[INFO] updating cached repository busarovalex/mp3-meta
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/busarovalex/mp3-meta
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/busarovalex/mp3-meta" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/busarovalex/mp3-meta"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/busarovalex/mp3-meta'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/busarovalex/mp3-meta" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/busarovalex/mp3-meta"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/busarovalex/mp3-meta'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dc2f9188c6fba277153926f265aebfd61e5a7f37
[INFO] sha for GitHub repo busarovalex/mp3-meta: dc2f9188c6fba277153926f265aebfd61e5a7f37
[INFO] validating manifest of busarovalex/mp3-meta 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 busarovalex/mp3-meta 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 busarovalex/mp3-meta
[INFO] finished frobbing busarovalex/mp3-meta
[INFO] frobbed toml for busarovalex/mp3-meta written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/busarovalex/mp3-meta/Cargo.toml
[INFO] started frobbing busarovalex/mp3-meta
[INFO] finished frobbing busarovalex/mp3-meta
[INFO] frobbed toml for busarovalex/mp3-meta written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/busarovalex/mp3-meta/Cargo.toml
[INFO] crate busarovalex/mp3-meta 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 busarovalex/mp3-meta 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/busarovalex/mp3-meta:/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] cd3773de9169b505bfd16a8a1dd2da944c64aeea451c7b7b43b6d12f7e77539f
[INFO] running `"docker" "start" "-a" "cd3773de9169b505bfd16a8a1dd2da944c64aeea451c7b7b43b6d12f7e77539f"`
[INFO] [stderr]    Compiling derive_builder v0.4.7
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]    Compiling derive_builder_core v0.1.7
[INFO] [stderr]     Checking id3 v0.2.1 (https://github.com/jameshurst/rust-id3.git?rev=21ebef8706dd5f2b1bf6b05cc87ded3b20d54dcd#21ebef87)
[INFO] [stderr]     Checking mp3meta v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the feature `iterator_for_each` has been stable since 1.21.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(iterator_for_each)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `iterator_for_each` has been stable since 1.21.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(iterator_for_each)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.29s
[INFO] running `"docker" "inspect" "cd3773de9169b505bfd16a8a1dd2da944c64aeea451c7b7b43b6d12f7e77539f"`
[INFO] running `"docker" "rm" "-f" "cd3773de9169b505bfd16a8a1dd2da944c64aeea451c7b7b43b6d12f7e77539f"`
[INFO] [stdout] cd3773de9169b505bfd16a8a1dd2da944c64aeea451c7b7b43b6d12f7e77539f