[INFO] fetching crate pkstl 0.1.0...
[INFO] checking pkstl-0.1.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate pkstl 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pkstl 0.1.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc3a624cf4a0870167a30e11af27b460e02def2ae5f35d1f08d8c6dbdc435692
[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" "fc3a624cf4a0870167a30e11af27b460e02def2ae5f35d1f08d8c6dbdc435692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc3a624cf4a0870167a30e11af27b460e02def2ae5f35d1f08d8c6dbdc435692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc3a624cf4a0870167a30e11af27b460e02def2ae5f35d1f08d8c6dbdc435692", kill_on_drop: false }`
[INFO] [stdout] fc3a624cf4a0870167a30e11af27b460e02def2ae5f35d1f08d8c6dbdc435692
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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] c261ad390ac9ed692f8793b1001c14610daa7ffa0005ba02428a7a78b6d638de
[INFO] running `Command { std: "docker" "start" "-a" "c261ad390ac9ed692f8793b1001c14610daa7ffa0005ba02428a7a78b6d638de", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking backtrace v0.3.59
[INFO] [stderr]     Checking flate2 v1.0.20
[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 16.96s
[INFO] running `Command { std: "docker" "inspect" "c261ad390ac9ed692f8793b1001c14610daa7ffa0005ba02428a7a78b6d638de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c261ad390ac9ed692f8793b1001c14610daa7ffa0005ba02428a7a78b6d638de", kill_on_drop: false }`
[INFO] [stdout] c261ad390ac9ed692f8793b1001c14610daa7ffa0005ba02428a7a78b6d638de