[INFO] cloning repository https://github.com/varjolintu/rosti
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/varjolintu/rosti" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarjolintu%2Frosti", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarjolintu%2Frosti'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f611efea16a506859c073fbfcd1ece8cec361f97
[INFO] documenting varjolintu/rosti against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarjolintu%2Frosti" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/varjolintu/rosti 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/varjolintu/rosti
[INFO] finished tweaking git repo https://github.com/varjolintu/rosti
[INFO] tweaked toml for git repo https://github.com/varjolintu/rosti written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/varjolintu/rosti 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 7dfa0d426b09090261c0795c18f193968fad4e5d1c15e631b62de4f153f0493e
[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" "7dfa0d426b09090261c0795c18f193968fad4e5d1c15e631b62de4f153f0493e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dfa0d426b09090261c0795c18f193968fad4e5d1c15e631b62de4f153f0493e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dfa0d426b09090261c0795c18f193968fad4e5d1c15e631b62de4f153f0493e", kill_on_drop: false }`
[INFO] [stdout] 7dfa0d426b09090261c0795c18f193968fad4e5d1c15e631b62de4f153f0493e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 703b00c6b1c30f06b2b3d8200994303af60c826e98f1a9bd34caa6aca7e1ebd6
[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" "703b00c6b1c30f06b2b3d8200994303af60c826e98f1a9bd34caa6aca7e1ebd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling pkg-config v0.3.13
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling ryu v0.2.3
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking socket2 v0.3.7
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling libz-sys v1.0.20
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[INFO] [stderr]    Compiling curl-sys v0.4.8
[INFO] [stderr]     Checking chrono v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]     Checking curl v0.4.14
[INFO] [stderr]  Documenting rosti v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 10s
[INFO] running `Command { std: "docker" "inspect" "703b00c6b1c30f06b2b3d8200994303af60c826e98f1a9bd34caa6aca7e1ebd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "703b00c6b1c30f06b2b3d8200994303af60c826e98f1a9bd34caa6aca7e1ebd6", kill_on_drop: false }`
[INFO] [stdout] 703b00c6b1c30f06b2b3d8200994303af60c826e98f1a9bd34caa6aca7e1ebd6