[INFO] cloning repository stereobooster/natural_sort-pgxn
[INFO] running `"git" "clone" "--bare" "git://github.com/stereobooster/natural_sort-pgxn.git" "work/cache/sources/gh/stereobooster/natural_sort-pgxn"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/stereobooster/natural_sort-pgxn'...
[INFO] running `"git" "clone" "work/cache/sources/gh/stereobooster/natural_sort-pgxn" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/stereobooster/natural_sort-pgxn"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/stereobooster/natural_sort-pgxn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stereobooster/natural_sort-pgxn" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/stereobooster/natural_sort-pgxn"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/stereobooster/natural_sort-pgxn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e252d44f77e2cc20fc721d5222ff82cb4b171dc6
[INFO] sha for GitHub repo stereobooster/natural_sort-pgxn: e252d44f77e2cc20fc721d5222ff82cb4b171dc6
[INFO] validating manifest of stereobooster/natural_sort-pgxn on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stereobooster/natural_sort-pgxn on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing stereobooster/natural_sort-pgxn
[INFO] finished frobbing stereobooster/natural_sort-pgxn
[INFO] frobbed toml for stereobooster/natural_sort-pgxn written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/stereobooster/natural_sort-pgxn/Cargo.toml
[INFO] started frobbing stereobooster/natural_sort-pgxn
[INFO] finished frobbing stereobooster/natural_sort-pgxn
[INFO] frobbed toml for stereobooster/natural_sort-pgxn written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/stereobooster/natural_sort-pgxn/Cargo.toml
[INFO] crate stereobooster/natural_sort-pgxn already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/lifthrasiir/rust-natord.git`
[INFO] [stderr]     Updating git repository `https://github.com/jeff-davis/postgres-extension.rs.git`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/stereobooster/natural_sort-pgxn/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Updating git repository `https://github.com/lifthrasiir/rust-natord.git`
[INFO] [stderr]     Updating git repository `https://github.com/jeff-davis/postgres-extension.rs.git`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/lifthrasiir/rust-natord.git`
[INFO] [stderr]     Updating git repository `https://github.com/jeff-davis/postgres-extension.rs.git`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing stereobooster/natural_sort-pgxn against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/stereobooster/natural_sort-pgxn:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] d1890ddba788df8f2c8fb0a9e1d98961bd52c15ba2e3456a74c5dcc824e4b6e5
[INFO] running `"docker" "start" "-a" "d1890ddba788df8f2c8fb0a9e1d98961bd52c15ba2e3456a74c5dcc824e4b6e5"`
[INFO] [stderr] warning: path `/opt/crater/workdir/src/natural_sort.rs` was erroneously implicitly accepted for library `natural_sort`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] [stderr]    Compiling natord v1.0.9 (https://github.com/lifthrasiir/rust-natord.git#93e5f0ac)
[INFO] [stderr]    Compiling postgres_extension_macros v0.0.1 (https://github.com/jeff-davis/postgres-extension.rs.git?branch=fixes#5b365177)
[INFO] [stderr]    Compiling postgres_extension v0.0.1 (https://github.com/jeff-davis/postgres-extension.rs.git?branch=fixes#5b365177)
[INFO] [stderr]    Compiling natural_sort v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0457]: plugin `postgres_extension_macros` only found in rlib format, but must be available in dylib format
[INFO] [stderr]  --> src/natural_sort.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![plugin(postgres_extension_macros)]
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/natural_sort.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | extern crate libc;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add #![feature(rustc_private)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/natural_sort.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | use libc::{c_int};
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add #![feature(rustc_private)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/natural_sort.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pg_module!(version: 90400);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add #![feature(rustc_private)] to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/natural_sort.rs:21:51
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn natural_compare(a: VarChar, b: VarChar) -> c_int {
[INFO] [stderr]    |                                                   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add #![feature(rustc_private)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: Could not compile `natural_sort`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d1890ddba788df8f2c8fb0a9e1d98961bd52c15ba2e3456a74c5dcc824e4b6e5"`
[INFO] running `"docker" "rm" "-f" "d1890ddba788df8f2c8fb0a9e1d98961bd52c15ba2e3456a74c5dcc824e4b6e5"`
[INFO] [stdout] d1890ddba788df8f2c8fb0a9e1d98961bd52c15ba2e3456a74c5dcc824e4b6e5