[INFO] fetching crate arcrs 0.1.1-alpha.7...
[INFO] checking arcrs-0.1.1-alpha.7 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate arcrs 0.1.1-alpha.7 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate arcrs 0.1.1-alpha.7 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arcrs 0.1.1-alpha.7
[INFO] finished tweaking crates.io crate arcrs 0.1.1-alpha.7
[INFO] tweaked toml for crates.io crate arcrs 0.1.1-alpha.7 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding ctor v0.1.26 (latest: v0.2.7)
[INFO] [stderr]       Adding indoc v0.3.6 (latest: v2.0.5)
[INFO] [stderr]       Adding indoc-impl v0.3.6 (latest: v0.3.7)
[INFO] [stderr]       Adding inventory v0.1.11 (latest: v0.3.15)
[INFO] [stderr]       Adding parking_lot v0.11.2 (latest: v0.12.1)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (latest: v0.9.9)
[INFO] [stderr]       Adding paste v0.1.18 (latest: v1.0.14)
[INFO] [stderr]       Adding pyo3 v0.12.4 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-derive-backend v0.12.4 (latest: v0.12.5)
[INFO] [stderr]       Adding pyo3cls v0.12.4 (latest: v0.12.5)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (latest: v0.5.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding unindent v0.1.11 (latest: v0.2.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indoc v0.3.6
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.12.4
[INFO] [stderr]   Downloaded pyo3cls v0.12.4
[INFO] [stderr]   Downloaded indoc-impl v0.3.6
[INFO] [stderr]   Downloaded pyo3 v0.12.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92e286abde8915287289040cc2997f81762d269c1240f50616d431cbde2c1ef2
[INFO] running `Command { std: "docker" "start" "-a" "92e286abde8915287289040cc2997f81762d269c1240f50616d431cbde2c1ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92e286abde8915287289040cc2997f81762d269c1240f50616d431cbde2c1ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92e286abde8915287289040cc2997f81762d269c1240f50616d431cbde2c1ef2", kill_on_drop: false }`
[INFO] [stdout] 92e286abde8915287289040cc2997f81762d269c1240f50616d431cbde2c1ef2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86ee09417622cd4b05d8512138934e998ac1e62647e51b996bb16c348e3d1b0c
[INFO] running `Command { std: "docker" "start" "-a" "86ee09417622cd4b05d8512138934e998ac1e62647e51b996bb16c348e3d1b0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling pyo3 v0.12.4
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling ghost v0.1.17
[INFO] [stderr]    Compiling pyo3-derive-backend v0.12.4
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling pyo3cls v0.12.4
[INFO] [stderr]     Checking arcrs v0.1.1-alpha.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `create_features_input_parameter` is never used
[INFO] [stdout]    --> src/gp.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn create_features_input_parameter(py: Python) -> PyResult<PyObject> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_features_output_parameter` is never used
[INFO] [stdout]    --> src/gp.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn create_features_output_parameter(py: Python) -> PyResult<PyObject> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_features_input_parameter` is never used
[INFO] [stdout]    --> src/gp.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn create_features_input_parameter(py: Python) -> PyResult<PyObject> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_features_output_parameter` is never used
[INFO] [stdout]    --> src/gp.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn create_features_output_parameter(py: Python) -> PyResult<PyObject> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.98s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pyo3 v0.12.4, pyo3-derive-backend v0.12.4
[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" "86ee09417622cd4b05d8512138934e998ac1e62647e51b996bb16c348e3d1b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86ee09417622cd4b05d8512138934e998ac1e62647e51b996bb16c348e3d1b0c", kill_on_drop: false }`
[INFO] [stdout] 86ee09417622cd4b05d8512138934e998ac1e62647e51b996bb16c348e3d1b0c
[INFO] checking arcrs-0.1.1-alpha.7 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate arcrs 0.1.1-alpha.7 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate arcrs 0.1.1-alpha.7 on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arcrs 0.1.1-alpha.7
[INFO] finished tweaking crates.io crate arcrs 0.1.1-alpha.7
[INFO] tweaked toml for crates.io crate arcrs 0.1.1-alpha.7 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding ctor v0.1.26 (latest: v0.2.7)
[INFO] [stderr]       Adding indoc v0.3.6 (latest: v2.0.5)
[INFO] [stderr]       Adding indoc-impl v0.3.6 (latest: v0.3.7)
[INFO] [stderr]       Adding inventory v0.1.11 (latest: v0.3.15)
[INFO] [stderr]       Adding parking_lot v0.11.2 (latest: v0.12.1)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (latest: v0.9.9)
[INFO] [stderr]       Adding paste v0.1.18 (latest: v1.0.14)
[INFO] [stderr]       Adding pyo3 v0.12.4 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-derive-backend v0.12.4 (latest: v0.12.5)
[INFO] [stderr]       Adding pyo3cls v0.12.4 (latest: v0.12.5)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (latest: v0.5.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding unindent v0.1.11 (latest: v0.2.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1333221fb32209efa967f370bbb2d32463208a74707f2a3dde626b7c8b282e3a
[INFO] running `Command { std: "docker" "start" "-a" "1333221fb32209efa967f370bbb2d32463208a74707f2a3dde626b7c8b282e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1333221fb32209efa967f370bbb2d32463208a74707f2a3dde626b7c8b282e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1333221fb32209efa967f370bbb2d32463208a74707f2a3dde626b7c8b282e3a", kill_on_drop: false }`
[INFO] [stdout] 1333221fb32209efa967f370bbb2d32463208a74707f2a3dde626b7c8b282e3a
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b5f17e38b70f5a392a82fa61ae47869a345994f5b2d6fddb016bd900a679f4f
[INFO] running `Command { std: "docker" "start" "-a" "8b5f17e38b70f5a392a82fa61ae47869a345994f5b2d6fddb016bd900a679f4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling pyo3 v0.12.4
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling ghost v0.1.17
[INFO] [stderr]    Compiling pyo3-derive-backend v0.12.4
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling pyo3cls v0.12.4
[INFO] [stderr]     Checking arcrs v0.1.1-alpha.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `create_features_input_parameter` is never used
[INFO] [stdout]    --> src/gp.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn create_features_input_parameter(py: Python) -> PyResult<PyObject> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_features_output_parameter` is never used
[INFO] [stdout]    --> src/gp.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn create_features_output_parameter(py: Python) -> PyResult<PyObject> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_features_input_parameter` is never used
[INFO] [stdout]    --> src/gp.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn create_features_input_parameter(py: Python) -> PyResult<PyObject> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_features_output_parameter` is never used
[INFO] [stdout]    --> src/gp.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn create_features_output_parameter(py: Python) -> PyResult<PyObject> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.84s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pyo3 v0.12.4, pyo3-derive-backend v0.12.4
[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" "8b5f17e38b70f5a392a82fa61ae47869a345994f5b2d6fddb016bd900a679f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b5f17e38b70f5a392a82fa61ae47869a345994f5b2d6fddb016bd900a679f4f", kill_on_drop: false }`
[INFO] [stdout] 8b5f17e38b70f5a392a82fa61ae47869a345994f5b2d6fddb016bd900a679f4f
