[INFO] fetching crate compressed-sparse-fiber 0.0.6...
[INFO] checking compressed-sparse-fiber-0.0.6 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate compressed-sparse-fiber 0.0.6 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate compressed-sparse-fiber 0.0.6 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate compressed-sparse-fiber 0.0.6
[INFO] finished tweaking crates.io crate compressed-sparse-fiber 0.0.6
[INFO] tweaked toml for crates.io crate compressed-sparse-fiber 0.0.6 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sequence_trie v0.3.6
[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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b73e915a868ae9da0faccd37ef58322383c87d62a72a9ea93fb3db1f4a499115
[INFO] running `Command { std: "docker" "start" "-a" "b73e915a868ae9da0faccd37ef58322383c87d62a72a9ea93fb3db1f4a499115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b73e915a868ae9da0faccd37ef58322383c87d62a72a9ea93fb3db1f4a499115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b73e915a868ae9da0faccd37ef58322383c87d62a72a9ea93fb3db1f4a499115", kill_on_drop: false }`
[INFO] [stdout] b73e915a868ae9da0faccd37ef58322383c87d62a72a9ea93fb3db1f4a499115
[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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c750a68100e106b8e9a1def34542636debf5fc6a70a825814f37e5f6746fcb28
[INFO] running `Command { std: "docker" "start" "-a" "c750a68100e106b8e9a1def34542636debf5fc6a70a825814f37e5f6746fcb28", kill_on_drop: false }`
[INFO] [stderr]     Checking sequence_trie v0.3.6
[INFO] [stderr]     Checking compressed-sparse-fiber v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `Rows` is never used
[INFO] [stdout]  --> src/lib.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Rows<T, U> = Vec<Row<T, U>>;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rand`
[INFO] [stdout]  --> benches/benches.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate rand;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compressed-sparse-fiber` (bench "benches") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c750a68100e106b8e9a1def34542636debf5fc6a70a825814f37e5f6746fcb28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c750a68100e106b8e9a1def34542636debf5fc6a70a825814f37e5f6746fcb28", kill_on_drop: false }`
[INFO] [stdout] c750a68100e106b8e9a1def34542636debf5fc6a70a825814f37e5f6746fcb28
