[INFO] fetching crate pkstl 0.1.0...
[INFO] checking pkstl-0.1.0 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate pkstl 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate pkstl 0.1.0 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pkstl 0.1.0
[INFO] finished tweaking crates.io crate pkstl 0.1.0
[INFO] tweaked toml for crates.io crate pkstl 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "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] a979e2e947fff39a695dba0ca30b1a18b23aeafd4dcae79c5735d48d9001f271
[INFO] running `Command { std: "docker" "start" "-a" "a979e2e947fff39a695dba0ca30b1a18b23aeafd4dcae79c5735d48d9001f271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a979e2e947fff39a695dba0ca30b1a18b23aeafd4dcae79c5735d48d9001f271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a979e2e947fff39a695dba0ca30b1a18b23aeafd4dcae79c5735d48d9001f271", kill_on_drop: false }`
[INFO] [stdout] a979e2e947fff39a695dba0ca30b1a18b23aeafd4dcae79c5735d48d9001f271
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2042fd3c73592ecc2b808549848acb1d7dc9aa9c1fd9d9d2a2d17ddc73f3fae
[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" "b2042fd3c73592ecc2b808549848acb1d7dc9aa9c1fd9d9d2a2d17ddc73f3fae", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pkstl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `B32`
[INFO] [stdout]   --> src/agreement.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     B32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `B64`
[INFO] [stdout]   --> src/agreement.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     B64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `B32`
[INFO] [stdout]   --> src/agreement.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     B32,
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.60s
[INFO] running `Command { std: "docker" "inspect" "b2042fd3c73592ecc2b808549848acb1d7dc9aa9c1fd9d9d2a2d17ddc73f3fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2042fd3c73592ecc2b808549848acb1d7dc9aa9c1fd9d9d2a2d17ddc73f3fae", kill_on_drop: false }`
[INFO] [stdout] b2042fd3c73592ecc2b808549848acb1d7dc9aa9c1fd9d9d2a2d17ddc73f3fae