[INFO] fetching crate permoot 0.2.1...
[INFO] checking permoot-0.2.1 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate permoot 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate permoot 0.2.1 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 permoot 0.2.1
[INFO] finished tweaking crates.io crate permoot 0.2.1
[INFO] tweaked toml for crates.io crate permoot 0.2.1 written to /workspace/builds/worker-4-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5b14eab38761aa9a1fec013c203b57fd515a844d5358c4185de9c8df91f61c5f
[INFO] running `Command { std: "docker" "start" "-a" "5b14eab38761aa9a1fec013c203b57fd515a844d5358c4185de9c8df91f61c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b14eab38761aa9a1fec013c203b57fd515a844d5358c4185de9c8df91f61c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b14eab38761aa9a1fec013c203b57fd515a844d5358c4185de9c8df91f61c5f", kill_on_drop: false }`
[INFO] [stdout] 5b14eab38761aa9a1fec013c203b57fd515a844d5358c4185de9c8df91f61c5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7d2d35ef00d5e8d5bc9e1473b9a77cda96142defc84ebb924e237cedaa83f787
[INFO] running `Command { std: "docker" "start" "-a" "7d2d35ef00d5e8d5bc9e1473b9a77cda96142defc84ebb924e237cedaa83f787", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling permoot v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]   --> src/util.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 48 |     use rand::{Rng, SeedableRng};
[INFO] [stdout]    |         ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]   --> src/util.rs:53:18
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut seeds = vec![0; n_seeds];
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `seed_from_u64` found for struct `ChaCha8Rng` in the current scope
[INFO] [stdout]   --> src/util.rs:51:33
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut seed_rng = ChaCha8Rng::seed_from_u64(0xC418);
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^ function or associated item not found in `ChaCha8Rng`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 1  + use rand_chacha::rand_core::SeedableRng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `seed_from_u64` found for struct `ChaCha8Rng` in the current scope
[INFO] [stdout]   --> src/util.rs:57:29
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let mut rng = ChaCha8Rng::seed_from_u64(seed);
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^ function or associated item not found in `ChaCha8Rng`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 1  + use rand_chacha::rand_core::SeedableRng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `permoot` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "7d2d35ef00d5e8d5bc9e1473b9a77cda96142defc84ebb924e237cedaa83f787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d2d35ef00d5e8d5bc9e1473b9a77cda96142defc84ebb924e237cedaa83f787", kill_on_drop: false }`
[INFO] [stdout] 7d2d35ef00d5e8d5bc9e1473b9a77cda96142defc84ebb924e237cedaa83f787
