[INFO] updating cached repository https://github.com/foldu/iv
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5fcd836130bcdd268765f5080755b576a7d6908f
[INFO] checking foldu/iv against try#00e4530a79c42b21a6ca2ac1edb597c90d21f89f for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoldu%2Fiv" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/foldu/iv on toolchain 00e4530a79c42b21a6ca2ac1edb597c90d21f89f
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/foldu/iv
[INFO] finished tweaking git repo https://github.com/foldu/iv
[INFO] tweaked toml for git repo https://github.com/foldu/iv written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/foldu/iv already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b0c7242875ab3f5b170180afddcbe379533ab0db38ace6f6f9a4ebab4aa67d9a
[INFO] running `"docker" "start" "-a" "b0c7242875ab3f5b170180afddcbe379533ab0db38ace6f6f9a4ebab4aa67d9a"`
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling getrandom v0.1.9
[INFO] [stderr]    Compiling gio v0.7.0
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling cairo-rs v0.7.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.7.0
[INFO] [stderr]    Compiling pango v0.7.0
[INFO] [stderr]    Compiling magic-sys v0.2.0
[INFO] [stderr]    Compiling atk v0.7.0
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling gdk v0.11.0
[INFO] [stderr]    Compiling gtk v0.7.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getrandom-0.1.9/src/wasm32_bindgen.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     type Function;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]    = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getrandom-0.1.9/src/wasm32_bindgen.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     type This;
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]     = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getrandom-0.1.9/src/wasm32_bindgen.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     type BrowserCrypto;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]     = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getrandom-0.1.9/src/wasm32_bindgen.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     type NodeCrypto;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]     = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking flate2 v1.0.11
[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 `getrandom`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b0c7242875ab3f5b170180afddcbe379533ab0db38ace6f6f9a4ebab4aa67d9a"`
[INFO] running `"docker" "rm" "-f" "b0c7242875ab3f5b170180afddcbe379533ab0db38ace6f6f9a4ebab4aa67d9a"`
[INFO] [stdout] b0c7242875ab3f5b170180afddcbe379533ab0db38ace6f6f9a4ebab4aa67d9a