[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#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsscdotopen%2Fpuppies" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sscdotopen/puppies on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-14/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded variance v0.1.3 [INFO] [stderr] Downloaded scopeguard v0.1.2 [INFO] [stderr] Downloaded bencher 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f222bde62ce0b3d00a6d40409275e68e044b3719030b604c80974fbe1a7d2439 [INFO] running `Command { std: "docker" "start" "-a" "f222bde62ce0b3d00a6d40409275e68e044b3719030b604c80974fbe1a7d2439", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f222bde62ce0b3d00a6d40409275e68e044b3719030b604c80974fbe1a7d2439", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f222bde62ce0b3d00a6d40409275e68e044b3719030b604c80974fbe1a7d2439", kill_on_drop: false }` [INFO] [stdout] f222bde62ce0b3d00a6d40409275e68e044b3719030b604c80974fbe1a7d2439 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b7527d8f0c8076222651cbc949f4c03876728ccdf45bcb7c7f4b1f2140d709d [INFO] running `Command { std: "docker" "start" "-a" "0b7527d8f0c8076222651cbc949f4c03876728ccdf45bcb7c7f4b1f2140d709d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.29 [INFO] [stderr] Compiling scopeguard v0.1.2 [INFO] [stderr] Compiling variance v0.1.3 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling byteorder v1.1.0 [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 6.17s [INFO] running `Command { std: "docker" "inspect" "0b7527d8f0c8076222651cbc949f4c03876728ccdf45bcb7c7f4b1f2140d709d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b7527d8f0c8076222651cbc949f4c03876728ccdf45bcb7c7f4b1f2140d709d", kill_on_drop: false }` [INFO] [stdout] 0b7527d8f0c8076222651cbc949f4c03876728ccdf45bcb7c7f4b1f2140d709d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 534d6221ee7dcce3830e1014b8669a57c61a7a2a2989d8a51a9a61d35af636ed [INFO] running `Command { std: "docker" "start" "-a" "534d6221ee7dcce3830e1014b8669a57c61a7a2a2989d8a51a9a61d35af636ed", 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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.98s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "534d6221ee7dcce3830e1014b8669a57c61a7a2a2989d8a51a9a61d35af636ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "534d6221ee7dcce3830e1014b8669a57c61a7a2a2989d8a51a9a61d35af636ed", kill_on_drop: false }` [INFO] [stdout] 534d6221ee7dcce3830e1014b8669a57c61a7a2a2989d8a51a9a61d35af636ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4706c277e675adfb81734ec758178e73dcdcf844c1d18fdb13f7357a68967f14 [INFO] running `Command { std: "docker" "start" "-a" "4706c277e675adfb81734ec758178e73dcdcf844c1d18fdb13f7357a68967f14", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] running 2 tests [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 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/puppies-71d43321c8715e6b) [INFO] [stdout] test llr::tests::topk ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/main-ffd0e51960b7a0d0) [INFO] [stdout] test llr::tests::llr ... ok [INFO] [stderr] Doc-tests puppies [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [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] [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" "4706c277e675adfb81734ec758178e73dcdcf844c1d18fdb13f7357a68967f14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4706c277e675adfb81734ec758178e73dcdcf844c1d18fdb13f7357a68967f14", kill_on_drop: false }` [INFO] [stdout] 4706c277e675adfb81734ec758178e73dcdcf844c1d18fdb13f7357a68967f14