[INFO] fetching crate standard_deviation 0.1.1...
[INFO] testing standard_deviation-0.1.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate standard_deviation 0.1.1 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate standard_deviation 0.1.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a8dbe2b8d876144e8f4edc56a3506362b1be9ef29265d7ae92636ce45cd2ef1
[INFO] running `Command { std: "docker" "start" "-a" "7a8dbe2b8d876144e8f4edc56a3506362b1be9ef29265d7ae92636ce45cd2ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a8dbe2b8d876144e8f4edc56a3506362b1be9ef29265d7ae92636ce45cd2ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a8dbe2b8d876144e8f4edc56a3506362b1be9ef29265d7ae92636ce45cd2ef1", kill_on_drop: false }`
[INFO] [stdout] 7a8dbe2b8d876144e8f4edc56a3506362b1be9ef29265d7ae92636ce45cd2ef1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cca697c14f3b4651281aac27b56b810892757011425cabaec18aa21962d8dd4a
[INFO] running `Command { std: "docker" "start" "-a" "cca697c14f3b4651281aac27b56b810892757011425cabaec18aa21962d8dd4a", 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 1.15s
[INFO] running `Command { std: "docker" "inspect" "cca697c14f3b4651281aac27b56b810892757011425cabaec18aa21962d8dd4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca697c14f3b4651281aac27b56b810892757011425cabaec18aa21962d8dd4a", kill_on_drop: false }`
[INFO] [stdout] cca697c14f3b4651281aac27b56b810892757011425cabaec18aa21962d8dd4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7676f795ddc702b10e90cef991265b06fd66cbe5d6ae251ea920772f53aed33f
[INFO] running `Command { std: "docker" "start" "-a" "7676f795ddc702b10e90cef991265b06fd66cbe5d6ae251ea920772f53aed33f", 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 0.54s
[INFO] running `Command { std: "docker" "inspect" "7676f795ddc702b10e90cef991265b06fd66cbe5d6ae251ea920772f53aed33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7676f795ddc702b10e90cef991265b06fd66cbe5d6ae251ea920772f53aed33f", kill_on_drop: false }`
[INFO] [stdout] 7676f795ddc702b10e90cef991265b06fd66cbe5d6ae251ea920772f53aed33f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cb44594ba1c9df7dc709cc285dd0c244637e5a9181929e9240122bae4f1ddc1e
[INFO] running `Command { std: "docker" "start" "-a" "cb44594ba1c9df7dc709cc285dd0c244637e5a9181929e9240122bae4f1ddc1e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/lib.rs:8:22
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{io::{self, Write}, str::FromStr, num::{ParseIntError, ParseFloatError}, process};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `standard_deviation` (lib) generated 1 warning (run `cargo fix --lib -p standard_deviation` to apply 1 suggestion)
[INFO] [stderr] warning: `standard_deviation` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/standard_deviation-d65b30674dc978a8)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/standard_deviation-1f02a6e858db8421)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests standard_deviation
[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" "cb44594ba1c9df7dc709cc285dd0c244637e5a9181929e9240122bae4f1ddc1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb44594ba1c9df7dc709cc285dd0c244637e5a9181929e9240122bae4f1ddc1e", kill_on_drop: false }`
[INFO] [stdout] cb44594ba1c9df7dc709cc285dd0c244637e5a9181929e9240122bae4f1ddc1e