[INFO] cloning repository https://github.com/ChoateProgrammingUnion/housing-lottery-optimization [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChoateProgrammingUnion/housing-lottery-optimization" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChoateProgrammingUnion%2Fhousing-lottery-optimization", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChoateProgrammingUnion%2Fhousing-lottery-optimization'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c563a27f1c600a199aa79f61a9b659db5f48f283 [INFO] checking ChoateProgrammingUnion/housing-lottery-optimization against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChoateProgrammingUnion%2Fhousing-lottery-optimization" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ChoateProgrammingUnion/housing-lottery-optimization on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ChoateProgrammingUnion/housing-lottery-optimization [INFO] finished tweaking git repo https://github.com/ChoateProgrammingUnion/housing-lottery-optimization [INFO] tweaked toml for git repo https://github.com/ChoateProgrammingUnion/housing-lottery-optimization written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/ChoateProgrammingUnion/housing-lottery-optimization already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded array2d v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 22f15fa929d111dfb23aeaaf1dc7d2ebf354f20b3ebcb613157107c9fba1aa7d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "22f15fa929d111dfb23aeaaf1dc7d2ebf354f20b3ebcb613157107c9fba1aa7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "22f15fa929d111dfb23aeaaf1dc7d2ebf354f20b3ebcb613157107c9fba1aa7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22f15fa929d111dfb23aeaaf1dc7d2ebf354f20b3ebcb613157107c9fba1aa7d", kill_on_drop: false }` [INFO] [stdout] 22f15fa929d111dfb23aeaaf1dc7d2ebf354f20b3ebcb613157107c9fba1aa7d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4396f79c51118b3f12be71bb8145a80d6c8b419ed8a161328b0e463b94f21537 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4396f79c51118b3f12be71bb8145a80d6c8b419ed8a161328b0e463b94f21537", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Checking log v0.4.11 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking yaml-rust v0.4.4 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking getrandom v0.1.15 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking petgraph v0.5.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking housing-optimization v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ballot::Ballot` [INFO] [stdout] --> src/optimizers/mcmc.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | use ballot::Ballot; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `extra_room_float` [INFO] [stdout] --> src/optimizers/mcmc/minimax.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | let extra_room_float: f64 = 0.1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extra_room_float` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `extra_room_constant` [INFO] [stdout] --> src/optimizers/mcmc/minimax.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let mut extra_room_constant: usize = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extra_room_constant` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other_constant` [INFO] [stdout] --> src/optimizers/mcmc/minimax.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let mut other_constant: f64 = 0.5; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_constant` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `new_seed` [INFO] [stdout] --> src/optimizers/mcmcswap/mcmc_swap.rs:166:26 [INFO] [stdout] | [INFO] [stdout] 166 | fn reseed(&mut self, new_seed: u64) {} [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_seed` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/optimizers/mcmc/minimax.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let mut extra_room_constant: usize = 0; [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/optimizers/mcmc/minimax.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let mut other_constant: f64 = 0.5; [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `extra_room_float` [INFO] [stdout] --> src/optimizers/mcmc/minimax.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | let extra_room_float: f64 = 0.1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extra_room_float` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `extra_room_constant` [INFO] [stdout] --> src/optimizers/mcmc/minimax.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let mut extra_room_constant: usize = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extra_room_constant` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other_constant` [INFO] [stdout] --> src/optimizers/mcmc/minimax.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let mut other_constant: f64 = 0.5; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_constant` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `new_seed` [INFO] [stdout] --> src/optimizers/mcmcswap/mcmc_swap.rs:166:26 [INFO] [stdout] | [INFO] [stdout] 166 | fn reseed(&mut self, new_seed: u64) {} [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_seed` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `graph` [INFO] [stdout] --> src/optimizers/network.rs:253:13 [INFO] [stdout] | [INFO] [stdout] 253 | let graph = optimizers::network::NetworkOptimizer::new(&ballot, 10.0, 10.0); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `exclude` [INFO] [stdout] --> src/optimizers/network.rs:297:13 [INFO] [stdout] | [INFO] [stdout] 297 | let mut exclude: HashMap = HashMap::new(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exclude` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/optimizers/mcmc/minimax.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let mut extra_room_constant: usize = 0; [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/optimizers/mcmc/minimax.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let mut other_constant: f64 = 0.5; [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `size` [INFO] [stdout] --> src/optimizers/mcmc/minimax_swap.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | fn size(&self, schedule: Vec>) -> (Vec>, usize) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/optimizers/network.rs:260:13 [INFO] [stdout] | [INFO] [stdout] 260 | let mut graph = optimizers::network::NetworkOptimizer::new(&ballot, 10.0, 10.0); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/optimizers/network.rs:279:13 [INFO] [stdout] | [INFO] [stdout] 279 | let mut graph = optimizers::network::NetworkOptimizer::new(&ballot, 10.0, 10.0); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/optimizers/network.rs:297:13 [INFO] [stdout] | [INFO] [stdout] 297 | let mut exclude: HashMap = HashMap::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `size` [INFO] [stdout] --> src/optimizers/mcmc/minimax_swap.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | fn size(&self, schedule: Vec>) -> (Vec>, usize) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.21s [INFO] running `Command { std: "docker" "inspect" "4396f79c51118b3f12be71bb8145a80d6c8b419ed8a161328b0e463b94f21537", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4396f79c51118b3f12be71bb8145a80d6c8b419ed8a161328b0e463b94f21537", kill_on_drop: false }` [INFO] [stdout] 4396f79c51118b3f12be71bb8145a80d6c8b419ed8a161328b0e463b94f21537