[INFO] updating cached repository https://github.com/kngwyu/fugu-shell
[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] 716142a7c4f7c9b29a8a46bd6f51d05efc30cf9b
[INFO] documenting kngwyu/fugu-shell against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkngwyu%2Ffugu-shell" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kngwyu/fugu-shell 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/kngwyu/fugu-shell
[INFO] finished tweaking git repo https://github.com/kngwyu/fugu-shell
[INFO] tweaked toml for git repo https://github.com/kngwyu/fugu-shell written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/kngwyu/fugu-shell 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] c4b25bdf68cb871136eb4821912893858a934076213445d2b92e233c5c1b6b3a
[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" "c4b25bdf68cb871136eb4821912893858a934076213445d2b92e233c5c1b6b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4b25bdf68cb871136eb4821912893858a934076213445d2b92e233c5c1b6b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b25bdf68cb871136eb4821912893858a934076213445d2b92e233c5c1b6b3a", kill_on_drop: false }`
[INFO] [stdout] c4b25bdf68cb871136eb4821912893858a934076213445d2b92e233c5c1b6b3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 33da9d98334a6b02d3d682d17619da220d293395e3e78d980edd6994beb90c9e
[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" "33da9d98334a6b02d3d682d17619da220d293395e3e78d980edd6994beb90c9e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking lazy_static v0.2.10
[INFO] [stderr]     Checking slog v2.0.12
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking take_mut v0.1.3
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking same-file v1.0.0
[INFO] [stderr]     Checking ascii v0.8.6
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking walkdir v2.0.1
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking isatty v0.1.6
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking slog-scope v4.0.1
[INFO] [stderr]     Checking slog-async v2.1.0
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]     Checking slog-stdlog v3.0.2
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]     Checking trackable v0.2.8
[INFO] [stderr]    Compiling serde_derive_internals v0.17.0
[INFO] [stderr]     Checking slog-term v2.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.21
[INFO] [stderr]     Checking sloggers v0.2.4
[INFO] [stderr]  Documenting fugu-shell v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.68s
[INFO] running `Command { std: "docker" "inspect" "33da9d98334a6b02d3d682d17619da220d293395e3e78d980edd6994beb90c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33da9d98334a6b02d3d682d17619da220d293395e3e78d980edd6994beb90c9e", kill_on_drop: false }`
[INFO] [stdout] 33da9d98334a6b02d3d682d17619da220d293395e3e78d980edd6994beb90c9e