[INFO] cloning repository https://github.com/mattalhonte/python_ml_to_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattalhonte/python_ml_to_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattalhonte%2Fpython_ml_to_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattalhonte%2Fpython_ml_to_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60781a2a4139b4a5de4f967ee8622d545ace2923
[INFO] checking mattalhonte/python_ml_to_rust against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattalhonte%2Fpython_ml_to_rust" "/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/mattalhonte/python_ml_to_rust on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattalhonte/python_ml_to_rust
[INFO] finished tweaking git repo https://github.com/mattalhonte/python_ml_to_rust
[INFO] tweaked toml for git repo https://github.com/mattalhonte/python_ml_to_rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mattalhonte/python_ml_to_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20972e94187988b1f182eb0ad3ec276bf5c74fee4fe40dd3ad94be1cc56c9783
[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" "20972e94187988b1f182eb0ad3ec276bf5c74fee4fe40dd3ad94be1cc56c9783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20972e94187988b1f182eb0ad3ec276bf5c74fee4fe40dd3ad94be1cc56c9783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20972e94187988b1f182eb0ad3ec276bf5c74fee4fe40dd3ad94be1cc56c9783", kill_on_drop: false }`
[INFO] [stdout] 20972e94187988b1f182eb0ad3ec276bf5c74fee4fe40dd3ad94be1cc56c9783
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bab20a8a0784ce6328454168dca0360e851452c7364a2e47245ee8551ed54dfc
[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" "bab20a8a0784ce6328454168dca0360e851452c7364a2e47245ee8551ed54dfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling liquid-error v0.19.0
[INFO] [stderr]    Compiling deunicode v1.0.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling multimap v0.8.0
[INFO] [stderr]     Checking half v1.4.0
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking dyn-clone v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]     Checking ndarray v0.13.0
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_core v0.5.1 (https://github.com/rust-lang-nursery/rand#63d53c09)
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling proc-quote-impl v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.2.2 (https://github.com/rust-lang-nursery/rand#63d53c09)
[INFO] [stderr]     Checking rand v0.7.3 (https://github.com/rust-lang-nursery/rand#63d53c09)
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling proc-quote v0.2.2
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking prost-types v0.6.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling tract-tensorflow v0.5.11-pre (https://github.com/snipsco/tract/#5794970e)
[INFO] [stderr]    Compiling liquid-value v0.19.1
[INFO] [stderr]    Compiling liquid-interpreter v0.19.0
[INFO] [stderr]    Compiling liquid-compiler v0.19.0
[INFO] [stderr]    Compiling liquid-derive v0.19.0
[INFO] [stderr]    Compiling liquid v0.19.0
[INFO] [stderr]    Compiling tract-linalg v0.5.11-pre (https://github.com/snipsco/tract/#5794970e)
[INFO] [stderr]     Checking tract-core v0.5.11-pre (https://github.com/snipsco/tract/#5794970e)
[INFO] [stderr]     Checking py_to_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 26s
[INFO] running `Command { std: "docker" "inspect" "bab20a8a0784ce6328454168dca0360e851452c7364a2e47245ee8551ed54dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bab20a8a0784ce6328454168dca0360e851452c7364a2e47245ee8551ed54dfc", kill_on_drop: false }`
[INFO] [stdout] bab20a8a0784ce6328454168dca0360e851452c7364a2e47245ee8551ed54dfc