[INFO] cloning repository https://github.com/RuneBlaze/py-radix-heap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RuneBlaze/py-radix-heap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuneBlaze%2Fpy-radix-heap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuneBlaze%2Fpy-radix-heap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d932c2c98ea4ee109edf4d908fd489f5a67a151
[INFO] checking RuneBlaze/py-radix-heap against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuneBlaze%2Fpy-radix-heap" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/RuneBlaze/py-radix-heap
[INFO] finished tweaking git repo https://github.com/RuneBlaze/py-radix-heap
[INFO] tweaked toml for git repo https://github.com/RuneBlaze/py-radix-heap written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RuneBlaze/py-radix-heap on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RuneBlaze/py-radix-heap 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91f53fe4058ea39f09195fea1534814ca72f7655e1bcb388e7a0b6ebeafbed1f
[INFO] running `Command { std: "docker" "start" "-a" "91f53fe4058ea39f09195fea1534814ca72f7655e1bcb388e7a0b6ebeafbed1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91f53fe4058ea39f09195fea1534814ca72f7655e1bcb388e7a0b6ebeafbed1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91f53fe4058ea39f09195fea1534814ca72f7655e1bcb388e7a0b6ebeafbed1f", kill_on_drop: false }`
[INFO] [stdout] 91f53fe4058ea39f09195fea1534814ca72f7655e1bcb388e7a0b6ebeafbed1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5200e08341fa0b1c87d3ac03a0f2f377f4cf347148929532c7b02c25ba283e66
[INFO] running `Command { std: "docker" "start" "-a" "5200e08341fa0b1c87d3ac03a0f2f377f4cf347148929532c7b02c25ba283e66", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking memoffset v0.9.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]    Compiling pyo3-build-config v0.21.2
[INFO] [stderr]     Checking radix-heap v0.4.2
[INFO] [stderr]    Compiling pyo3-ffi v0.21.2
[INFO] [stderr]    Compiling pyo3 v0.21.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.21.2
[INFO] [stderr]    Compiling pyo3-macros v0.21.2
[INFO] [stderr]     Checking py-radix-heap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Option<i64>, Infallible>
[INFO] [stdout]   --> src/pylib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[pymethods]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<i64>, Infallible>
[INFO] [stdout]   --> src/pylib.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[pymethods]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<f64>, Infallible>
[INFO] [stdout]    --> src/pylib.rs:119:1
[INFO] [stdout]     |
[INFO] [stdout] 119 | #[pymethods]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<f64>, Infallible>
[INFO] [stdout]    --> src/pylib.rs:179:1
[INFO] [stdout]     |
[INFO] [stdout] 179 | #[pymethods]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `py-radix-heap` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Option<i64>, Infallible>
[INFO] [stdout]   --> src/pylib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[pymethods]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<i64>, Infallible>
[INFO] [stdout]   --> src/pylib.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[pymethods]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<f64>, Infallible>
[INFO] [stdout]    --> src/pylib.rs:119:1
[INFO] [stdout]     |
[INFO] [stdout] 119 | #[pymethods]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<f64>, Infallible>
[INFO] [stdout]    --> src/pylib.rs:179:1
[INFO] [stdout]     |
[INFO] [stdout] 179 | #[pymethods]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `py-radix-heap` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "5200e08341fa0b1c87d3ac03a0f2f377f4cf347148929532c7b02c25ba283e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5200e08341fa0b1c87d3ac03a0f2f377f4cf347148929532c7b02c25ba283e66", kill_on_drop: false }`
[INFO] [stdout] 5200e08341fa0b1c87d3ac03a0f2f377f4cf347148929532c7b02c25ba283e66