[INFO] cloning repository https://github.com/mobilecoinofficial/mobilecoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mobilecoinofficial/mobilecoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobilecoinofficial%2Fmobilecoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobilecoinofficial%2Fmobilecoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7e3de17794de6c2ec89c1981ed72c602a890a2e
[INFO] checking mobilecoinofficial/mobilecoin against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobilecoinofficial%2Fmobilecoin" "/workspace/builds/worker-69/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mobilecoinofficial/mobilecoin on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-69/source/.cargo/config
[INFO] removed /workspace/builds/worker-69/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/mobilecoinofficial/mobilecoin
[INFO] finished tweaking git repo https://github.com/mobilecoinofficial/mobilecoin
[INFO] tweaked toml for git repo https://github.com/mobilecoinofficial/mobilecoin written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate git repo https://github.com/mobilecoinofficial/mobilecoin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bigint v4.4.3
[INFO] [stderr]   Downloaded aes v0.7.4
[INFO] [stderr]   Downloaded packed_simd_2 v0.3.4
[INFO] [stderr]   Downloaded clear_on_drop v0.2.4
[INFO] [stderr]   Downloaded displaydoc v0.2.3
[INFO] [stderr]   Downloaded cargo_metadata v0.9.1
[INFO] [stderr]   Downloaded async-compression v0.3.3
[INFO] [stderr]   Downloaded x509-signature v0.5.0
[INFO] [stderr]   Downloaded protoc v2.14.0
[INFO] [stderr]   Downloaded polyval v0.5.1
[INFO] [stderr]   Downloaded rs-libc v0.2.2
[INFO] [stderr]   Downloaded sha2-asm v0.6.1
[INFO] [stderr]   Downloaded protobuf-codegen v2.22.1
[INFO] [stderr]   Downloaded yasna v0.2.2
[INFO] [stderr]   Downloaded pin-project-internal v0.4.10
[INFO] [stderr]   Downloaded pin-project v0.4.10
[INFO] [stderr]   Downloaded serial_test_derive v0.5.0
[INFO] [stderr]   Downloaded ghash v0.4.2
[INFO] [stderr]   Downloaded cargo-emit v0.1.1
[INFO] [stderr]   Downloaded aes-gcm v0.9.2
[INFO] [stderr]   Downloaded serial_test v0.5.0
[INFO] [stderr]   Downloaded aead v0.4.1
[INFO] [stderr]   Downloaded hmac-sha512 v0.1.9
[INFO] [stderr]   Downloaded curve25519-dalek v4.0.0-pre.0
[INFO] [stderr]   Downloaded plotters v0.2.14
[INFO] [stderr]   Downloaded core_io v0.1.20210325
[INFO] [stderr]   Downloaded secrecy v0.4.1
[INFO] [stderr]   Downloaded slip10_ed25519 v0.1.3
[INFO] [stderr]   Downloaded rjson v0.3.1
[INFO] [stderr]   Downloaded slog-atomic v3.0.0
[INFO] [stderr]   Downloaded slog-gelf v0.1.2
[INFO] [stderr]   Downloaded mc-oblivious-aes-gcm v0.9.2
[INFO] [stderr]   Downloaded sentry v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb5087b423be00e52c81112acd46f8fdd818083de939197a07e5a67c914df296
[INFO] running `Command { std: "docker" "start" "-a" "cb5087b423be00e52c81112acd46f8fdd818083de939197a07e5a67c914df296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb5087b423be00e52c81112acd46f8fdd818083de939197a07e5a67c914df296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb5087b423be00e52c81112acd46f8fdd818083de939197a07e5a67c914df296", kill_on_drop: false }`
[INFO] [stdout] cb5087b423be00e52c81112acd46f8fdd818083de939197a07e5a67c914df296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a48f2c9b648433cae7e980510bc48c7bbcc530475ed6071ff0c5853c7a1da97
[INFO] running `Command { std: "docker" "start" "-a" "5a48f2c9b648433cae7e980510bc48c7bbcc530475ed6071ff0c5853c7a1da97", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: failed to create jobserver
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to increase jobserver pipe capacity from 4096 to 8192; jobserver otherwise might deadlock
[INFO] running `Command { std: "docker" "inspect" "5a48f2c9b648433cae7e980510bc48c7bbcc530475ed6071ff0c5853c7a1da97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a48f2c9b648433cae7e980510bc48c7bbcc530475ed6071ff0c5853c7a1da97", kill_on_drop: false }`
[INFO] [stdout] 5a48f2c9b648433cae7e980510bc48c7bbcc530475ed6071ff0c5853c7a1da97