[INFO] crate inert 0.3.0 is already in cache
[INFO] extracting crate inert 0.3.0 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/inert/0.3.0
[INFO] extracting crate inert 0.3.0 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/inert/0.3.0
[INFO] validating manifest of inert-0.3.0 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 inert-0.3.0 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 inert-0.3.0
[INFO] removed 1 missing tests
[INFO] finished frobbing inert-0.3.0
[INFO] frobbed toml for inert-0.3.0 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/inert/0.3.0/Cargo.toml
[INFO] started frobbing inert-0.3.0
[INFO] removed 1 missing tests
[INFO] finished frobbing inert-0.3.0
[INFO] frobbed toml for inert-0.3.0 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/inert/0.3.0/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 inert-0.3.0 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/inert/0.3.0:/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] 3a86d0c51c99d6919dcceaa536d332912ddc60e2cd73bdd15b1d353e64d2be5d
[INFO] running `"docker" "start" "-a" "3a86d0c51c99d6919dcceaa536d332912ddc60e2cd73bdd15b1d353e64d2be5d"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling inert_derive v0.1.4
[INFO] [stderr]     Checking inert v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0608]: cannot index into a value of type `&inert::Inert<std::vec::Vec<std::cell::RefCell<Node>>>`
[INFO] [stderr]   --> tests/refcells.rs:13:18
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let wrath = &inert.borrow().children()[4];
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0608]: cannot index into a value of type `&inert::Inert<std::vec::Vec<std::cell::RefCell<Node>>>`
[INFO] [stderr]   --> tests/refcells.rs:19:31
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let best_language_ever = &inert.borrow().children()[0].borrow().children()[0];
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0608`.
[INFO] [stderr] error: Could not compile `inert`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3a86d0c51c99d6919dcceaa536d332912ddc60e2cd73bdd15b1d353e64d2be5d"`
[INFO] running `"docker" "rm" "-f" "3a86d0c51c99d6919dcceaa536d332912ddc60e2cd73bdd15b1d353e64d2be5d"`
[INFO] [stdout] 3a86d0c51c99d6919dcceaa536d332912ddc60e2cd73bdd15b1d353e64d2be5d