[INFO] fetching crate nalgebra-numpy 0.3.0...
[INFO] testing nalgebra-numpy-0.3.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate nalgebra-numpy 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate nalgebra-numpy 0.3.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nalgebra-numpy 0.3.0
[INFO] finished tweaking crates.io crate nalgebra-numpy 0.3.0
[INFO] tweaked toml for crates.io crate nalgebra-numpy 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae323aace666d2392462c32d4a8a0160633d0edb20c4de739794cbf8bab0ab3c
[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" "ae323aace666d2392462c32d4a8a0160633d0edb20c4de739794cbf8bab0ab3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae323aace666d2392462c32d4a8a0160633d0edb20c4de739794cbf8bab0ab3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae323aace666d2392462c32d4a8a0160633d0edb20c4de739794cbf8bab0ab3c", kill_on_drop: false }`
[INFO] [stdout] ae323aace666d2392462c32d4a8a0160633d0edb20c4de739794cbf8bab0ab3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acf4b89dfddf0a2a176f29c3cfc9e6cc11df12974bf8094da90657f1192733d8
[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" "acf4b89dfddf0a2a176f29c3cfc9e6cc11df12974bf8094da90657f1192733d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling pyo3 v0.11.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling simba v0.3.1
[INFO] [stderr]    Compiling ndarray v0.15.3
[INFO] [stderr]    Compiling pyo3-derive-backend v0.11.1
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling pyo3cls v0.11.1
[INFO] [stderr]    Compiling indoc v0.3.6
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling nalgebra v0.24.1
[INFO] [stderr]    Compiling numpy v0.11.0
[INFO] [stderr]    Compiling nalgebra-numpy v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.68s
[INFO] running `Command { std: "docker" "inspect" "acf4b89dfddf0a2a176f29c3cfc9e6cc11df12974bf8094da90657f1192733d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf4b89dfddf0a2a176f29c3cfc9e6cc11df12974bf8094da90657f1192733d8", kill_on_drop: false }`
[INFO] [stdout] acf4b89dfddf0a2a176f29c3cfc9e6cc11df12974bf8094da90657f1192733d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+1.54.0" "test" "--frozen" "--no-run" "--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] 7eb25dc2ad91f8acfd0e989a177a6c7580bbbe0414fd21782da5c7aca0040afd
[INFO] running `Command { std: "docker" "start" "-a" "7eb25dc2ad91f8acfd0e989a177a6c7580bbbe0414fd21782da5c7aca0040afd", kill_on_drop: false }`
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling assert2-macros v0.3.6
[INFO] [stderr]    Compiling inline-python-macros v0.5.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/inline-python-macros-0.5.3/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(proc_macro_span)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inline-python-macros`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7eb25dc2ad91f8acfd0e989a177a6c7580bbbe0414fd21782da5c7aca0040afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb25dc2ad91f8acfd0e989a177a6c7580bbbe0414fd21782da5c7aca0040afd", kill_on_drop: false }`
[INFO] [stdout] 7eb25dc2ad91f8acfd0e989a177a6c7580bbbe0414fd21782da5c7aca0040afd
