[INFO] fetching crate prop-check-rs 0.0.964...
[INFO] building prop-check-rs-0.0.964 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate prop-check-rs 0.0.964 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate prop-check-rs 0.0.964
[INFO] finished tweaking crates.io crate prop-check-rs 0.0.964
[INFO] tweaked toml for crates.io crate prop-check-rs 0.0.964 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prop-check-rs 0.0.964 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prop-check-rs 0.0.964 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f71ba03f2fae3bdc000d0c2a64cf8f49f6e195d275e1d18f6138bf2fa88d2fc
[INFO] running `Command { std: "docker" "start" "-a" "9f71ba03f2fae3bdc000d0c2a64cf8f49f6e195d275e1d18f6138bf2fa88d2fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f71ba03f2fae3bdc000d0c2a64cf8f49f6e195d275e1d18f6138bf2fa88d2fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f71ba03f2fae3bdc000d0c2a64cf8f49f6e195d275e1d18f6138bf2fa88d2fc", kill_on_drop: false }`
[INFO] [stdout] 9f71ba03f2fae3bdc000d0c2a64cf8f49f6e195d275e1d18f6138bf2fa88d2fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efd433e2c2ff92f0e499db73cfd39b1d3ddd933b7d2ba99cd24ddb6ef393a05f
[INFO] running `Command { std: "docker" "start" "-a" "efd433e2c2ff92f0e499db73cfd39b1d3ddd933b7d2ba99cd24ddb6ef393a05f", kill_on_drop: false }`
[INFO] [stderr] Compiling autocfg v1.5.0
[INFO] [stderr] Compiling libc v0.2.175
[INFO] [stderr] Compiling getrandom v0.3.3
[INFO] [stderr] Compiling zerocopy v0.8.27
[INFO] [stderr] Compiling cfg-if v1.0.3
[INFO] [stderr] Compiling libm v0.2.15
[INFO] [stderr] Compiling anyhow v1.0.100
[INFO] [stderr] Compiling log v0.4.28
[INFO] [stderr] Compiling num-traits v0.2.19
[INFO] [stderr] Compiling bigdecimal v0.4.8
[INFO] [stderr] Compiling num-integer v0.1.46
[INFO] [stderr] Compiling num_cpus v1.17.0
[INFO] [stderr] Compiling rand_core v0.9.3
[INFO] [stderr] Compiling num-bigint v0.4.6
[INFO] [stderr] Compiling ppv-lite86 v0.2.21
[INFO] [stderr] Compiling rand_chacha v0.9.0
[INFO] [stderr] Compiling rand v0.9.2
[INFO] [stderr] Compiling prop-check-rs v0.0.964 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Input` is never used
[INFO] [stdout] --> src/machine.rs:5:6
[INFO] [stdout] |
[INFO] [stdout] 5 | enum Input {
[INFO] [stdout] | ^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: struct `Machine` is never constructed
[INFO] [stdout] --> src/machine.rs:14:8
[INFO] [stdout] |
[INFO] [stdout] 14 | struct Machine {
[INFO] [stdout] | ^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: associated functions `simulate_machine` and `update` are never used
[INFO] [stdout] --> src/machine.rs:31:6
[INFO] [stdout] |
[INFO] [stdout] 23 | impl Machine {
[INFO] [stdout] | ------------ associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 | fn simulate_machine(inputs: Vec) -> State {
[INFO] [stdout] | ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 | fn update() -> Box Box Machine>> {
[INFO] [stdout] | ^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `random_stream` is never used
[INFO] [stdout] --> src/prop.rs:131:4
[INFO] [stdout] |
[INFO] [stdout] 131 | fn random_stream(g: Gen, mut rng: RNG) -> impl Iterator-
[INFO] [stdout] | ^^^^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: struct `Gens` is never constructed
[INFO] [stdout] --> src/gen.rs:15:12
[INFO] [stdout] |
[INFO] [stdout] 15 | pub struct Gens;
[INFO] [stdout] | ^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: multiple associated functions are never used
[INFO] [stdout] --> src/gen.rs:22:10
[INFO] [stdout] |
[INFO] [stdout] 17 | impl Gens {
[INFO] [stdout] | --------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 | pub fn unit() -> Gen<()> {
[INFO] [stdout] | ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 | pub fn pure(value: B) -> Gen
[INFO] [stdout] | ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 | pub fn pure_lazy(f: F) -> Gen
[INFO] [stdout] | ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 | pub fn some(gen: Gen) -> Gen