[INFO] cloning repository https://github.com/vv9k/mdbook-man
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vv9k/mdbook-man" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvv9k%2Fmdbook-man", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvv9k%2Fmdbook-man'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d34fa98f2d9bb64371315d4e013e600dc29bd53
[INFO] checking vv9k/mdbook-man against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvv9k%2Fmdbook-man" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vv9k/mdbook-man on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vv9k/mdbook-man
[INFO] finished tweaking git repo https://github.com/vv9k/mdbook-man
[INFO] tweaked toml for git repo https://github.com/vv9k/mdbook-man written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/vv9k/mdbook-man already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shlex v1.0.0
[INFO] [stderr]   Downloaded pathdiff v0.2.0
[INFO] [stderr]   Downloaded open v1.7.1
[INFO] [stderr]   Downloaded serde_derive v1.0.128
[INFO] [stderr]   Downloaded typed-arena v1.7.0
[INFO] [stderr]   Downloaded elasticlunr-rs v2.3.13
[INFO] [stderr]   Downloaded entities v1.0.1
[INFO] [stderr]   Downloaded comrak v0.11.0
[INFO] [stderr]   Downloaded handlebars v4.1.2
[INFO] [stderr]   Downloaded ammonia v3.1.2
[INFO] [stderr]   Downloaded roffman v0.3.0
[INFO] [stderr]   Downloaded filetime v0.2.15
[INFO] [stderr]   Downloaded serde v1.0.128
[INFO] [stderr]   Downloaded gitignore v1.0.7
[INFO] [stderr]   Downloaded mdbook v0.4.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c22aea3628aa2a35bab2d34ead13e3c327eb4c4074e9dff48ef142c235e811e
[INFO] running `Command { std: "docker" "start" "-a" "6c22aea3628aa2a35bab2d34ead13e3c327eb4c4074e9dff48ef142c235e811e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c22aea3628aa2a35bab2d34ead13e3c327eb4c4074e9dff48ef142c235e811e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c22aea3628aa2a35bab2d34ead13e3c327eb4c4074e9dff48ef142c235e811e", kill_on_drop: false }`
[INFO] [stdout] 6c22aea3628aa2a35bab2d34ead13e3c327eb4c4074e9dff48ef142c235e811e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4c64d61833b06ab7d24f0953f0480f37c1e686f8bf6ac7bfe036d959d79ceca
[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" "d4c64d61833b06ab7d24f0953f0480f37c1e686f8bf6ac7bfe036d959d79ceca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking shlex v1.0.0
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking roffman v0.3.0
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking open v1.7.1
[INFO] [stderr]     Checking gitignore v1.0.7
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking twoway v0.2.2
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking pulldown-cmark v0.7.2
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking sha-1 v0.9.7
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking mime_guess v2.0.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking headers v0.3.4
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]     Checking comrak v0.11.0
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking serde v1.0.128
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking h2 v0.3.4
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking handlebars v4.1.2
[INFO] [stderr]     Checking elasticlunr-rs v2.3.13
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking ammonia v3.1.2
[INFO] [stderr]     Checking warp v0.3.1
[INFO] [stderr]     Checking mdbook v0.4.12
[INFO] [stderr]     Checking mdbook-man v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "d4c64d61833b06ab7d24f0953f0480f37c1e686f8bf6ac7bfe036d959d79ceca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4c64d61833b06ab7d24f0953f0480f37c1e686f8bf6ac7bfe036d959d79ceca", kill_on_drop: false }`
[INFO] [stdout] d4c64d61833b06ab7d24f0953f0480f37c1e686f8bf6ac7bfe036d959d79ceca