[INFO] cloning repository https://github.com/iberiaz9/flitton-fib-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iberiaz9/flitton-fib-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiberiaz9%2Fflitton-fib-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiberiaz9%2Fflitton-fib-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd3a7e3fc8a9cb02e8070d918d93d9c6f1bb2b8e
[INFO] checking iberiaz9/flitton-fib-rs against master#c1feb3eceef7d5f0126c309a87062cf413fe0a25 for pr-121053
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiberiaz9%2Fflitton-fib-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iberiaz9/flitton-fib-rs on toolchain c1feb3eceef7d5f0126c309a87062cf413fe0a25
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/iberiaz9/flitton-fib-rs
[INFO] finished tweaking git repo https://github.com/iberiaz9/flitton-fib-rs
[INFO] tweaked toml for git repo https://github.com/iberiaz9/flitton-fib-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/iberiaz9/flitton-fib-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking iberiaz9/flitton-fib-rs against try#0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5 for pr-121053
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiberiaz9%2Fflitton-fib-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iberiaz9/flitton-fib-rs on toolchain 0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/iberiaz9/flitton-fib-rs
[INFO] finished tweaking git repo https://github.com/iberiaz9/flitton-fib-rs
[INFO] tweaked toml for git repo https://github.com/iberiaz9/flitton-fib-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/iberiaz9/flitton-fib-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking iberiaz9/flitton-fib-rs against try#0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5 for pr-121053
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiberiaz9%2Fflitton-fib-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iberiaz9/flitton-fib-rs on toolchain 0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/iberiaz9/flitton-fib-rs
[INFO] finished tweaking git repo https://github.com/iberiaz9/flitton-fib-rs
[INFO] tweaked toml for git repo https://github.com/iberiaz9/flitton-fib-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/iberiaz9/flitton-fib-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paste v0.1.18
[INFO] [stderr]   Downloaded proc-macro2 v1.0.28
[INFO] [stderr]   Downloaded pyo3-macros v0.13.2
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.19
[INFO] [stderr]   Downloaded indoc-impl v0.3.6
[INFO] [stderr]   Downloaded inventory-impl v0.1.10
[INFO] [stderr]   Downloaded unindent v0.1.7
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.13.2
[INFO] [stderr]   Downloaded ctor v0.1.20
[INFO] [stderr]   Downloaded redox_syscall v0.2.9
[INFO] [stderr]   Downloaded ghost v0.1.2
[INFO] [stderr]   Downloaded indoc v0.3.6
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] [stderr]   Downloaded lock_api v0.4.4
[INFO] [stderr]   Downloaded pyo3 v0.13.2
[INFO] [stderr]   Downloaded smallvec v1.6.1
[INFO] [stderr]   Downloaded libc v0.2.98
[INFO] [stderr]   Downloaded parking_lot_core v0.8.3
[INFO] [stderr]   Downloaded parking_lot v0.11.1
[INFO] [stderr]   Downloaded inventory v0.1.10
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded paste-impl v0.1.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff7589dc5b2ad4680ce695779fb51b6d476e8bb1d138f0e85268cd7889795c5f
[INFO] running `Command { std: "docker" "start" "-a" "ff7589dc5b2ad4680ce695779fb51b6d476e8bb1d138f0e85268cd7889795c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff7589dc5b2ad4680ce695779fb51b6d476e8bb1d138f0e85268cd7889795c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff7589dc5b2ad4680ce695779fb51b6d476e8bb1d138f0e85268cd7889795c5f", kill_on_drop: false }`
[INFO] [stdout] ff7589dc5b2ad4680ce695779fb51b6d476e8bb1d138f0e85268cd7889795c5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1172fb77b2753e5110cb5dae24df1e88cc0a648258e76a1035913a7d4a684e63
[INFO] running `Command { std: "docker" "start" "-a" "1172fb77b2753e5110cb5dae24df1e88cc0a648258e76a1035913a7d4a684e63", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling pyo3 v0.13.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling pyo3-macros-backend v0.13.2
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling pyo3-macros v0.13.2
[INFO] [stderr]     Checking flitton_fib_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     m.add_wrapped(wrap_pyfunction!(say_hello));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let _ = m.add_wrapped(wrap_pyfunction!(say_hello));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     m.add_wrapped(wrap_pyfunction!(fibonacci_number));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let _ = m.add_wrapped(wrap_pyfunction!(fibonacci_number));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     m.add_wrapped(wrap_pyfunction!(fibonacci_numbers));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let _ = m.add_wrapped(wrap_pyfunction!(fibonacci_numbers));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     m.add_wrapped(wrap_pyfunction!(say_hello));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let _ = m.add_wrapped(wrap_pyfunction!(say_hello));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     m.add_wrapped(wrap_pyfunction!(fibonacci_number));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let _ = m.add_wrapped(wrap_pyfunction!(fibonacci_number));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     m.add_wrapped(wrap_pyfunction!(fibonacci_numbers));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let _ = m.add_wrapped(wrap_pyfunction!(fibonacci_numbers));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pyo3 v0.13.2, pyo3-macros-backend v0.13.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "1172fb77b2753e5110cb5dae24df1e88cc0a648258e76a1035913a7d4a684e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1172fb77b2753e5110cb5dae24df1e88cc0a648258e76a1035913a7d4a684e63", kill_on_drop: false }`
[INFO] [stdout] 1172fb77b2753e5110cb5dae24df1e88cc0a648258e76a1035913a7d4a684e63