[INFO] cloning repository https://github.com/vlmutolo/quantum-network
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vlmutolo/quantum-network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlmutolo%2Fquantum-network", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlmutolo%2Fquantum-network'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d8ed3ee061755d32d9045729518e82e3f5d9e89
[INFO] checking vlmutolo/quantum-network 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%2Fvlmutolo%2Fquantum-network" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vlmutolo/quantum-network
[INFO] finished tweaking git repo https://github.com/vlmutolo/quantum-network
[INFO] tweaked toml for git repo https://github.com/vlmutolo/quantum-network written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vlmutolo/quantum-network 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/vlmutolo/quantum-network 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c4032a3f87aead1164676c61d4e1be2a1a7898824236ecfa0b47d4a5a243509c
[INFO] running `Command { std: "docker" "start" "-a" "c4032a3f87aead1164676c61d4e1be2a1a7898824236ecfa0b47d4a5a243509c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4032a3f87aead1164676c61d4e1be2a1a7898824236ecfa0b47d4a5a243509c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4032a3f87aead1164676c61d4e1be2a1a7898824236ecfa0b47d4a5a243509c", kill_on_drop: false }`
[INFO] [stdout] c4032a3f87aead1164676c61d4e1be2a1a7898824236ecfa0b47d4a5a243509c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8f685d6730dee483e554b15cbe6cff01c83c11adea9559b9161f8d6f9520284d
[INFO] running `Command { std: "docker" "start" "-a" "8f685d6730dee483e554b15cbe6cff01c83c11adea9559b9161f8d6f9520284d", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking hashbrown v0.15.3
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling pyo3-build-config v0.24.2
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking petgraph v0.8.1
[INFO] [stderr]     Checking priority-queue v2.3.1
[INFO] [stderr]    Compiling pyo3-ffi v0.24.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.24.2
[INFO] [stderr]    Compiling pyo3 v0.24.2
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking rand_distr v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]    Compiling pyo3-macros v0.24.2
[INFO] [stderr]     Checking preshared-entanglement-sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<HashMap<String, u64>>, Infallible>
[INFO] [stdout]   --> src/python_interface.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn py_edge_capacities(&self) -> Vec<HashMap<String, u64>> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(f64, f64), Infallible>
[INFO] [stdout]   --> src/python_interface.rs:45:52
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn py_max_flow_stats(&self, n_samples: u64) -> (f64, f64) {
[INFO] [stdout]    |                                                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]   --> src/python_interface.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn py_time(&self) -> u64 {
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `preshared-entanglement-sim` (lib) due to 3 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<Vec<HashMap<String, u64>>, Infallible>
[INFO] [stdout]   --> src/python_interface.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn py_edge_capacities(&self) -> Vec<HashMap<String, u64>> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(f64, f64), Infallible>
[INFO] [stdout]   --> src/python_interface.rs:45:52
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn py_max_flow_stats(&self, n_samples: u64) -> (f64, f64) {
[INFO] [stdout]    |                                                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]   --> src/python_interface.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn py_time(&self) -> u64 {
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `preshared-entanglement-sim` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "8f685d6730dee483e554b15cbe6cff01c83c11adea9559b9161f8d6f9520284d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f685d6730dee483e554b15cbe6cff01c83c11adea9559b9161f8d6f9520284d", kill_on_drop: false }`
[INFO] [stdout] 8f685d6730dee483e554b15cbe6cff01c83c11adea9559b9161f8d6f9520284d
