[INFO] fetching crate starwars-names 0.1.0...
[INFO] checking starwars-names-0.1.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate starwars-names 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate starwars-names 0.1.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate starwars-names 0.1.0
[INFO] finished tweaking crates.io crate starwars-names 0.1.0
[INFO] tweaked toml for crates.io crate starwars-names 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded num-integer v0.1.44
[INFO] [stderr]   Downloaded num-iter v0.1.42
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded num-traits v0.2.14
[INFO] [stderr]   Downloaded spectral v0.6.0
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1574f2a8d3902a5a8b463cbf0fc045c170589da87251d92a7787cb096b224c5c
[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" "1574f2a8d3902a5a8b463cbf0fc045c170589da87251d92a7787cb096b224c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1574f2a8d3902a5a8b463cbf0fc045c170589da87251d92a7787cb096b224c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1574f2a8d3902a5a8b463cbf0fc045c170589da87251d92a7787cb096b224c5c", kill_on_drop: false }`
[INFO] [stdout] 1574f2a8d3902a5a8b463cbf0fc045c170589da87251d92a7787cb096b224c5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84e581a82256ddb2b3fe6961aae58c2c75291a2e807d7731895277439daca9da
[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" "84e581a82256ddb2b3fe6961aae58c2c75291a2e807d7731895277439daca9da", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]     Checking starwars-names v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `spectral::prelude::*`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use spectral::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]  --> src/lib.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::{thread_rng, sample};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     sample(&mut rng, all_names, n)
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]  --> src/lib.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::{thread_rng, sample};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     sample(&mut rng, all_names, n)
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "84e581a82256ddb2b3fe6961aae58c2c75291a2e807d7731895277439daca9da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84e581a82256ddb2b3fe6961aae58c2c75291a2e807d7731895277439daca9da", kill_on_drop: false }`
[INFO] [stdout] 84e581a82256ddb2b3fe6961aae58c2c75291a2e807d7731895277439daca9da