[INFO] crate inert 0.3.0 is already in cache
[INFO] extracting crate inert 0.3.0 into work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/inert/0.3.0
[INFO] extracting crate inert 0.3.0 into work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/inert/0.3.0
[INFO] validating manifest of inert-0.3.0 on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of inert-0.3.0 on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-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-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/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-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/inert/0.3.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking inert-0.3.0 against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-7/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/inert/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 25c49da7282a32ea46f89cdf2865c6658225459d4db05f0c2d4f0b9fa4175025
[INFO] running `"docker" "start" "-a" "25c49da7282a32ea46f89cdf2865c6658225459d4db05f0c2d4f0b9fa4175025"`
[INFO] [stderr]    Compiling syn v0.15.34
[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] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "25c49da7282a32ea46f89cdf2865c6658225459d4db05f0c2d4f0b9fa4175025"`
[INFO] running `"docker" "rm" "-f" "25c49da7282a32ea46f89cdf2865c6658225459d4db05f0c2d4f0b9fa4175025"`
[INFO] [stdout] 25c49da7282a32ea46f89cdf2865c6658225459d4db05f0c2d4f0b9fa4175025