[INFO] fetching crate standard_deviation 0.1.1...
[INFO] building standard_deviation-0.1.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate standard_deviation 0.1.1 into /workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate standard_deviation 0.1.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 017d1f15e5aabecbd2b4b3c1e4f2fb68699e7e69a8787fd3ffe870ea046b0a04
[INFO] running `Command { std: "docker" "start" "-a" "017d1f15e5aabecbd2b4b3c1e4f2fb68699e7e69a8787fd3ffe870ea046b0a04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "017d1f15e5aabecbd2b4b3c1e4f2fb68699e7e69a8787fd3ffe870ea046b0a04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "017d1f15e5aabecbd2b4b3c1e4f2fb68699e7e69a8787fd3ffe870ea046b0a04", kill_on_drop: false }`
[INFO] [stdout] 017d1f15e5aabecbd2b4b3c1e4f2fb68699e7e69a8787fd3ffe870ea046b0a04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44efc4d63ab92ac81487ad7273e91c7301924a862b5ba4cb50415d9ae9c869dd
[INFO] running `Command { std: "docker" "start" "-a" "44efc4d63ab92ac81487ad7273e91c7301924a862b5ba4cb50415d9ae9c869dd", 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 0.57s
[INFO] running `Command { std: "docker" "inspect" "44efc4d63ab92ac81487ad7273e91c7301924a862b5ba4cb50415d9ae9c869dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44efc4d63ab92ac81487ad7273e91c7301924a862b5ba4cb50415d9ae9c869dd", kill_on_drop: false }`
[INFO] [stdout] 44efc4d63ab92ac81487ad7273e91c7301924a862b5ba4cb50415d9ae9c869dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62d60e47bd8d9d4537d05f7516ea31f12d25d2f60ff3c24ae9f1a4069ab2481d
[INFO] running `Command { std: "docker" "start" "-a" "62d60e47bd8d9d4537d05f7516ea31f12d25d2f60ff3c24ae9f1a4069ab2481d", 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" "62d60e47bd8d9d4537d05f7516ea31f12d25d2f60ff3c24ae9f1a4069ab2481d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62d60e47bd8d9d4537d05f7516ea31f12d25d2f60ff3c24ae9f1a4069ab2481d", kill_on_drop: false }`
[INFO] [stdout] 62d60e47bd8d9d4537d05f7516ea31f12d25d2f60ff3c24ae9f1a4069ab2481d