[INFO] fetching crate nib 0.0.7...
[INFO] checking nib-0.0.7 against beta for pr-78714
[INFO] extracting crate nib 0.0.7 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate nib 0.0.7 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 nib 0.0.7
[INFO] finished tweaking crates.io crate nib 0.0.7
[INFO] tweaked toml for crates.io crate nib 0.0.7 written to /workspace/builds/worker-12/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] b96d85b3c5a82564b8b94d35dcad0235cd4eb55c4056912965b3e76469c7f089
[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" "b96d85b3c5a82564b8b94d35dcad0235cd4eb55c4056912965b3e76469c7f089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b96d85b3c5a82564b8b94d35dcad0235cd4eb55c4056912965b3e76469c7f089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96d85b3c5a82564b8b94d35dcad0235cd4eb55c4056912965b3e76469c7f089", kill_on_drop: false }`
[INFO] [stdout] b96d85b3c5a82564b8b94d35dcad0235cd4eb55c4056912965b3e76469c7f089
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6db344edb47b16f88286d1c8a41d5d9d5750c80dc322ffcf5a2de09a1fcc4689
[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" "6db344edb47b16f88286d1c8a41d5d9d5750c80dc322ffcf5a2de09a1fcc4689", kill_on_drop: false }`
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking serde-xml-rs v0.3.1
[INFO] [stderr]     Checking fancy-regex v0.3.5
[INFO] [stderr]     Checking document_tree v0.3.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking plist v1.0.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking syntect v4.4.0
[INFO] [stderr]     Checking rst_renderer v0.3.1
[INFO] [stderr]     Checking rst_parser v0.3.2
[INFO] [stderr]     Checking handlebars v3.5.1
[INFO] [stderr]     Checking nib v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.78s
[INFO] running `Command { std: "docker" "inspect" "6db344edb47b16f88286d1c8a41d5d9d5750c80dc322ffcf5a2de09a1fcc4689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6db344edb47b16f88286d1c8a41d5d9d5750c80dc322ffcf5a2de09a1fcc4689", kill_on_drop: false }`
[INFO] [stdout] 6db344edb47b16f88286d1c8a41d5d9d5750c80dc322ffcf5a2de09a1fcc4689