[INFO] fetching crate nj-core 3.0.0...
[INFO] checking nj-core-3.0.0 against beta for pr-78714
[INFO] extracting crate nj-core 3.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nj-core 3.0.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nj-core 3.0.0
[INFO] finished tweaking crates.io crate nj-core 3.0.0
[INFO] tweaked toml for crates.io crate nj-core 3.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a327b55acf84167f6e54144eacb024c2d8191b86ac0fcc8f294cc9659dac7ee7
[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" "a327b55acf84167f6e54144eacb024c2d8191b86ac0fcc8f294cc9659dac7ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a327b55acf84167f6e54144eacb024c2d8191b86ac0fcc8f294cc9659dac7ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a327b55acf84167f6e54144eacb024c2d8191b86ac0fcc8f294cc9659dac7ee7", kill_on_drop: false }`
[INFO] [stdout] a327b55acf84167f6e54144eacb024c2d8191b86ac0fcc8f294cc9659dac7ee7
[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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1de386c30da8b3b122bf226280d5390edb681ac6245a451c619673af5537a002
[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" "1de386c30da8b3b122bf226280d5390edb681ac6245a451c619673af5537a002", kill_on_drop: false }`
[INFO] [stderr]    Compiling inventory v0.1.9
[INFO] [stderr]     Checking nj-sys v1.0.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking async-io v1.2.0
[INFO] [stderr]    Compiling ctor v0.1.16
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling inventory-impl v0.1.9
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking async-std v1.7.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking fluvio-future v0.1.8
[INFO] [stderr]     Checking nj-core v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.10s
[INFO] running `Command { std: "docker" "inspect" "1de386c30da8b3b122bf226280d5390edb681ac6245a451c619673af5537a002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de386c30da8b3b122bf226280d5390edb681ac6245a451c619673af5537a002", kill_on_drop: false }`
[INFO] [stdout] 1de386c30da8b3b122bf226280d5390edb681ac6245a451c619673af5537a002