[INFO] cloning repository https://github.com/BenTheElder/docs_test_case
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenTheElder/docs_test_case" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenTheElder%2Fdocs_test_case", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenTheElder%2Fdocs_test_case'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96038f61ef6fc04c4738592d8c55b8c72668587a
[INFO] checking BenTheElder/docs_test_case against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenTheElder%2Fdocs_test_case" "/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/BenTheElder/docs_test_case on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BenTheElder/docs_test_case
[INFO] finished tweaking git repo https://github.com/BenTheElder/docs_test_case
[INFO] tweaked toml for git repo https://github.com/BenTheElder/docs_test_case written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/BenTheElder/docs_test_case already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "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] d8c1654a651c1fcdfbf0a07b44dbfc1fb725e937956becf1b107d5a857471e5d
[INFO] running `Command { std: "docker" "start" "-a" "d8c1654a651c1fcdfbf0a07b44dbfc1fb725e937956becf1b107d5a857471e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8c1654a651c1fcdfbf0a07b44dbfc1fb725e937956becf1b107d5a857471e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c1654a651c1fcdfbf0a07b44dbfc1fb725e937956becf1b107d5a857471e5d", kill_on_drop: false }`
[INFO] [stdout] d8c1654a651c1fcdfbf0a07b44dbfc1fb725e937956becf1b107d5a857471e5d
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aa975e910b8113b71efcaf1beb1a9d4153123c5c2f160ae3f66138fd77e14d1
[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" "7aa975e910b8113b71efcaf1beb1a9d4153123c5c2f160ae3f66138fd77e14d1", kill_on_drop: false }`
[INFO] [stderr]     Checking docs_test_case v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "7aa975e910b8113b71efcaf1beb1a9d4153123c5c2f160ae3f66138fd77e14d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa975e910b8113b71efcaf1beb1a9d4153123c5c2f160ae3f66138fd77e14d1", kill_on_drop: false }`
[INFO] [stdout] 7aa975e910b8113b71efcaf1beb1a9d4153123c5c2f160ae3f66138fd77e14d1