[INFO] crate guess_host_triple 0.1.0 is already in cache
[INFO] extracting crate guess_host_triple 0.1.0 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/guess_host_triple/0.1.0
[INFO] extracting crate guess_host_triple 0.1.0 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/guess_host_triple/0.1.0
[INFO] validating manifest of guess_host_triple-0.1.0 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 guess_host_triple-0.1.0 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 guess_host_triple-0.1.0
[INFO] finished frobbing guess_host_triple-0.1.0
[INFO] frobbed toml for guess_host_triple-0.1.0 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/guess_host_triple/0.1.0/Cargo.toml
[INFO] started frobbing guess_host_triple-0.1.0
[INFO] finished frobbing guess_host_triple-0.1.0
[INFO] frobbed toml for guess_host_triple-0.1.0 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/guess_host_triple/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 guess_host_triple-0.1.0 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/reg/guess_host_triple/0.1.0:/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] ae4503020396c35001ab516165f4d5a027bf21bcf0ceed11a72324f4f490a49e
[INFO] running `"docker" "start" "-a" "ae4503020396c35001ab516165f4d5a027bf21bcf0ceed11a72324f4f490a49e"`
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking guess_host_triple v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking synom v0.11.3
[INFO] [stderr] warning: variant is never constructed: `Unknown`
[INFO] [stderr]    --> src/lib.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     Unknown,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Big`
[INFO] [stderr]    --> src/lib.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     Big,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Windows`
[INFO] [stderr]    --> src/lib.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     Windows,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Android`
[INFO] [stderr]    --> src/lib.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     Android,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking version-sync v0.5.0
[INFO] [stderr] warning: variant is never constructed: `Unknown`
[INFO] [stderr]    --> src/lib.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     Unknown,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.84s
[INFO] running `"docker" "inspect" "ae4503020396c35001ab516165f4d5a027bf21bcf0ceed11a72324f4f490a49e"`
[INFO] running `"docker" "rm" "-f" "ae4503020396c35001ab516165f4d5a027bf21bcf0ceed11a72324f4f490a49e"`
[INFO] [stdout] ae4503020396c35001ab516165f4d5a027bf21bcf0ceed11a72324f4f490a49e