[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 try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattalhonte%2Fpython_ml_to_rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattalhonte/python_ml_to_rust on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang-nursery/rand`
[INFO] [stderr]     Updating git repository `https://github.com/snipsco/tract/`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deunicode v1.0.0
[INFO] [stderr]   Downloaded multimap v0.8.0
[INFO] [stderr]   Downloaded backtrace v0.3.43
[INFO] [stderr]   Downloaded proc-quote-impl v0.2.2
[INFO] [stderr]   Downloaded unsafe_unwrap v0.1.0
[INFO] [stderr]   Downloaded dyn-clone v1.0.1
[INFO] [stderr]   Downloaded proc-quote v0.2.2
[INFO] [stderr]   Downloaded liquid v0.19.0
[INFO] [stderr]   Downloaded liquid-derive v0.19.0
[INFO] [stderr]   Downloaded liquid-value v0.19.1
[INFO] [stderr]   Downloaded liquid-error v0.19.0
[INFO] [stderr]   Downloaded liquid-interpreter v0.19.0
[INFO] [stderr]   Downloaded liquid-compiler v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52a267c58bb547c4ca01322fbfa1bc8cad1585a20df56c3cba495ccfd6c4c0b8
[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" "52a267c58bb547c4ca01322fbfa1bc8cad1585a20df56c3cba495ccfd6c4c0b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52a267c58bb547c4ca01322fbfa1bc8cad1585a20df56c3cba495ccfd6c4c0b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a267c58bb547c4ca01322fbfa1bc8cad1585a20df56c3cba495ccfd6c4c0b8", kill_on_drop: false }`
[INFO] [stdout] 52a267c58bb547c4ca01322fbfa1bc8cad1585a20df56c3cba495ccfd6c4c0b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e51478c3c7f547c0b94e3723fd5422d5c76cd52ddcd59a6d339e5bb4df95ac9f
[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" "e51478c3c7f547c0b94e3723fd5422d5c76cd52ddcd59a6d339e5bb4df95ac9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling liquid-error v0.19.0
[INFO] [stderr]    Compiling deunicode v1.0.0
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking half v1.4.0
[INFO] [stderr]     Checking dyn-clone v1.0.1
[INFO] [stderr]     Checking unsafe_unwrap v0.1.0
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]     Checking rand_core v0.5.1 (https://github.com/rust-lang-nursery/rand#63d53c09)
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]     Checking ndarray v0.13.0
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2 (https://github.com/rust-lang-nursery/rand#63d53c09)
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3 (https://github.com/rust-lang-nursery/rand#63d53c09)
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling proc-quote-impl v0.2.2
[INFO] [stderr]    Compiling proc-quote v0.2.2
[INFO] [stderr]    Compiling prost v0.6.1
[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 1m 41s
[INFO] running `Command { std: "docker" "inspect" "e51478c3c7f547c0b94e3723fd5422d5c76cd52ddcd59a6d339e5bb4df95ac9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e51478c3c7f547c0b94e3723fd5422d5c76cd52ddcd59a6d339e5bb4df95ac9f", kill_on_drop: false }`
[INFO] [stdout] e51478c3c7f547c0b94e3723fd5422d5c76cd52ddcd59a6d339e5bb4df95ac9f