[INFO] fetching crate atomic-hyperloglog 0.1.0...
[INFO] checking atomic-hyperloglog-0.1.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate atomic-hyperloglog 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate atomic-hyperloglog 0.1.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atomic-hyperloglog 0.1.0
[INFO] finished tweaking crates.io crate atomic-hyperloglog 0.1.0
[INFO] tweaked toml for crates.io crate atomic-hyperloglog 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded papergrid v0.9.1
[INFO] [stderr]   Downloaded clap v4.5.2
[INFO] [stderr]   Downloaded clap_lex v0.7.0
[INFO] [stderr]   Downloaded criterion v0.5.1
[INFO] [stderr]   Downloaded clap_builder v4.5.2
[INFO] [stderr]   Downloaded tabled v0.12.2
[INFO] [stderr]   Downloaded tabled_derive v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13b8d9ae5afb808d1f8b92555ef88e29ae668ca5b60b8023b54db5b979dfa113
[INFO] running `Command { std: "docker" "start" "-a" "13b8d9ae5afb808d1f8b92555ef88e29ae668ca5b60b8023b54db5b979dfa113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13b8d9ae5afb808d1f8b92555ef88e29ae668ca5b60b8023b54db5b979dfa113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13b8d9ae5afb808d1f8b92555ef88e29ae668ca5b60b8023b54db5b979dfa113", kill_on_drop: false }`
[INFO] [stdout] 13b8d9ae5afb808d1f8b92555ef88e29ae668ca5b60b8023b54db5b979dfa113
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fc48661bef3fced25c09fbc6dc8a5077848e92d43d76aa3b46eee9e21ed9340
[INFO] running `Command { std: "docker" "start" "-a" "7fc48661bef3fced25c09fbc6dc8a5077848e92d43d76aa3b46eee9e21ed9340", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking bytecount v0.6.7
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking atomic-hyperloglog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking papergrid v0.9.1
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking clap v4.5.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tabled_derive v0.6.0
[INFO] [stderr]     Checking tabled v0.12.2
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] error[E0432]: unresolved import `hyperloglog`
[INFO] [stdout]  --> benches/merge.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use hyperloglog::HyperLogLog;
[INFO] [stdout]   |     ^^^^^^^^^^^ use of undeclared crate or module `hyperloglog`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hyperloglog`
[INFO] [stdout]  --> benches/simple.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use hyperloglog::HyperLogLog;
[INFO] [stdout]   |     ^^^^^^^^^^^ use of undeclared crate or module `hyperloglog`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BenchmarkGroup`, `criterion_group`, `measurement::WallTime`
[INFO] [stdout]  --> benches/merge.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use criterion::{criterion_group, criterion_main, Criterion, BenchmarkGroup, measurement::WallTime};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^                             ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atomic-hyperloglog` (bench "merge") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `atomic-hyperloglog` (bench "simple") due to 2 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `hyperloglog`
[INFO] [stdout]   --> benches/multithreaded.rs:89:19
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let hll = hyperloglog::HyperLogLog::new(BuildHasherDefault::<SeaHasher>::default(), b);
[INFO] [stdout]    |                   ^^^^^^^^^^^ use of undeclared crate or module `hyperloglog`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use atomic_hyperloglog::HyperLogLog;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `HyperLogLog`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 89 -         let hll = hyperloglog::HyperLogLog::new(BuildHasherDefault::<SeaHasher>::default(), b);
[INFO] [stdout] 89 +         let hll = HyperLogLog::new(BuildHasherDefault::<SeaHasher>::default(), b);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> benches/multithreaded.rs:1:53
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{hash::BuildHasherDefault, time::{Instant, Duration}};
[INFO] [stdout]   |                                                     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sterr`
[INFO] [stdout]    --> src/lib.rs:351:13
[INFO] [stdout]     |
[INFO] [stdout] 351 |         let sterr = 1.04 / (m as f64).sqrt();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_sterr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atomic-hyperloglog` (bench "multithreaded") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "7fc48661bef3fced25c09fbc6dc8a5077848e92d43d76aa3b46eee9e21ed9340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fc48661bef3fced25c09fbc6dc8a5077848e92d43d76aa3b46eee9e21ed9340", kill_on_drop: false }`
[INFO] [stdout] 7fc48661bef3fced25c09fbc6dc8a5077848e92d43d76aa3b46eee9e21ed9340
[INFO] checking atomic-hyperloglog-0.1.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate atomic-hyperloglog 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate atomic-hyperloglog 0.1.0 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atomic-hyperloglog 0.1.0
[INFO] finished tweaking crates.io crate atomic-hyperloglog 0.1.0
[INFO] tweaked toml for crates.io crate atomic-hyperloglog 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f24f37c52eb65e35059fada9472514751ce43d888147d6074f79f034d9c435d8
[INFO] running `Command { std: "docker" "start" "-a" "f24f37c52eb65e35059fada9472514751ce43d888147d6074f79f034d9c435d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f24f37c52eb65e35059fada9472514751ce43d888147d6074f79f034d9c435d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f24f37c52eb65e35059fada9472514751ce43d888147d6074f79f034d9c435d8", kill_on_drop: false }`
[INFO] [stdout] f24f37c52eb65e35059fada9472514751ce43d888147d6074f79f034d9c435d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 568d9011519359af29132d39d16ccaa65c578e1e4257bf88868761d826d62b6f
[INFO] running `Command { std: "docker" "start" "-a" "568d9011519359af29132d39d16ccaa65c578e1e4257bf88868761d826d62b6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking bytecount v0.6.7
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking atomic-hyperloglog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking papergrid v0.9.1
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking clap v4.5.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tabled_derive v0.6.0
[INFO] [stderr]     Checking tabled v0.12.2
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] error[E0432]: unresolved import `hyperloglog`
[INFO] [stdout]  --> benches/merge.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use hyperloglog::HyperLogLog;
[INFO] [stdout]   |     ^^^^^^^^^^^ use of undeclared crate or module `hyperloglog`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hyperloglog`
[INFO] [stdout]  --> benches/simple.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use hyperloglog::HyperLogLog;
[INFO] [stdout]   |     ^^^^^^^^^^^ use of undeclared crate or module `hyperloglog`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BenchmarkGroup`, `criterion_group`, `measurement::WallTime`
[INFO] [stdout]  --> benches/merge.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use criterion::{criterion_group, criterion_main, Criterion, BenchmarkGroup, measurement::WallTime};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^                             ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `hyperloglog`
[INFO] [stdout]   --> benches/multithreaded.rs:89:19
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let hll = hyperloglog::HyperLogLog::new(BuildHasherDefault::<SeaHasher>::default(), b);
[INFO] [stdout]    |                   ^^^^^^^^^^^ use of undeclared crate or module `hyperloglog`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use atomic_hyperloglog::HyperLogLog;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `HyperLogLog`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 89 -         let hll = hyperloglog::HyperLogLog::new(BuildHasherDefault::<SeaHasher>::default(), b);
[INFO] [stdout] 89 +         let hll = HyperLogLog::new(BuildHasherDefault::<SeaHasher>::default(), b);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> benches/multithreaded.rs:1:53
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{hash::BuildHasherDefault, time::{Instant, Duration}};
[INFO] [stdout]   |                                                     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atomic-hyperloglog` (bench "merge") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `atomic-hyperloglog` (bench "simple") due to 2 previous errors
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atomic-hyperloglog` (bench "multithreaded") due to 2 previous errors; 1 warning emitted
[INFO] [stdout] warning: unused variable: `sterr`
[INFO] [stdout]    --> src/lib.rs:351:13
[INFO] [stdout]     |
[INFO] [stdout] 351 |         let sterr = 1.04 / (m as f64).sqrt();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_sterr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "568d9011519359af29132d39d16ccaa65c578e1e4257bf88868761d826d62b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "568d9011519359af29132d39d16ccaa65c578e1e4257bf88868761d826d62b6f", kill_on_drop: false }`
[INFO] [stdout] 568d9011519359af29132d39d16ccaa65c578e1e4257bf88868761d826d62b6f
