[INFO] cloning repository https://github.com/alexfedoseev/steward
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexfedoseev/steward" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexfedoseev%2Fsteward", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexfedoseev%2Fsteward'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80a2b6e0294d3c6e172b7e998d7b46f8b79ff6ff
[INFO] documenting alexfedoseev/steward against try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexfedoseev%2Fsteward" "/workspace/builds/worker-35/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexfedoseev/steward on toolchain 6fd27704e643b25711e6a97ec2b04873b411b97d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexfedoseev/steward
[INFO] finished tweaking git repo https://github.com/alexfedoseev/steward
[INFO] tweaked toml for git repo https://github.com/alexfedoseev/steward written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate git repo https://github.com/alexfedoseev/steward already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e8917541127a62c4a48b6b6f6a54b002c9aa1240740c8a2b682057242e29a83
[INFO] running `Command { std: "docker" "start" "-a" "7e8917541127a62c4a48b6b6f6a54b002c9aa1240740c8a2b682057242e29a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e8917541127a62c4a48b6b6f6a54b002c9aa1240740c8a2b682057242e29a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8917541127a62c4a48b6b6f6a54b002c9aa1240740c8a2b682057242e29a83", kill_on_drop: false }`
[INFO] [stdout] 7e8917541127a62c4a48b6b6f6a54b002c9aa1240740c8a2b682057242e29a83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec4f432fbf4f974dbb61468c50eb3bb750e4650d044fa1e36e18c925949ae7a8
[INFO] running `Command { std: "docker" "start" "-a" "ec4f432fbf4f974dbb61468c50eb3bb750e4650d044fa1e36e18c925949ae7a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]  Documenting steward v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: macro_rules fallback is used during doc link resolution
[INFO] [stdout]   --> src/process.rs:42:109
[INFO] [stdout]    |
[INFO] [stdout] 42 | /// Long running process. Can be constructed via [`Process::new`](Process::new) or convenience [`process!`](process!) macro.
[INFO] [stdout]    |                                                                                                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(rustdoc::macro_rules_fallback)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `steward`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name steward src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e57491ab0a6aa21b -L dependency=/opt/rustwide/target/debug/deps --extern console=/opt/rustwide/target/debug/deps/libconsole-97055514207288a1.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-3ab14ef94a1f89cf.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-6ed3694332b7395d.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-efb3ac892ae506cd.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-734e0db476f63599.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-c6f25c116789d7cb.rmeta --cap-lints=forbid --crate-version 0.0.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ec4f432fbf4f974dbb61468c50eb3bb750e4650d044fa1e36e18c925949ae7a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4f432fbf4f974dbb61468c50eb3bb750e4650d044fa1e36e18c925949ae7a8", kill_on_drop: false }`
[INFO] [stdout] ec4f432fbf4f974dbb61468c50eb3bb750e4650d044fa1e36e18c925949ae7a8