[INFO] cloning repository https://github.com/brecert/a2048
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brecert/a2048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrecert%2Fa2048", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrecert%2Fa2048'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7cee45520f96bc5e85532e1c0e5f63bbfb4ccd2
[INFO] documenting brecert/a2048 against master#d7d9f15be205b45d44700e7ac33b4f79b91f9680 for pr-117450
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrecert%2Fa2048" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brecert/a2048 on toolchain d7d9f15be205b45d44700e7ac33b4f79b91f9680
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brecert/a2048
[INFO] finished tweaking git repo https://github.com/brecert/a2048
[INFO] tweaked toml for git repo https://github.com/brecert/a2048 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/brecert/a2048 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/brecert/grid`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 788cd5b5d314067099695cca1dd7556f5b3dbec0d7cf9b91ff0db427312cb310
[INFO] running `Command { std: "docker" "start" "-a" "788cd5b5d314067099695cca1dd7556f5b3dbec0d7cf9b91ff0db427312cb310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "788cd5b5d314067099695cca1dd7556f5b3dbec0d7cf9b91ff0db427312cb310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "788cd5b5d314067099695cca1dd7556f5b3dbec0d7cf9b91ff0db427312cb310", kill_on_drop: false }`
[INFO] [stdout] 788cd5b5d314067099695cca1dd7556f5b3dbec0d7cf9b91ff0db427312cb310
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c634665f4e504f16a2d4689a7cf15dd50147dab3c26c303aa3ad15edb025005
[INFO] running `Command { std: "docker" "start" "-a" "3c634665f4e504f16a2d4689a7cf15dd50147dab3c26c303aa3ad15edb025005", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling argh_shared v0.1.6
[INFO] [stderr]     Checking no-std-compat v0.4.1
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking grid v0.5.1-alpha.0 (https://github.com/brecert/grid#4b840059)
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking crossterm v0.22.1
[INFO] [stderr]    Compiling argh_derive v0.1.6
[INFO] [stderr]     Checking argh v0.1.6
[INFO] [stderr]  Documenting a2048 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.99s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/a2048/index.html
[INFO] running `Command { std: "docker" "inspect" "3c634665f4e504f16a2d4689a7cf15dd50147dab3c26c303aa3ad15edb025005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c634665f4e504f16a2d4689a7cf15dd50147dab3c26c303aa3ad15edb025005", kill_on_drop: false }`
[INFO] [stdout] 3c634665f4e504f16a2d4689a7cf15dd50147dab3c26c303aa3ad15edb025005
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7e3344f7753e069214cbedfddb0e204c8bbed04ed528e3a1901e368cede99f8
[INFO] running `Command { std: "docker" "start" "-a" "f7e3344f7753e069214cbedfddb0e204c8bbed04ed528e3a1901e368cede99f8", kill_on_drop: false }`
[INFO] [stderr]  Documenting a2048 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/a2048/index.html
[INFO] running `Command { std: "docker" "inspect" "f7e3344f7753e069214cbedfddb0e204c8bbed04ed528e3a1901e368cede99f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e3344f7753e069214cbedfddb0e204c8bbed04ed528e3a1901e368cede99f8", kill_on_drop: false }`
[INFO] [stdout] f7e3344f7753e069214cbedfddb0e204c8bbed04ed528e3a1901e368cede99f8