[INFO] cloning repository https://github.com/royalmustard/battletest [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/royalmustard/battletest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froyalmustard%2Fbattletest", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froyalmustard%2Fbattletest'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7e0047bc924518fb7e502fe2dcbc4133231dc482 [INFO] checking royalmustard/battletest against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froyalmustard%2Fbattletest" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/royalmustard/battletest on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/royalmustard/battletest [INFO] finished tweaking git repo https://github.com/royalmustard/battletest [INFO] tweaked toml for git repo https://github.com/royalmustard/battletest written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/royalmustard/battletest already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 642f7a76ddaf4d9fcb5c30f3cfa19c8111bdf8a7848c84b1d56985254d8ca5c5 [INFO] running `Command { std: "docker" "start" "-a" "642f7a76ddaf4d9fcb5c30f3cfa19c8111bdf8a7848c84b1d56985254d8ca5c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "642f7a76ddaf4d9fcb5c30f3cfa19c8111bdf8a7848c84b1d56985254d8ca5c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "642f7a76ddaf4d9fcb5c30f3cfa19c8111bdf8a7848c84b1d56985254d8ca5c5", kill_on_drop: false }` [INFO] [stdout] 642f7a76ddaf4d9fcb5c30f3cfa19c8111bdf8a7848c84b1d56985254d8ca5c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 24dfa7ab27d72c9231c6190910de023031c48e67d3e5cd3d14b90d37cb8fab57 [INFO] running `Command { std: "docker" "start" "-a" "24dfa7ab27d72c9231c6190910de023031c48e67d3e5cd3d14b90d37cb8fab57", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Checking ucd-util v0.1.5 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking pbr v1.0.2 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking d20 v0.1.0 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking battletest v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/monsterlib.rs:239:9 [INFO] [stdout] | [INFO] [stdout] 239 | for i in 0..nthreads [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/monsterlib.rs:232:28 [INFO] [stdout] | [INFO] [stdout] 232 | pub fn fight_multithreaded(mut t1: Vec, mut t2: Vec, iterations: u32, nthreads: usize) [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/monsterlib.rs:232:50 [INFO] [stdout] | [INFO] [stdout] 232 | pub fn fight_multithreaded(mut t1: Vec, mut t2: Vec, iterations: u32, nthreads: usize) [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/monsterlib.rs:241:13 [INFO] [stdout] | [INFO] [stdout] 241 | let mut pb = mb.create_bar((iterations/nthreads as u32) as u64); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/monsterlib.rs:239:9 [INFO] [stdout] | [INFO] [stdout] 239 | for i in 0..nthreads [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/monsterlib.rs:232:28 [INFO] [stdout] | [INFO] [stdout] 232 | pub fn fight_multithreaded(mut t1: Vec, mut t2: Vec, iterations: u32, nthreads: usize) [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/monsterlib.rs:232:50 [INFO] [stdout] | [INFO] [stdout] 232 | pub fn fight_multithreaded(mut t1: Vec, mut t2: Vec, iterations: u32, nthreads: usize) [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/monsterlib.rs:241:13 [INFO] [stdout] | [INFO] [stdout] 241 | let mut pb = mb.create_bar((iterations/nthreads as u32) as u64); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/monsterlib.rs:245:13 [INFO] [stdout] | [INFO] [stdout] 245 | sender_n.send(arena_n.fight(pb)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/monsterlib.rs:245:13 [INFO] [stdout] | [INFO] [stdout] 245 | sender_n.send(arena_n.fight(pb)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.68s [INFO] running `Command { std: "docker" "inspect" "24dfa7ab27d72c9231c6190910de023031c48e67d3e5cd3d14b90d37cb8fab57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24dfa7ab27d72c9231c6190910de023031c48e67d3e5cd3d14b90d37cb8fab57", kill_on_drop: false }` [INFO] [stdout] 24dfa7ab27d72c9231c6190910de023031c48e67d3e5cd3d14b90d37cb8fab57