[INFO] updating cached repository machisuji/cardboard
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/machisuji/cardboard
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/machisuji/cardboard" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/machisuji/cardboard"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/machisuji/cardboard'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/machisuji/cardboard" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/machisuji/cardboard"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/machisuji/cardboard'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a428ddf80880c7c299bc13477506800eb5669c9a
[INFO] sha for GitHub repo machisuji/cardboard: a428ddf80880c7c299bc13477506800eb5669c9a
[INFO] validating manifest of machisuji/cardboard 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 machisuji/cardboard 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 machisuji/cardboard
[INFO] finished frobbing machisuji/cardboard
[INFO] frobbed toml for machisuji/cardboard written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/machisuji/cardboard/Cargo.toml
[INFO] started frobbing machisuji/cardboard
[INFO] finished frobbing machisuji/cardboard
[INFO] frobbed toml for machisuji/cardboard written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/machisuji/cardboard/Cargo.toml
[INFO] crate machisuji/cardboard 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking machisuji/cardboard against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/machisuji/cardboard:/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] c516762b52e905094a0dada2ab44bd0d0ae1fb541809d1a98354955feef3bb2a
[INFO] running `"docker" "start" "-a" "c516762b52e905094a0dada2ab44bd0d0ae1fb541809d1a98354955feef3bb2a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling openssl v0.9.2
[INFO] [stderr]     Checking route-recognizer v0.1.11
[INFO] [stderr]     Checking webbrowser v0.1.3
[INFO] [stderr]     Checking num_cpus v1.2.0
[INFO] [stderr]    Compiling cmake v0.1.18
[INFO] [stderr]    Compiling hoedown v5.0.0
[INFO] [stderr]     Checking filetime v0.1.10
[INFO] [stderr]     Checking inotify v0.2.3
[INFO] [stderr]    Compiling libz-sys v1.0.7
[INFO] [stderr]    Compiling openssl-sys v0.9.2
[INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/route-recognizer-0.1.11/src/nfa.rs:568:3
[INFO] [stderr]     |
[INFO] [stderr] 568 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/route-recognizer-0.1.11/src/nfa.rs:582:3
[INFO] [stderr]     |
[INFO] [stderr] 582 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/route-recognizer-0.1.11/src/nfa.rs:596:3
[INFO] [stderr]     |
[INFO] [stderr] 596 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/route-recognizer-0.1.11/src/lib.rs:303:3
[INFO] [stderr]     |
[INFO] [stderr] 303 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr]    Compiling curl-sys v0.3.4
[INFO] [stderr]     Checking serde_json v0.8.3
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: Could not compile `route-recognizer`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c516762b52e905094a0dada2ab44bd0d0ae1fb541809d1a98354955feef3bb2a"`
[INFO] running `"docker" "rm" "-f" "c516762b52e905094a0dada2ab44bd0d0ae1fb541809d1a98354955feef3bb2a"`
[INFO] [stdout] c516762b52e905094a0dada2ab44bd0d0ae1fb541809d1a98354955feef3bb2a