[INFO] updating cached repository https://github.com/buttercup/crypto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58f4e97841148a4a373372e2db060acc83c1c28f
[INFO] checking buttercup/crypto against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuttercup%2Fcrypto" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/buttercup/crypto on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/buttercup/crypto
[INFO] finished tweaking git repo https://github.com/buttercup/crypto
[INFO] tweaked toml for git repo https://github.com/buttercup/crypto written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/buttercup/crypto already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f342dc70f738566db13c04ac2541d50c3d9179198978ef75cdd28b9a4c162497
[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" "f342dc70f738566db13c04ac2541d50c3d9179198978ef75cdd28b9a4c162497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f342dc70f738566db13c04ac2541d50c3d9179198978ef75cdd28b9a4c162497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f342dc70f738566db13c04ac2541d50c3d9179198978ef75cdd28b9a4c162497", kill_on_drop: false }`
[INFO] [stdout] f342dc70f738566db13c04ac2541d50c3d9179198978ef75cdd28b9a4c162497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c68cd99a800c0ffb366bb6f63ea32e5f27243ab21ac57701baaf8e3181b2fd41
[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" "c68cd99a800c0ffb366bb6f63ea32e5f27243ab21ac57701baaf8e3181b2fd41", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]     Checking opaque-debug v0.1.1
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking block-padding v0.1.0
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking rand v0.5.1
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking block-cipher-trait v0.5.0
[INFO] [stderr]     Checking crypto-mac v0.6.0
[INFO] [stderr]     Checking digest v0.7.2
[INFO] [stderr]     Checking aes-soft v0.1.0
[INFO] [stderr]     Checking block-modes v0.1.0
[INFO] [stderr]     Checking pbkdf2 v0.2.0
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking hmac v0.6.2
[INFO] [stderr]     Checking buttercup-crypto v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.39s
[INFO] running `Command { std: "docker" "inspect" "c68cd99a800c0ffb366bb6f63ea32e5f27243ab21ac57701baaf8e3181b2fd41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c68cd99a800c0ffb366bb6f63ea32e5f27243ab21ac57701baaf8e3181b2fd41", kill_on_drop: false }`
[INFO] [stdout] c68cd99a800c0ffb366bb6f63ea32e5f27243ab21ac57701baaf8e3181b2fd41