[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 try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froyalmustard%2Fbattletest" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/royalmustard/battletest on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pbr v1.0.2 [INFO] [stderr] Downloaded d20 v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dcbfe1b2ce0f60406ce73013485d4f2816c160b69f2f38b6230d2411be0d63ab [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" "dcbfe1b2ce0f60406ce73013485d4f2816c160b69f2f38b6230d2411be0d63ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dcbfe1b2ce0f60406ce73013485d4f2816c160b69f2f38b6230d2411be0d63ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcbfe1b2ce0f60406ce73013485d4f2816c160b69f2f38b6230d2411be0d63ab", kill_on_drop: false }` [INFO] [stdout] dcbfe1b2ce0f60406ce73013485d4f2816c160b69f2f38b6230d2411be0d63ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] face10262a6441572cfdeef1aca6642ede886456f90edec990b29cbfdca89999 [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" "face10262a6441572cfdeef1aca6642ede886456f90edec990b29cbfdca89999", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking ucd-util v0.1.5 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking pbr v1.0.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking d20 v0.1.0 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking serde 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: 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 `std::result::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: 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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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 41.29s [INFO] running `Command { std: "docker" "inspect" "face10262a6441572cfdeef1aca6642ede886456f90edec990b29cbfdca89999", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "face10262a6441572cfdeef1aca6642ede886456f90edec990b29cbfdca89999", kill_on_drop: false }` [INFO] [stdout] face10262a6441572cfdeef1aca6642ede886456f90edec990b29cbfdca89999