[INFO] fetching crate standard_deviation 0.1.1...
[INFO] building standard_deviation-0.1.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate standard_deviation 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate standard_deviation 0.1.1
[INFO] finished tweaking crates.io crate standard_deviation 0.1.1
[INFO] tweaked toml for crates.io crate standard_deviation 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate standard_deviation 0.1.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate standard_deviation 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a84a5171a964245633c0779228621b6776f934101d3204cca7cf38696084e2fb
[INFO] running `Command { std: "docker" "start" "-a" "a84a5171a964245633c0779228621b6776f934101d3204cca7cf38696084e2fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a84a5171a964245633c0779228621b6776f934101d3204cca7cf38696084e2fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a84a5171a964245633c0779228621b6776f934101d3204cca7cf38696084e2fb", kill_on_drop: false }`
[INFO] [stdout] a84a5171a964245633c0779228621b6776f934101d3204cca7cf38696084e2fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3658df3cff1ed04ae403286a011c00df939246389b9431b2a7e7fd801aa58c63
[INFO] running `Command { std: "docker" "start" "-a" "3658df3cff1ed04ae403286a011c00df939246389b9431b2a7e7fd801aa58c63", kill_on_drop: false }`
[INFO] [stderr]    Compiling standard_deviation v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/lib.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{io::{self, Write}, str::FromStr, num::{ParseIntError, ParseFloatError}, process};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "3658df3cff1ed04ae403286a011c00df939246389b9431b2a7e7fd801aa58c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3658df3cff1ed04ae403286a011c00df939246389b9431b2a7e7fd801aa58c63", kill_on_drop: false }`
[INFO] [stdout] 3658df3cff1ed04ae403286a011c00df939246389b9431b2a7e7fd801aa58c63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70c948283568e9e5632273288218ab69baa41caaee8f2ce78a3a4897ecffea65
[INFO] running `Command { std: "docker" "start" "-a" "70c948283568e9e5632273288218ab69baa41caaee8f2ce78a3a4897ecffea65", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/lib.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{io::{self, Write}, str::FromStr, num::{ParseIntError, ParseFloatError}, process};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling standard_deviation v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/lib.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{io::{self, Write}, str::FromStr, num::{ParseIntError, ParseFloatError}, process};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "70c948283568e9e5632273288218ab69baa41caaee8f2ce78a3a4897ecffea65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c948283568e9e5632273288218ab69baa41caaee8f2ce78a3a4897ecffea65", kill_on_drop: false }`
[INFO] [stdout] 70c948283568e9e5632273288218ab69baa41caaee8f2ce78a3a4897ecffea65