[INFO] fetching crate simple_bpm 0.2.1...
[INFO] testing simple_bpm-0.2.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate simple_bpm 0.2.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate simple_bpm 0.2.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple_bpm 0.2.1
[INFO] finished tweaking crates.io crate simple_bpm 0.2.1
[INFO] tweaked toml for crates.io crate simple_bpm 0.2.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hodges v0.1.0
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a418012055cdd9c1888b4217be11080b569a64bbbe2c08c5622494c0bbdd7236
[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" "a418012055cdd9c1888b4217be11080b569a64bbbe2c08c5622494c0bbdd7236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a418012055cdd9c1888b4217be11080b569a64bbbe2c08c5622494c0bbdd7236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a418012055cdd9c1888b4217be11080b569a64bbbe2c08c5622494c0bbdd7236", kill_on_drop: false }`
[INFO] [stdout] a418012055cdd9c1888b4217be11080b569a64bbbe2c08c5622494c0bbdd7236
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 62bb66c93c4edc0f50f63e4eff9257ae2b5d20736bd0c1f41f11ae5829da74d4
[INFO] running `Command { std: "docker" "start" "-a" "62bb66c93c4edc0f50f63e4eff9257ae2b5d20736bd0c1f41f11ae5829da74d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools-num v0.1.3
[INFO] [stderr]    Compiling simple_bpm v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "62bb66c93c4edc0f50f63e4eff9257ae2b5d20736bd0c1f41f11ae5829da74d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62bb66c93c4edc0f50f63e4eff9257ae2b5d20736bd0c1f41f11ae5829da74d4", kill_on_drop: false }`
[INFO] [stdout] 62bb66c93c4edc0f50f63e4eff9257ae2b5d20736bd0c1f41f11ae5829da74d4
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1b179a9f6d5a3bf02fed60be0f510d3627d1f7452cd0199527ac7dd1f6f51e7
[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" "c1b179a9f6d5a3bf02fed60be0f510d3627d1f7452cd0199527ac7dd1f6f51e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bindgen v0.47.4
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling hodges v0.1.0
[INFO] [stderr]    Compiling simple_bpm v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> examples/optimise.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mse = (total_err_sqs / pretrials as f32);
[INFO] [stdout]    |               ^                                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 -     let mse = (total_err_sqs / pretrials as f32);
[INFO] [stdout] 47 +     let mse = total_err_sqs / pretrials as f32;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 44.24s
[INFO] running `Command { std: "docker" "inspect" "c1b179a9f6d5a3bf02fed60be0f510d3627d1f7452cd0199527ac7dd1f6f51e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1b179a9f6d5a3bf02fed60be0f510d3627d1f7452cd0199527ac7dd1f6f51e7", kill_on_drop: false }`
[INFO] [stdout] c1b179a9f6d5a3bf02fed60be0f510d3627d1f7452cd0199527ac7dd1f6f51e7
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eac2fc0aef3402c4f15d514c4b7cdcc0b7b3410bb7d84e7cac6be9e03671ce17
[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" "eac2fc0aef3402c4f15d514c4b7cdcc0b7b3410bb7d84e7cac6be9e03671ce17", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> examples/optimise.rs:47:15
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mse = (total_err_sqs / pretrials as f32);
[INFO] [stderr]    |               ^                                ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 47 -     let mse = (total_err_sqs / pretrials as f32);
[INFO] [stderr] 47 +     let mse = total_err_sqs / pretrials as f32;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `simple_bpm` (example "optimise") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simple_bpm-a23ebf5db55aff16)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple_bpm
[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" "eac2fc0aef3402c4f15d514c4b7cdcc0b7b3410bb7d84e7cac6be9e03671ce17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac2fc0aef3402c4f15d514c4b7cdcc0b7b3410bb7d84e7cac6be9e03671ce17", kill_on_drop: false }`
[INFO] [stdout] eac2fc0aef3402c4f15d514c4b7cdcc0b7b3410bb7d84e7cac6be9e03671ce17