[INFO] cloning repository https://github.com/steveklabnik/doxidize
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/steveklabnik/doxidize" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveklabnik%2Fdoxidize", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveklabnik%2Fdoxidize'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0cd9fce983a16187cdf54b6489cf86bfe8b21c9
[INFO] testing steveklabnik/doxidize against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveklabnik%2Fdoxidize" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/steveklabnik/doxidize on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/steveklabnik/doxidize
[INFO] finished tweaking git repo https://github.com/steveklabnik/doxidize
[INFO] tweaked toml for git repo https://github.com/steveklabnik/doxidize written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/steveklabnik/doxidize already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/steveklabnik/simple-server`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded heck v0.3.0
[INFO] [stderr]   Downloaded ctrlc v3.1.0
[INFO] [stderr]   Downloaded typed-arena v1.3.0
[INFO] [stderr]   Downloaded pest_derive v1.0.7
[INFO] [stderr]   Downloaded slog-term v2.3.0
[INFO] [stderr]   Downloaded derive-new v0.5.0
[INFO] [stderr]   Downloaded pest v1.0.3
[INFO] [stderr]   Downloaded entities v1.0.0
[INFO] [stderr]   Downloaded nix v0.9.0
[INFO] [stderr]   Downloaded inotify v0.3.0
[INFO] [stderr]   Downloaded take_mut v0.2.0
[INFO] [stderr]   Downloaded nibble_vec v0.0.3
[INFO] [stderr]   Downloaded num-traits v0.1.42
[INFO] [stderr]   Downloaded filetime v0.1.15
[INFO] [stderr]   Downloaded structopt v0.1.7
[INFO] [stderr]   Downloaded unidecode v0.3.0
[INFO] [stderr]   Downloaded handlebars v0.32.0
[INFO] [stderr]   Downloaded slugify v0.1.0
[INFO] [stderr]   Downloaded slog v2.2.3
[INFO] [stderr]   Downloaded toml_edit v0.1.1
[INFO] [stderr]   Downloaded configure_derive v0.1.1
[INFO] [stderr]   Downloaded erased-serde v0.3.3
[INFO] [stderr]   Downloaded http v0.1.4
[INFO] [stderr]   Downloaded configure v0.1.1
[INFO] [stderr]   Downloaded rls-span v0.4.0
[INFO] [stderr]   Downloaded rls-data v0.15.0
[INFO] [stderr]   Downloaded combine v3.0.0-alpha.2
[INFO] [stderr]   Downloaded radix_trie v0.1.2
[INFO] [stderr]   Downloaded twoway v0.1.7
[INFO] [stderr]   Downloaded notify v4.0.3
[INFO] [stderr]   Downloaded clap v2.29.4
[INFO] [stderr]   Downloaded comrak v0.2.8
[INFO] [stderr]   Downloaded rls-analysis v0.11.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ade13abbfeddc06dab0dd887273aa059b0c8b513e0160cd012826d4c4e2dffc9
[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" "ade13abbfeddc06dab0dd887273aa059b0c8b513e0160cd012826d4c4e2dffc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ade13abbfeddc06dab0dd887273aa059b0c8b513e0160cd012826d4c4e2dffc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ade13abbfeddc06dab0dd887273aa059b0c8b513e0160cd012826d4c4e2dffc9", kill_on_drop: false }`
[INFO] [stdout] ade13abbfeddc06dab0dd887273aa059b0c8b513e0160cd012826d4c4e2dffc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f83785c3ccf165fddeab8de8e5d14ead9e082654923b5f2d51cfc53c92629c2
[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" "1f83785c3ccf165fddeab8de8e5d14ead9e082654923b5f2d51cfc53c92629c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling pest v1.0.3
[INFO] [stderr]    Compiling ascii v0.7.1
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling slog v2.2.3
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling nibble_vec v0.0.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling entities v1.0.0
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling typed-arena v1.3.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling unidecode v0.3.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling isatty v0.1.6
[INFO] [stderr]    Compiling inotify v0.3.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling erased-serde v0.3.3
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling filetime v0.1.15
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling radix_trie v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling combine v3.0.0-alpha.2
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling twoway v0.1.7
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling slugify v0.1.0
[INFO] [stderr]    Compiling clap v2.29.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling http v0.1.4
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling rls-span v0.4.0
[INFO] [stderr]    Compiling miow v0.1.5
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling mio v0.5.1
[INFO] [stderr]    Compiling slog-term v2.3.0
[INFO] [stderr]    Compiling notify v4.0.3
[INFO] [stderr]    Compiling ctrlc v3.1.0
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling simple-server v0.3.0 (https://github.com/steveklabnik/simple-server#10103f59)
[INFO] [stderr]    Compiling structopt v0.1.7
[INFO] [stderr]    Compiling toml_edit v0.1.1
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling derive-new v0.5.0
[INFO] [stderr]    Compiling configure_derive v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stdout] error[E0502]: cannot borrow `v` as immutable because it is also borrowed as mutable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/toml_edit-0.1.1/src/index.rs:54:65
[INFO] [stdout]    |
[INFO] [stdout] 44 |       fn index_or_insert<'v>(&self, v: &'v mut Item) -> &'v mut Item {
[INFO] [stdout]    |                          -- lifetime `'v` defined here
[INFO] [stdout] 45 | /         match *v {
[INFO] [stdout] 46 | |             Item::ArrayOfTables(ref mut vec) => {
[INFO] [stdout] 47 | |                 vec.values.get_mut(*self).expect("index out of bounds")
[INFO] [stdout] 48 | |             }
[INFO] [stdout] 49 | |             Item::Value(ref mut a) if a.is_array() => a.as_array_mut()
[INFO] [stdout]    | |                         --------- mutable borrow occurs here
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |             _ => panic!("cannot access index {} in {:?}", self, v),
[INFO] [stdout]    | |                                                                 ^ immutable borrow occurs here
[INFO] [stdout] 55 | |         }
[INFO] [stdout]    | |_________- returning this value requires that `v.0` is borrowed for `'v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `v` as immutable because it is also borrowed as mutable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/toml_edit-0.1.1/src/index.rs:85:63
[INFO] [stdout]    |
[INFO] [stdout] 68 |       fn index_or_insert<'v>(&self, v: &'v mut Item) -> &'v mut Item {
[INFO] [stdout]    |                          -- lifetime `'v` defined here
[INFO] [stdout] ...
[INFO] [stdout] 75 | /         match *v {
[INFO] [stdout] 76 | |             Item::Table(ref mut t) => t.entry(self).or_insert(Item::None),
[INFO] [stdout] 77 | |             Item::Value(ref mut v) if v.is_inline_table() => {
[INFO] [stdout]    | |                         --------- mutable borrow occurs here
[INFO] [stdout] 78 | |                 &mut v.as_inline_table_mut()
[INFO] [stdout] ...  |
[INFO] [stdout] 85 | |             _ => panic!("cannot access key {} in {:?}", self, v),
[INFO] [stdout]    | |                                                               ^ immutable borrow occurs here
[INFO] [stdout] 86 | |         }
[INFO] [stdout]    | |_________- returning this value requires that `v.0` is borrowed for `'v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `toml_edit`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1f83785c3ccf165fddeab8de8e5d14ead9e082654923b5f2d51cfc53c92629c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f83785c3ccf165fddeab8de8e5d14ead9e082654923b5f2d51cfc53c92629c2", kill_on_drop: false }`
[INFO] [stdout] 1f83785c3ccf165fddeab8de8e5d14ead9e082654923b5f2d51cfc53c92629c2