[INFO] cloning repository https://github.com/sscdotopen/puppies [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sscdotopen/puppies" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsscdotopen%2Fpuppies", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsscdotopen%2Fpuppies'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c51e6a702c8cdbe4d8d271cce9687174af290b8f [INFO] testing sscdotopen/puppies against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsscdotopen%2Fpuppies" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sscdotopen/puppies on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sscdotopen/puppies [INFO] finished tweaking git repo https://github.com/sscdotopen/puppies [INFO] tweaked toml for git repo https://github.com/sscdotopen/puppies written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/sscdotopen/puppies already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded scopeguard v0.1.2 [INFO] [stderr] Downloaded csv v0.15.0 [INFO] [stderr] Downloaded bencher v0.1.3 [INFO] [stderr] Downloaded variance v0.1.3 [INFO] [stderr] Downloaded scoped-pool v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 178d0fc5b02902adde2d480780df7add69c987e2a447ee60c1050c6f3d10681d [INFO] running `Command { std: "docker" "start" "-a" "178d0fc5b02902adde2d480780df7add69c987e2a447ee60c1050c6f3d10681d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "178d0fc5b02902adde2d480780df7add69c987e2a447ee60c1050c6f3d10681d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "178d0fc5b02902adde2d480780df7add69c987e2a447ee60c1050c6f3d10681d", kill_on_drop: false }` [INFO] [stdout] 178d0fc5b02902adde2d480780df7add69c987e2a447ee60c1050c6f3d10681d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b53e9ab9adba7d514b201583dacc01b45f55cddf0526f6902538fd6f54d451b9 [INFO] running `Command { std: "docker" "start" "-a" "b53e9ab9adba7d514b201583dacc01b45f55cddf0526f6902538fd6f54d451b9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.29 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling variance v0.1.3 [INFO] [stderr] Compiling scopeguard v0.1.2 [INFO] [stderr] Compiling crossbeam v0.2.10 [INFO] [stderr] Compiling byteorder v1.1.0 [INFO] [stderr] Compiling fnv v1.0.5 [INFO] [stderr] Compiling bencher v0.1.3 [INFO] [stderr] Compiling scoped-pool v1.0.0 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling rand v0.3.16 [INFO] [stderr] Compiling csv v0.15.0 [INFO] [stderr] Compiling puppies v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:83:21 [INFO] [stdout] | [INFO] [stdout] 83 | let mut user_history = samples_of_a.get_mut(user_idx).unwrap(); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.14s [INFO] running `Command { std: "docker" "inspect" "b53e9ab9adba7d514b201583dacc01b45f55cddf0526f6902538fd6f54d451b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b53e9ab9adba7d514b201583dacc01b45f55cddf0526f6902538fd6f54d451b9", kill_on_drop: false }` [INFO] [stdout] b53e9ab9adba7d514b201583dacc01b45f55cddf0526f6902538fd6f54d451b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a0b4bbb2448a738e139cf58bedcf6e5d000533b188d65643e014c82cb0daaca1 [INFO] running `Command { std: "docker" "start" "-a" "a0b4bbb2448a738e139cf58bedcf6e5d000533b188d65643e014c82cb0daaca1", kill_on_drop: false }` [INFO] [stderr] Compiling puppies v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:83:21 [INFO] [stdout] | [INFO] [stdout] 83 | let mut user_history = samples_of_a.get_mut(user_idx).unwrap(); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:83:21 [INFO] [stdout] | [INFO] [stdout] 83 | let mut user_history = samples_of_a.get_mut(user_idx).unwrap(); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.31s [INFO] running `Command { std: "docker" "inspect" "a0b4bbb2448a738e139cf58bedcf6e5d000533b188d65643e014c82cb0daaca1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0b4bbb2448a738e139cf58bedcf6e5d000533b188d65643e014c82cb0daaca1", kill_on_drop: false }` [INFO] [stdout] a0b4bbb2448a738e139cf58bedcf6e5d000533b188d65643e014c82cb0daaca1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f1e7a905b2f7c99801317634858f2586314a687961cdd95bb6f315380ff273d8 [INFO] running `Command { std: "docker" "start" "-a" "f1e7a905b2f7c99801317634858f2586314a687961cdd95bb6f315380ff273d8", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:83:21 [INFO] [stderr] | [INFO] [stderr] 83 | let mut user_history = samples_of_a.get_mut(user_idx).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:83:21 [INFO] [stderr] | [INFO] [stderr] 83 | let mut user_history = samples_of_a.get_mut(user_idx).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/puppies-033041f4d99f2edb) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test llr::tests::topk ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/main-5734fe9909716653) [INFO] [stdout] test llr::tests::llr ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stderr] Doc-tests puppies [INFO] [stdout] [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] [stdout] [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" "f1e7a905b2f7c99801317634858f2586314a687961cdd95bb6f315380ff273d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1e7a905b2f7c99801317634858f2586314a687961cdd95bb6f315380ff273d8", kill_on_drop: false }` [INFO] [stdout] f1e7a905b2f7c99801317634858f2586314a687961cdd95bb6f315380ff273d8