[INFO] fetching crate rubbl 0.2.2...
[INFO] crate rubbl 0.2.2 is already in cache
[INFO] crate rubbl 0.2.2 is already in cache
[INFO] crate rubbl 0.2.2 is already in cache
[INFO] crate rubbl 0.2.2 is already in cache
[INFO] crate rubbl 0.2.2 is already in cache
[INFO] crate rubbl 0.2.2 is already in cache
[INFO] crate rubbl 0.2.2 is already in cache
[INFO] crate rubbl 0.2.2 is already in cache
[INFO] crate rubbl 0.2.2 is already in cache
[INFO] crate rubbl 0.2.2 is already in cache
[INFO] crate rubbl 0.2.2 is already in cache
[INFO] crate rubbl 0.2.2 is already in cache
[INFO] crate rubbl 0.2.2 is already in cache
[INFO] crate rubbl 0.2.2 is already in cache
[INFO] checking rubbl-0.2.2 against master#7308c22c6a8d77e82187e290e1f7459870e48d12 for pr-99447
[INFO] extracting crate rubbl 0.2.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rubbl 0.2.2 on toolchain 7308c22c6a8d77e82187e290e1f7459870e48d12
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rubbl 0.2.2
[INFO] finished tweaking crates.io crate rubbl 0.2.2
[INFO] tweaked toml for crates.io crate rubbl 0.2.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate rubbl 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray v0.14.0
[INFO] [stderr]   Downloaded rubbl_core v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7f13dc4c2cdaf7554fcfd801f7a335c4ae3d2308cdd97bfac8f23f405d4df50
[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" "a7f13dc4c2cdaf7554fcfd801f7a335c4ae3d2308cdd97bfac8f23f405d4df50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7f13dc4c2cdaf7554fcfd801f7a335c4ae3d2308cdd97bfac8f23f405d4df50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f13dc4c2cdaf7554fcfd801f7a335c4ae3d2308cdd97bfac8f23f405d4df50", kill_on_drop: false }`
[INFO] [stdout] a7f13dc4c2cdaf7554fcfd801f7a335c4ae3d2308cdd97bfac8f23f405d4df50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "RUSTDOCFLAGS=--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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] ea935de0049068bf1f316b6ab35e9407a2bb4b44165f3d7a946b105e91e0559c
[INFO] running `Command { std: "docker" "start" "-a" "ea935de0049068bf1f316b6ab35e9407a2bb4b44165f3d7a946b105e91e0559c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rubbl_core v0.2.0
[INFO] [stderr]     Checking rubbl v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.25s
[INFO] running `Command { std: "docker" "inspect" "ea935de0049068bf1f316b6ab35e9407a2bb4b44165f3d7a946b105e91e0559c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea935de0049068bf1f316b6ab35e9407a2bb4b44165f3d7a946b105e91e0559c", kill_on_drop: false }`
[INFO] [stdout] ea935de0049068bf1f316b6ab35e9407a2bb4b44165f3d7a946b105e91e0559c