[INFO] fetching crate sancov 0.1.0...
[INFO] building sancov-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate sancov 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate sancov 0.1.0
[INFO] finished tweaking crates.io crate sancov 0.1.0
[INFO] tweaked toml for crates.io crate sancov 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sancov 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1dc8665df55a96e871abda46b4cfa6267f3d65738e2a981d30a0ee0e6a178c8
[INFO] running `Command { std: "docker" "start" "-a" "e1dc8665df55a96e871abda46b4cfa6267f3d65738e2a981d30a0ee0e6a178c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1dc8665df55a96e871abda46b4cfa6267f3d65738e2a981d30a0ee0e6a178c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1dc8665df55a96e871abda46b4cfa6267f3d65738e2a981d30a0ee0e6a178c8", kill_on_drop: false }`
[INFO] [stdout] e1dc8665df55a96e871abda46b4cfa6267f3d65738e2a981d30a0ee0e6a178c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b640f168af519b8b0f12bc20bebbd2be282b0b97fc810c4f58c1c5cf611dcc3
[INFO] running `Command { std: "docker" "start" "-a" "8b640f168af519b8b0f12bc20bebbd2be282b0b97fc810c4f58c1c5cf611dcc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling sancov-sys v0.1.0
[INFO] [stderr]    Compiling sancov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "8b640f168af519b8b0f12bc20bebbd2be282b0b97fc810c4f58c1c5cf611dcc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b640f168af519b8b0f12bc20bebbd2be282b0b97fc810c4f58c1c5cf611dcc3", kill_on_drop: false }`
[INFO] [stdout] 8b640f168af519b8b0f12bc20bebbd2be282b0b97fc810c4f58c1c5cf611dcc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63b268bc5bb1a05c69b9d977e4bd6d9209a291fea484c9f166b4b76aeb453190
[INFO] running `Command { std: "docker" "start" "-a" "63b268bc5bb1a05c69b9d977e4bd6d9209a291fea484c9f166b4b76aeb453190", kill_on_drop: false }`
[INFO] [stderr]    Compiling sancov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: missing documentation for a function
[INFO] [stdout]    --> src/lib.rs:222:1
[INFO] [stdout]     |
[INFO] [stdout] 222 | pub fn __sanitizer_cov_8bit_counters_init(_: *const u8, _: *const u8) {}
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:3:9
[INFO] [stdout]     |
[INFO] [stdout]   3 | #![deny(missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sancov` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "63b268bc5bb1a05c69b9d977e4bd6d9209a291fea484c9f166b4b76aeb453190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b268bc5bb1a05c69b9d977e4bd6d9209a291fea484c9f166b4b76aeb453190", kill_on_drop: false }`
[INFO] [stdout] 63b268bc5bb1a05c69b9d977e4bd6d9209a291fea484c9f166b4b76aeb453190