0c5f34956140ee7cd838cfe49a19f6b6774a61b39b14f20d70a4f06dc012ed45
[INFO] running `"docker" "start" "-a" "0c5f34956140ee7cd838cfe49a19f6b6774a61b39b14f20d70a4f06dc012ed45"`
[INFO] [stderr]    Compiling hyper-openssl v0.7.0
[INFO] [stderr]    Compiling curl-sys v0.4.16
[INFO] [stderr]    Compiling ogg-sys v0.0.9
[INFO] [stderr]    Compiling vorbis-sys v0.0.8
[INFO] [stderr]    Compiling vorbisfile-sys v0.0.8
[INFO] [stderr]     Checking sha2 v0.1.2
[INFO] [stderr]     Checking linked_hash_set v0.1.3
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking lewton v0.9.3 (https://github.com/RustAudio/lewton/#2c644693)
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]     Checking tokio-openssl v0.3.0
[INFO] [stderr]     Checking hyper v0.12.24
[INFO] [stderr]     Checking vorbis v0.0.14
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking curl v0.4.19
[INFO] [stderr]     Checking test-assets v0.2.0
[INFO] [stderr]     Checking cmp v0.1.0 (https://github.com/RustAudio/lewton/#2c644693)
[INFO] [stderr]     Checking lewton-wiki-tool v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:132:8
[INFO] [stderr]     |
[INFO] [stderr] 132 |             let mut br = BufReader::new(f);
[INFO] [stderr]     |                 ----^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:132:8
[INFO] [stderr]     |
[INFO] [stderr] 132 |             let mut br = BufReader::new(f);
[INFO] [stderr]     |                 ----^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:196:6
[INFO] [stderr]     |
[INFO] [stderr] 196 |                     writeln!(lf, "{}", msg_str);
[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:196:6
[INFO] [stderr]     |
[INFO] [stderr] 196 |                     writeln!(lf, "{}", msg_str);
[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 43.45s
[INFO] running `"docker" "inspect" "0c5f34956140ee7cd838cfe49a19f6b6774a61b39b14f20d70a4f06dc012ed45"`
[INFO] running `"docker" "rm" "-f" "0c5f34956140ee7cd838cfe49a19f6b6774a61b39b14f20d70a4f06dc012ed45"`
[INFO] [stdout] 0c5f34956140ee7cd838cfe49a19f6b6774a61b39b14f20d70a4f06dc012ed45