Dec 01 23:28:03.265 INFO documenting Evanjs/grkcheck against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1
Dec 01 23:28:03.265 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-7/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55318-1/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +f86f76f89ea2b1ccbfb3741962ec2029d878a389-alt doc --frozen --no-deps --document-private-items" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 23:28:03.514 INFO [stdout] 5dd7424071f2135911cd9abf244a98d1d8a9d54b8365a3eecbac9d1b78f146ea
Dec 01 23:28:03.516 INFO running `"docker" "start" "-a" "5dd7424071f2135911cd9abf244a98d1d8a9d54b8365a3eecbac9d1b78f146ea"`
Dec 01 23:28:04.009 INFO [stderr] usermod: no changes
Dec 01 23:28:04.410 INFO [stderr]    Compiling libc v0.2.38
Dec 01 23:28:04.411 INFO [stderr]    Compiling serde v1.0.27
Dec 01 23:28:04.418 INFO [stderr]    Compiling num-traits v0.2.1
Dec 01 23:28:04.420 INFO [stderr]     Checking memchr v0.1.11
Dec 01 23:28:04.420 INFO [stderr]    Compiling openssl-sys v0.9.27
Dec 01 23:28:04.424 INFO [stderr]     Checking dtoa-short v0.3.1
Dec 01 23:28:04.437 INFO [stderr]     Checking debug_unreachable v0.1.1
Dec 01 23:28:04.461 INFO [stderr]    Compiling serde_derive_internals v0.19.0
Dec 01 23:28:05.900 INFO [stderr]    Compiling cssparser v0.23.2
Dec 01 23:28:06.160 INFO [stderr]     Checking nix v0.10.0
Dec 01 23:28:06.608 INFO [stderr]     Checking uuid v0.5.1
Dec 01 23:28:09.694 INFO [stderr]     Checking futf v0.1.3
Dec 01 23:28:09.706 INFO [stderr]     Checking thread-id v2.0.0
Dec 01 23:28:10.391 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 01 23:28:10.984 INFO [stderr]    Compiling rand v0.4.2
Dec 01 23:28:14.377 INFO [stderr]     Checking nix v0.7.0
Dec 01 23:28:14.386 INFO [stderr]     Checking thread_local v0.2.7
Dec 01 23:28:14.428 INFO [stderr]     Checking tendril v0.4.0
Dec 01 23:28:14.867 INFO [stderr]     Checking hyper v0.11.21
Dec 01 23:28:15.868 INFO [stderr]    Compiling serde_derive v1.0.27
Dec 01 23:28:17.041 INFO [stderr]    Compiling openssl v0.9.24
Dec 01 23:28:19.732 INFO [stderr]     Checking regex v0.1.80
Dec 01 23:28:20.024 INFO [stderr]    Compiling rand v0.3.22
Dec 01 23:28:21.318 INFO [stderr]    Compiling phf_generator v0.7.21
Dec 01 23:28:24.529 INFO [stderr]    Compiling string_cache_codegen v0.4.0
Dec 01 23:28:30.146 INFO [stderr]    Compiling phf_codegen v0.7.21
Dec 01 23:28:36.538 INFO [stderr]    Compiling mime_guess v2.0.0-alpha.4
Dec 01 23:28:36.589 INFO [stderr]    Compiling selectors v0.19.0
Dec 01 23:28:36.641 INFO [stderr]    Compiling cssparser-macros v0.3.0
Dec 01 23:28:36.812 INFO [stderr]     Checking semver-parser v0.6.2
Dec 01 23:28:54.128 INFO [stderr]    Compiling string_cache v0.7.1
Dec 01 23:28:54.149 INFO [stderr]     Checking semver v0.4.1
Dec 01 23:28:54.198 INFO [stderr]     Checking native-tls v0.1.5
Dec 01 23:28:59.044 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 01 23:28:59.552 INFO [stderr]     Checking linuxver v0.1.0
Dec 01 23:29:01.666 INFO [stderr]     Checking hyper-tls v0.1.2
Dec 01 23:29:02.664 INFO [stderr]    Compiling serde_json v1.0.10
Dec 01 23:29:05.723 INFO [stderr]     Checking reqwest v0.8.5
Dec 01 23:29:09.228 INFO [stderr]    Compiling markup5ever v0.7.2
Dec 01 23:29:18.754 INFO [stderr]     Checking html5ever v0.22.0
Dec 01 23:29:21.907 INFO [stderr]     Checking kuchiki v0.7.0
Dec 01 23:29:24.033 INFO [stderr]  Documenting krcheck v0.1.0 (/source)
Dec 01 23:29:27.896 INFO [stderr] error[E0635]: unknown feature `alloc_system`
Dec 01 23:29:27.896 INFO [stderr]  --> src/main.rs:1:12
Dec 01 23:29:27.896 INFO [stderr]   |
Dec 01 23:29:27.896 INFO [stderr] 1 | #![feature(alloc_system)]
Dec 01 23:29:27.896 INFO [stderr]   |            ^^^^^^^^^^^^
Dec 01 23:29:27.896 INFO [stderr] 
Dec 01 23:29:27.896 INFO [stderr] error: Compilation failed, aborting rustdoc
Dec 01 23:29:27.896 INFO [stderr] 
Dec 01 23:29:27.927 INFO [stderr] error: Could not document `krcheck`.
Dec 01 23:29:27.927 INFO [stderr] 
Dec 01 23:29:27.927 INFO [stderr] Caused by:
Dec 01 23:29:27.927 INFO [stderr]   process didn't exit successfully: `rustdoc --crate-name krcheck src/main.rs --color never -o /target/doc --document-private-items -L dependency=/target/debug/deps --extern html5ever=/target/debug/deps/libhtml5ever-ae1cde8b635296d4.rmeta --extern kuchiki=/target/debug/deps/libkuchiki-b7ba07c3cfe585f7.rmeta --extern libc=/target/debug/deps/liblibc-22f37aa4edf38c99.rmeta --extern linuxver=/target/debug/deps/liblinuxver-e91b5cb2d4539aa4.rmeta --extern nix=/target/debug/deps/libnix-f1bee48ebf76234d.rmeta --extern reqwest=/target/debug/deps/libreqwest-ef5dfe739b5147cf.rmeta --extern semver=/target/debug/deps/libsemver-f2d8d0c0c45ebcbd.rmeta --cap-lints=forbid` (exit code: 1)
Dec 01 23:29:27.932 INFO [stderr] su: No module specific data is present
Dec 01 23:29:28.704 INFO running `"docker" "inspect" "5dd7424071f2135911cd9abf244a98d1d8a9d54b8365a3eecbac9d1b78f146ea"`
Dec 01 23:29:29.034 INFO running `"docker" "rm" "-f" "5dd7424071f2135911cd9abf244a98d1d8a9d54b8365a3eecbac9d1b78f146ea"`
Dec 01 23:29:29.304 INFO [stdout] 5dd7424071f2135911cd9abf244a98d1d8a9d54b8365a3eecbac9d1b78f146ea