[INFO] cloning repository https://github.com/pattonw/rust-pyn5
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pattonw/rust-pyn5" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpattonw%2Frust-pyn5", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpattonw%2Frust-pyn5'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 429e4260ae3c75241d5c2204e37cde7e71cfd75f
[INFO] checking pattonw/rust-pyn5 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpattonw%2Frust-pyn5" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pattonw/rust-pyn5 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/pattonw/rust-pyn5
[INFO] finished tweaking git repo https://github.com/pattonw/rust-pyn5
[INFO] tweaked toml for git repo https://github.com/pattonw/rust-pyn5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/pattonw/rust-pyn5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-traits v0.2.9
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.8.2
[INFO] [stderr]   Downloaded itertools v0.8.1
[INFO] [stderr]   Downloaded numpy v0.7.0
[INFO] [stderr]   Downloaded pyo3 v0.8.2
[INFO] [stderr]   Downloaded pyo3cls v0.8.2
[INFO] [stderr]   Downloaded n5 v0.7.0
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be4b126049456bff4f3bbc190e371837217d2ea97e85078ff54cb6961d399cf9
[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" "be4b126049456bff4f3bbc190e371837217d2ea97e85078ff54cb6961d399cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be4b126049456bff4f3bbc190e371837217d2ea97e85078ff54cb6961d399cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be4b126049456bff4f3bbc190e371837217d2ea97e85078ff54cb6961d399cf9", kill_on_drop: false }`
[INFO] [stdout] be4b126049456bff4f3bbc190e371837217d2ea97e85078ff54cb6961d399cf9
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69bf7808751277e286b78fa68972c28dfaa25602aaae77a4ef528454d94954c1
[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" "69bf7808751277e286b78fa68972c28dfaa25602aaae77a4ef528454d94954c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling pyo3-derive-backend v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling ctor v0.1.12
[INFO] [stderr]    Compiling inventory-impl v0.1.4
[INFO] [stderr]    Compiling pyo3cls v0.8.2
[INFO] [stderr]     Checking inventory v0.1.4
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]     Checking indoc v0.3.4
[INFO] [stderr]     Checking paste v0.1.6
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking n5 v0.7.0
[INFO] [stderr]    Compiling pyo3 v0.8.2
[INFO] [stderr]     Checking numpy v0.7.0
[INFO] [stderr]     Checking pyn5 v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "69bf7808751277e286b78fa68972c28dfaa25602aaae77a4ef528454d94954c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69bf7808751277e286b78fa68972c28dfaa25602aaae77a4ef528454d94954c1", kill_on_drop: false }`
[INFO] [stdout] 69bf7808751277e286b78fa68972c28dfaa25602aaae77a4ef528454d94954c1