[INFO] fetching crate lithos 0.18.4... [INFO] documenting lithos-0.18.4 against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] extracting crate lithos 0.18.4 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate lithos 0.18.4 on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate lithos 0.18.4 [INFO] finished tweaking crates.io crate lithos 0.18.4 [INFO] tweaked toml for crates.io crate lithos 0.18.4 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_str v0.1.0 [INFO] [stderr] Downloaded syslog v3.3.0 [INFO] [stderr] Downloaded signal v0.5.1 [INFO] [stderr] Downloaded unshare v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 207d0bc603331475abfd90ad68383f5281d5df56415bb5d720c44cc91e9c74b0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "207d0bc603331475abfd90ad68383f5281d5df56415bb5d720c44cc91e9c74b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "207d0bc603331475abfd90ad68383f5281d5df56415bb5d720c44cc91e9c74b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "207d0bc603331475abfd90ad68383f5281d5df56415bb5d720c44cc91e9c74b0", kill_on_drop: false }` [INFO] [stdout] 207d0bc603331475abfd90ad68383f5281d5df56415bb5d720c44cc91e9c74b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3d3e8635905203359e017332b57f27f8c7ed40f949e11f4673c92b9a8774da9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a3d3e8635905203359e017332b57f27f8c7ed40f949e11f4673c92b9a8774da9", kill_on_drop: false }` [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking atomic v0.3.4 [INFO] [stderr] Checking argparse v0.2.2 [INFO] [stderr] Checking scan_dir v0.3.3 [INFO] [stderr] Checking unix_socket v0.5.0 [INFO] [stderr] Checking serde_str v0.1.0 [INFO] [stderr] Checking ssh-keys v0.1.4 [INFO] [stderr] Checking libmount v0.1.15 [INFO] [stderr] Checking fern v0.4.4 [INFO] [stderr] Checking humannum v0.1.0 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking blake2 v0.7.1 [INFO] [stderr] Checking ipnetwork v0.13.1 [INFO] [stderr] Checking libcantal v0.3.2 [INFO] [stderr] Checking quire v0.4.1 [INFO] [stderr] Checking syslog v3.3.0 [INFO] [stderr] Checking unshare v0.3.0 [INFO] [stderr] Checking signal v0.5.1 [INFO] [stderr] Checking lithos v0.18.4 (/opt/rustwide/workdir) [INFO] [stderr] Documenting lithos v0.18.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/master_config.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | try!(ensure_dir(&cfg.runtime_dir) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/master_config.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | try!(ensure_dir(&cfg.runtime_dir.join(&cfg.state_dir)) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/master_config.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | try!(ensure_dir(&cfg.runtime_dir.join(&cfg.mount_dir)) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/master_config.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | try!(ensure_dir(&cfg.default_log_dir) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/master_config.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | try!(ensure_dir(&cfg.stdio_log_dir) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/mount.rs:72:24 [INFO] [stdout] | [INFO] [stdout] 72 | let mount_id = try!(parts.next_value()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/mount.rs:73:25 [INFO] [stdout] | [INFO] [stdout] 73 | let parent_id = try!(parts.next_value()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/mount.rs:74:22 [INFO] [stdout] | [INFO] [stdout] 74 | let device = try!(parts.next_str()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/mount.rs:75:29 [INFO] [stdout] | [INFO] [stdout] 75 | let relative_root = try!(parts.next_str()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/mount.rs:76:27 [INFO] [stdout] | [INFO] [stdout] 76 | let mount_point = try!(parts.next_str()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/mount.rs:77:29 [INFO] [stdout] | [INFO] [stdout] 77 | let mount_options = try!(parts.next_str()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/mount.rs:89:39 [INFO] [stdout] | [INFO] [stdout] 89 | tag_shared = Some(try!(pair.next_value())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/mount.rs:92:39 [INFO] [stdout] | [INFO] [stdout] 92 | tag_master = Some(try!(pair.next_value())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/mount.rs:95:47 [INFO] [stdout] | [INFO] [stdout] 95 | tag_propagate_from = Some(try!(pair.next_value())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/mount.rs:102:22 [INFO] [stdout] | [INFO] [stdout] 102 | let fstype = try!(parts.next_str()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/mount.rs:103:28 [INFO] [stdout] | [INFO] [stdout] 103 | let mount_source = try!(parts.next_str()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/mount.rs:104:29 [INFO] [stdout] | [INFO] [stdout] 104 | let super_options = try!(parts.next_str()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/utils.rs:160:5 [INFO] [stdout] | [INFO] [stdout] 160 | try!(temporary_change_root(dir, || { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/utils.rs:161:23 [INFO] [stdout] | [INFO] [stdout] 161 | let dirlist = try!(read_dir("/") [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/utils.rs:168:21 [INFO] [stdout] | [INFO] [stdout] 168 | try!(remove_dir_all(entry.path()) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/utils.rs:173:21 [INFO] [stdout] | [INFO] [stdout] 173 | try!(remove_file(entry.path()) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/utils.rs:185:9 [INFO] [stdout] | [INFO] [stdout] 185 | try!(remove_dir(dir) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/network.rs:23:16 [INFO] [stdout] | [INFO] [stdout] 23 | let host = try!(get_host_name()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/network.rs:24:16 [INFO] [stdout] | [INFO] [stdout] 24 | let addr = try!(get_host_address(&host[..])); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/cgroup.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let f = try!(File::open(&path) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/cgroup.rs:45:20 [INFO] [stdout] | [INFO] [stdout] 45 | let line = try!(line [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/cgroup.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | try!(chunks.next().ok_or(format!("CGroup num expected"))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/cgroup.rs:53:25 [INFO] [stdout] | [INFO] [stdout] 53 | let namechunk = try!(chunks.next() [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/cgroup.rs:56:21 [INFO] [stdout] | [INFO] [stdout] 56 | let names = try!(namepair.next() [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/cgroup.rs:59:36 [INFO] [stdout] | [INFO] [stdout] 59 | let group_path = Path::new(try!(chunks.next() [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/cgroup.rs:92:22 [INFO] [stdout] | [INFO] [stdout] 92 | let parent_grp = try!(parse_cgroups(Some(1))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/cgroup.rs:93:19 [INFO] [stdout] | [INFO] [stdout] 93 | let old_grp = try!(parse_cgroups(None)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/cgroup.rs:98:52 [INFO] [stdout] | [INFO] [stdout] 98 | let CGroupPath(ref rfolder, ref rpath) = **try!( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/cgroup.rs:101:52 [INFO] [stdout] | [INFO] [stdout] 101 | let CGroupPath(ref ofolder, ref opath) = **try!( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/cgroup.rs:122:13 [INFO] [stdout] | [INFO] [stdout] 122 | try!(create_dir(&fullpath) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/cgroup.rs:129:9 [INFO] [stdout] | [INFO] [stdout] 129 | try!(OpenOptions::new().write(true).open(&fullpath.join("tasks")) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/cgroup.rs:165:22 [INFO] [stdout] | [INFO] [stdout] 165 | let parent_grp = try!(parse_cgroups(Some(1))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/cgroup.rs:185:20 [INFO] [stdout] | [INFO] [stdout] 185 | let path = try!(self.full_paths.get(&ctr) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/cgroup.rs:195:20 [INFO] [stdout] | [INFO] [stdout] 195 | let path = try!(self.full_paths.get(&ctr) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/metrics.rs:64:42 [INFO] [stdout] | [INFO] [stdout] 64 | fn visit<'x>(&'x self, visitor: &mut Visitor<'x>) { [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn Visitor<'x>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/metrics.rs:91:29 [INFO] [stdout] | [INFO] [stdout] 91 | fn visit(&self, s: &mut NameVisitor) { [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn NameVisitor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/metrics.rs:105:29 [INFO] [stdout] | [INFO] [stdout] 105 | fn visit(&self, s: &mut NameVisitor) { [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn NameVisitor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/metrics.rs:115:29 [INFO] [stdout] | [INFO] [stdout] 115 | fn visit(&self, s: &mut NameVisitor) { [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn NameVisitor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/knot_options.rs:30:22 [INFO] [stdout] | [INFO] [stdout] 30 | stdout: &mut Write, stderr: &mut Write) [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/knot_options.rs:30:42 [INFO] [stdout] | [INFO] [stdout] 30 | stdout: &mut Write, stderr: &mut Write) [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tree_options.rs:20:22 [INFO] [stdout] | [INFO] [stdout] 20 | stdout: &mut Write, stderr: &mut Write) [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tree_options.rs:20:42 [INFO] [stdout] | [INFO] [stdout] 20 | stdout: &mut Write, stderr: &mut Write) [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 47 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/bin/lithos_ps/ascii.rs:130:23 [INFO] [stdout] | [INFO] [stdout] 130 | 1 ... 10240 => (1f64, "B"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/bin/lithos_ps/ascii.rs:131:27 [INFO] [stdout] | [INFO] [stdout] 131 | 10241 ... 10485760 => (1024f64, "kiB"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/bin/lithos_ps/ascii.rs:132:30 [INFO] [stdout] | [INFO] [stdout] 132 | 10485761 ... 10737418240 => (1048576f64, "MiB"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: Could not document `lithos`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type bin --crate-name lithos_check src/bin/lithos_check.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern argparse=/opt/rustwide/target/debug/deps/libargparse-fdd11eeb8e2932c9.rmeta --extern base64=/opt/rustwide/target/debug/deps/libbase64-3e3f2557dd2e5666.rmeta --extern blake2=/opt/rustwide/target/debug/deps/libblake2-cf270faf3221554f.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-e2d4ce27a887f568.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-56dd397d7044e9d2.rmeta --extern fern=/opt/rustwide/target/debug/deps/libfern-766bdf9ee6f1087b.rmeta --extern humantime=/opt/rustwide/target/debug/deps/libhumantime-e284016abeaa4a04.rmeta --extern ipnetwork=/opt/rustwide/target/debug/deps/libipnetwork-5c9aac31969ec958.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-db88f49d9e5662e7.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-b01e5f49cd1b74e8.rmeta --extern libcantal=/opt/rustwide/target/debug/deps/liblibcantal-41a029c311ce6953.rmeta --extern libmount=/opt/rustwide/target/debug/deps/liblibmount-ae65e3b07f996d89.rmeta --extern lithos=/opt/rustwide/target/debug/deps/liblithos-4fe57ab757124e31.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-39376325fae1b39f.rmeta --extern matches=/opt/rustwide/target/debug/deps/libmatches-54ad82543365efe0.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-8b45886e4f392416.rmeta --extern quire=/opt/rustwide/target/debug/deps/libquire-8590a38bab1cb87c.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-3c099bea820a9d53.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-c251ca4f1be2ef5d.rmeta --extern crypto=/opt/rustwide/target/debug/deps/libcrypto-3dca84d7ed372bb7.rmeta --extern scan_dir=/opt/rustwide/target/debug/deps/libscan_dir-76ea346170bb7db1.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-ec5e695d7e4b5284.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-3a89c57880b62507.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-c4ec997ff5337c19.rmeta --extern serde_str=/opt/rustwide/target/debug/deps/libserde_str-626dcc8c172889df.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-6f034a045c65e80f.rmeta --extern signal=/opt/rustwide/target/debug/deps/libsignal-45f93ab5b57eea09.rmeta --extern ssh_keys=/opt/rustwide/target/debug/deps/libssh_keys-ebc7554f61b757a9.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-4faefe19b62df87d.rmeta --extern syslog=/opt/rustwide/target/debug/deps/libsyslog-90442e29b25f3c89.rmeta --extern unshare=/opt/rustwide/target/debug/deps/libunshare-d980ccbef33590dd.rmeta --cap-lints=warn --crate-version 0.18.4` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "a3d3e8635905203359e017332b57f27f8c7ed40f949e11f4673c92b9a8774da9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3d3e8635905203359e017332b57f27f8c7ed40f949e11f4673c92b9a8774da9", kill_on_drop: false }` [INFO] [stdout] a3d3e8635905203359e017332b57f27f8c7ed40f949e11f4673c92b9a8774da9