[INFO] fetching crate pqcrypto-rainbow 0.1.3...
[INFO] checking pqcrypto-rainbow-0.1.3 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate pqcrypto-rainbow 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate pqcrypto-rainbow 0.1.3 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pqcrypto-rainbow 0.1.3
[INFO] finished tweaking crates.io crate pqcrypto-rainbow 0.1.3
[INFO] tweaked toml for crates.io crate pqcrypto-rainbow 0.1.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 960117fbcdd4bba8b87100c5a26373717c860afd527ea8f82a300fc366644ee5
[INFO] running `Command { std: "docker" "start" "-a" "960117fbcdd4bba8b87100c5a26373717c860afd527ea8f82a300fc366644ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "960117fbcdd4bba8b87100c5a26373717c860afd527ea8f82a300fc366644ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "960117fbcdd4bba8b87100c5a26373717c860afd527ea8f82a300fc366644ee5", kill_on_drop: false }`
[INFO] [stdout] 960117fbcdd4bba8b87100c5a26373717c860afd527ea8f82a300fc366644ee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6ed3bc6205c34e38fd5f5f62e7c34ffbe1b55f965ffa113288d665d8c07dbcc8
[INFO] running `Command { std: "docker" "start" "-a" "6ed3bc6205c34e38fd5f5f62e7c34ffbe1b55f965ffa113288d665d8c07dbcc8", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling pqcrypto-rainbow v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stdout] warning: unused variable: `avx2_enabled`
[INFO] [stdout]   --> build.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let avx2_enabled = env::var("CARGO_FEATURE_AVX2").is_ok();
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_avx2_enabled`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_arch`
[INFO] [stdout]   --> build.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let target_arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_windows`
[INFO] [stdout]   --> build.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let is_windows = target_os == "windows";
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_windows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_macos`
[INFO] [stdout]   --> build.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let is_macos = target_os == "macos";
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_macos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.76s
[INFO] running `Command { std: "docker" "inspect" "6ed3bc6205c34e38fd5f5f62e7c34ffbe1b55f965ffa113288d665d8c07dbcc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ed3bc6205c34e38fd5f5f62e7c34ffbe1b55f965ffa113288d665d8c07dbcc8", kill_on_drop: false }`
[INFO] [stdout] 6ed3bc6205c34e38fd5f5f62e7c34ffbe1b55f965ffa113288d665d8c07dbcc8