[INFO] updating cached repository https://github.com/nbigaouette/cucumber-rust-test-async-pr-32
[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] 8e0379f086537fa6fb1ed9b23e4d980e45ab4e39
[INFO] documenting nbigaouette/cucumber-rust-test-async-pr-32 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbigaouette%2Fcucumber-rust-test-async-pr-32" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nbigaouette/cucumber-rust-test-async-pr-32 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/nbigaouette/cucumber-rust-test-async-pr-32
[INFO] finished tweaking git repo https://github.com/nbigaouette/cucumber-rust-test-async-pr-32
[INFO] tweaked toml for git repo https://github.com/nbigaouette/cucumber-rust-test-async-pr-32 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/nbigaouette/cucumber-rust-test-async-pr-32 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a5b74774cbf448428af6b3221c8cd00614671c395f3a93cd0075adfdd3319cc6
[INFO] running `Command { std: "docker" "start" "-a" "a5b74774cbf448428af6b3221c8cd00614671c395f3a93cd0075adfdd3319cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5b74774cbf448428af6b3221c8cd00614671c395f3a93cd0075adfdd3319cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b74774cbf448428af6b3221c8cd00614671c395f3a93cd0075adfdd3319cc6", kill_on_drop: false }`
[INFO] [stdout] a5b74774cbf448428af6b3221c8cd00614671c395f3a93cd0075adfdd3319cc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b9f29b68d2992fad770df462ee2e6b1f56bca0c58480f28e4166e36645e0ab31
[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" "b9f29b68d2992fad770df462ee2e6b1f56bca0c58480f28e4166e36645e0ab31", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
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[INFO] [stderr]    Compiling async-trait v0.1.31
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking pin-project v0.4.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking gherkin_rust v0.7.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking cucumber_rust v0.6.4 (https://github.com/bbqsrc/cucumber-rust.git?rev=9c2af38#9c2af387)
[INFO] [stderr]  Documenting cucumber-async-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "b9f29b68d2992fad770df462ee2e6b1f56bca0c58480f28e4166e36645e0ab31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f29b68d2992fad770df462ee2e6b1f56bca0c58480f28e4166e36645e0ab31", kill_on_drop: false }`
[INFO] [stdout] b9f29b68d2992fad770df462ee2e6b1f56bca0c58480f28e4166e36645e0ab31