[INFO] cloning repository https://github.com/portaloffreedom/rustline
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/portaloffreedom/rustline" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fportaloffreedom%2Frustline", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fportaloffreedom%2Frustline'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87b2d3fce4f6afc89bc58620579ef4d49b8918ad
[INFO] documenting portaloffreedom/rustline against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fportaloffreedom%2Frustline" "/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/portaloffreedom/rustline 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/portaloffreedom/rustline
[INFO] finished tweaking git repo https://github.com/portaloffreedom/rustline
[INFO] tweaked toml for git repo https://github.com/portaloffreedom/rustline written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/portaloffreedom/rustline 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]     Blocking waiting for file lock on package cache
[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" "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] 744fc593403897380fb7f1cdd0ca315fe0aff422af8b3df0e62c609cb2c895f3
[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" "744fc593403897380fb7f1cdd0ca315fe0aff422af8b3df0e62c609cb2c895f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "744fc593403897380fb7f1cdd0ca315fe0aff422af8b3df0e62c609cb2c895f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744fc593403897380fb7f1cdd0ca315fe0aff422af8b3df0e62c609cb2c895f3", kill_on_drop: false }`
[INFO] [stdout] 744fc593403897380fb7f1cdd0ca315fe0aff422af8b3df0e62c609cb2c895f3
[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" "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] 4ba81ae9336f5ace74092e2e966c0977cd21d359be9ec0bd7ec13e7a8eb7ff8b
[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" "4ba81ae9336f5ace74092e2e966c0977cd21d359be9ec0bd7ec13e7a8eb7ff8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking openssl-probe v0.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.12.7+1.0.0
[INFO] [stderr]     Checking git2 v0.13.6
[INFO] [stderr]  Documenting rustline v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.76s
[INFO] running `Command { std: "docker" "inspect" "4ba81ae9336f5ace74092e2e966c0977cd21d359be9ec0bd7ec13e7a8eb7ff8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ba81ae9336f5ace74092e2e966c0977cd21d359be9ec0bd7ec13e7a8eb7ff8b", kill_on_drop: false }`
[INFO] [stdout] 4ba81ae9336f5ace74092e2e966c0977cd21d359be9ec0bd7ec13e7a8eb7ff8b