[INFO] fetching crate kuznyechik 0.7.0...
[INFO] checking kuznyechik-0.7.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate kuznyechik 0.7.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate kuznyechik 0.7.0 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 kuznyechik 0.7.0
[INFO] finished tweaking crates.io crate kuznyechik 0.7.0
[INFO] tweaked toml for crates.io crate kuznyechik 0.7.0 written to /workspace/builds/worker-0/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] 31eff75641d9336c99c2977c9c0550eeb14ad5a4d110c537082a6377b046a766
[INFO] running `Command { std: "docker" "start" "-a" "31eff75641d9336c99c2977c9c0550eeb14ad5a4d110c537082a6377b046a766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31eff75641d9336c99c2977c9c0550eeb14ad5a4d110c537082a6377b046a766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31eff75641d9336c99c2977c9c0550eeb14ad5a4d110c537082a6377b046a766", kill_on_drop: false }`
[INFO] [stdout] 31eff75641d9336c99c2977c9c0550eeb14ad5a4d110c537082a6377b046a766
[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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d90de1568aeffdeb5ce223f8d55ba6299c72b3cfab94e51b58ffc1f5a33f64c
[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" "3d90de1568aeffdeb5ce223f8d55ba6299c72b3cfab94e51b58ffc1f5a33f64c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking kuznyechik v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.71s
[INFO] running `Command { std: "docker" "inspect" "3d90de1568aeffdeb5ce223f8d55ba6299c72b3cfab94e51b58ffc1f5a33f64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d90de1568aeffdeb5ce223f8d55ba6299c72b3cfab94e51b58ffc1f5a33f64c", kill_on_drop: false }`
[INFO] [stdout] 3d90de1568aeffdeb5ce223f8d55ba6299c72b3cfab94e51b58ffc1f5a33f64c