[INFO] updating cached repository https://github.com/danburkert/simple-kv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e28581e10becc4ceb9ffe56c88c74aedcbea231
[INFO] documenting danburkert/simple-kv against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanburkert%2Fsimple-kv" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danburkert/simple-kv on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danburkert/simple-kv
[INFO] finished tweaking git repo https://github.com/danburkert/simple-kv
[INFO] tweaked toml for git repo https://github.com/danburkert/simple-kv written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/danburkert/simple-kv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/mio.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1af27a7683edacbc44f983b40fd067201c557cf7790cdd36d5b4ffb455070d6a
[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" "1af27a7683edacbc44f983b40fd067201c557cf7790cdd36d5b4ffb455070d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1af27a7683edacbc44f983b40fd067201c557cf7790cdd36d5b4ffb455070d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1af27a7683edacbc44f983b40fd067201c557cf7790cdd36d5b4ffb455070d6a", kill_on_drop: false }`
[INFO] [stdout] 1af27a7683edacbc44f983b40fd067201c557cf7790cdd36d5b4ffb455070d6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b2c3bbcaf54da00441fedec26be24d3159446dadbbcc0f5b4008ab64fa1ceab
[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" "9b2c3bbcaf54da00441fedec26be24d3159446dadbbcc0f5b4008ab64fa1ceab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking histogram v0.6.9
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking mio v0.7.0 (https://github.com/carllerche/mio.git#57e4c2a8)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]  Documenting simple-kv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `mio::PollOpt`, `mio::EventLoop`, `mio::EventSet`, `mio::Handler`
[INFO] [stdout]  --> src/server.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use mio::{PollOpt, EventLoop, EventSet, Handler, Token};
[INFO] [stdout]   |           ^^^^^^^  ^^^^^^^^^  ^^^^^^^^  ^^^^^^^ no `Handler` in the root
[INFO] [stdout]   |           |        |          |
[INFO] [stdout]   |           |        |          no `EventSet` in the root
[INFO] [stdout]   |           |        no `EventLoop` in the root
[INFO] [stdout]   |           no `PollOpt` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `mio::tcp`
[INFO] [stdout]  --> src/server.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | use mio::tcp::{TcpListener, TcpStream};
[INFO] [stdout]   |          ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `mio::util`
[INFO] [stdout]  --> src/server.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | use mio::util::Slab;
[INFO] [stdout]   |          ^^^^ could not find `util` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `histogram::HistogramConfig`
[INFO] [stdout]   --> src/bench.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 | use histogram::{Histogram, HistogramConfig};
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ no `HistogramConfig` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `mio::PollOpt`, `mio::EventLoop`, `mio::EventSet`, `mio::Handler`
[INFO] [stdout]   --> src/bench.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | use mio::{PollOpt, EventLoop, EventSet, Handler, Token};
[INFO] [stdout]    |           ^^^^^^^  ^^^^^^^^^  ^^^^^^^^  ^^^^^^^ no `Handler` in the root
[INFO] [stdout]    |           |        |          |
[INFO] [stdout]    |           |        |          no `EventSet` in the root
[INFO] [stdout]    |           |        no `EventLoop` in the root
[INFO] [stdout]    |           no `PollOpt` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `mio::tcp`
[INFO] [stdout]   --> src/bench.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | use mio::tcp::TcpStream;
[INFO] [stdout]    |          ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `mio::util`
[INFO] [stdout]   --> src/bench.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | use mio::util::Slab;
[INFO] [stdout]    |          ^^^^ could not find `util` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::XorShiftRng`
[INFO] [stdout]   --> src/bench.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 | use rand::{Rng, XorShiftRng};
[INFO] [stdout]    |                 ^^^^^^^^^^^ no `XorShiftRng` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `simple-kv`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name simple_kv src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern docopt=/opt/rustwide/target/debug/deps/libdocopt-647d7a0d6e4aaa17.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-07df780a17356392.rmeta --extern histogram=/opt/rustwide/target/debug/deps/libhistogram-2870e7588b8aee2d.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-0aada07bd69e847b.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-defc6896fbcc1c2a.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-3ab3bfa30110ec03.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-7ddf6b4d13e0395e.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-fd071891a56314cf.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "9b2c3bbcaf54da00441fedec26be24d3159446dadbbcc0f5b4008ab64fa1ceab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b2c3bbcaf54da00441fedec26be24d3159446dadbbcc0f5b4008ab64fa1ceab", kill_on_drop: false }`
[INFO] [stdout] 9b2c3bbcaf54da00441fedec26be24d3159446dadbbcc0f5b4008ab64fa1ceab