[INFO] cloning repository https://github.com/wspeirs/jump-consistent-hashing [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wspeirs/jump-consistent-hashing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwspeirs%2Fjump-consistent-hashing", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwspeirs%2Fjump-consistent-hashing'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c00759bb94789fe7dcd35622e35e3491af12e42e [INFO] testing wspeirs/jump-consistent-hashing against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwspeirs%2Fjump-consistent-hashing" "/workspace/builds/worker-19/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wspeirs/jump-consistent-hashing on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wspeirs/jump-consistent-hashing [INFO] finished tweaking git repo https://github.com/wspeirs/jump-consistent-hashing [INFO] tweaked toml for git repo https://github.com/wspeirs/jump-consistent-hashing written to /workspace/builds/worker-19/source/Cargo.toml [INFO] crate git repo https://github.com/wspeirs/jump-consistent-hashing already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c27064342a99af60c7b1dea4c6384c2df53f3f5810d41ba91633d69c895c0d86 [INFO] running `Command { std: "docker" "start" "-a" "c27064342a99af60c7b1dea4c6384c2df53f3f5810d41ba91633d69c895c0d86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c27064342a99af60c7b1dea4c6384c2df53f3f5810d41ba91633d69c895c0d86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c27064342a99af60c7b1dea4c6384c2df53f3f5810d41ba91633d69c895c0d86", kill_on_drop: false }` [INFO] [stdout] c27064342a99af60c7b1dea4c6384c2df53f3f5810d41ba91633d69c895c0d86 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 710ee58b03b9a5404723b60210074614f57b5a656c504fe9dc1c213018b7b15d [INFO] running `Command { std: "docker" "start" "-a" "710ee58b03b9a5404723b60210074614f57b5a656c504fe9dc1c213018b7b15d", kill_on_drop: false }` [INFO] [stderr] Compiling jump-consistent-hashing v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:39:53 [INFO] [stdout] | [INFO] [stdout] 39 | fn hash(key: u64, num_servers: u64, lcng_a: u64) -> (u64) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 39 - fn hash(key: u64, num_servers: u64, lcng_a: u64) -> (u64) { [INFO] [stdout] 39 + fn hash(key: u64, num_servers: u64, lcng_a: u64) -> u64 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:4:86 [INFO] [stdout] | [INFO] [stdout] 4 | fn assign_servers(key: u64, num_servers: u64, copies: usize) -> Result, Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 4 - fn assign_servers(key: u64, num_servers: u64, copies: usize) -> Result, Box> { [INFO] [stdout] 4 + fn assign_servers(key: u64, num_servers: u64, copies: usize) -> Result, Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.16s [INFO] running `Command { std: "docker" "inspect" "710ee58b03b9a5404723b60210074614f57b5a656c504fe9dc1c213018b7b15d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "710ee58b03b9a5404723b60210074614f57b5a656c504fe9dc1c213018b7b15d", kill_on_drop: false }` [INFO] [stdout] 710ee58b03b9a5404723b60210074614f57b5a656c504fe9dc1c213018b7b15d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a7c2005a4a685561e2233ff3c58a0e508ecce8d8571faf5130316e86c25baa64 [INFO] running `Command { std: "docker" "start" "-a" "a7c2005a4a685561e2233ff3c58a0e508ecce8d8571faf5130316e86c25baa64", kill_on_drop: false }` [INFO] [stderr] Compiling jump-consistent-hashing v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:39:53 [INFO] [stdout] | [INFO] [stdout] 39 | fn hash(key: u64, num_servers: u64, lcng_a: u64) -> (u64) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 39 - fn hash(key: u64, num_servers: u64, lcng_a: u64) -> (u64) { [INFO] [stdout] 39 + fn hash(key: u64, num_servers: u64, lcng_a: u64) -> u64 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:4:86 [INFO] [stdout] | [INFO] [stdout] 4 | fn assign_servers(key: u64, num_servers: u64, copies: usize) -> Result, Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 4 - fn assign_servers(key: u64, num_servers: u64, copies: usize) -> Result, Box> { [INFO] [stdout] 4 + fn assign_servers(key: u64, num_servers: u64, copies: usize) -> Result, Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.38s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/jump_consistent_hashing-ee4f9b597928aff1) [INFO] running `Command { std: "docker" "inspect" "a7c2005a4a685561e2233ff3c58a0e508ecce8d8571faf5130316e86c25baa64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7c2005a4a685561e2233ff3c58a0e508ecce8d8571faf5130316e86c25baa64", kill_on_drop: false }` [INFO] [stdout] a7c2005a4a685561e2233ff3c58a0e508ecce8d8571faf5130316e86c25baa64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 832598e0e5c9809f8e7b866179af8f015f168223abe727ebf06755fccbf666fc [INFO] running `Command { std: "docker" "start" "-a" "832598e0e5c9809f8e7b866179af8f015f168223abe727ebf06755fccbf666fc", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/main.rs:39:53 [INFO] [stderr] | [INFO] [stderr] 39 | fn hash(key: u64, num_servers: u64, lcng_a: u64) -> (u64) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 39 - fn hash(key: u64, num_servers: u64, lcng_a: u64) -> (u64) { [INFO] [stderr] 39 + fn hash(key: u64, num_servers: u64, lcng_a: u64) -> u64 { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:4:86 [INFO] [stderr] | [INFO] [stderr] 4 | fn assign_servers(key: u64, num_servers: u64, copies: usize) -> Result, Box> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 4 - fn assign_servers(key: u64, num_servers: u64, copies: usize) -> Result, Box> { [INFO] [stderr] 4 + fn assign_servers(key: u64, num_servers: u64, copies: usize) -> Result, Box> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `jump-consistent-hashing` (bin "jump-consistent-hashing" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/jump_consistent_hashing-ee4f9b597928aff1) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "832598e0e5c9809f8e7b866179af8f015f168223abe727ebf06755fccbf666fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "832598e0e5c9809f8e7b866179af8f015f168223abe727ebf06755fccbf666fc", kill_on_drop: false }` [INFO] [stdout] 832598e0e5c9809f8e7b866179af8f015f168223abe727ebf06755fccbf666fc