[INFO] fetching crate statistical-tests-rs 0.1.2...
[INFO] testing statistical-tests-rs-0.1.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate statistical-tests-rs 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate statistical-tests-rs 0.1.2
[INFO] finished tweaking crates.io crate statistical-tests-rs 0.1.2
[INFO] tweaked toml for crates.io crate statistical-tests-rs 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate statistical-tests-rs 0.1.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e7ebb359378d4a6afb080d8d89865abd290d6879fa0f11ff5614f5448329638
[INFO] running `Command { std: "docker" "start" "-a" "0e7ebb359378d4a6afb080d8d89865abd290d6879fa0f11ff5614f5448329638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e7ebb359378d4a6afb080d8d89865abd290d6879fa0f11ff5614f5448329638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e7ebb359378d4a6afb080d8d89865abd290d6879fa0f11ff5614f5448329638", kill_on_drop: false }`
[INFO] [stdout] 0e7ebb359378d4a6afb080d8d89865abd290d6879fa0f11ff5614f5448329638
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f164f0c694241b5e2081ffc044e6bc58d190440d223adae1c9a55d07d259c7fe
[INFO] running `Command { std: "docker" "start" "-a" "f164f0c694241b5e2081ffc044e6bc58d190440d223adae1c9a55d07d259c7fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling statistical-tests-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `StandDev` is never used
[INFO] [stdout]   --> src/lib.rs:53:7
[INFO] [stdout]    |
[INFO] [stdout] 53 | trait StandDev {
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "f164f0c694241b5e2081ffc044e6bc58d190440d223adae1c9a55d07d259c7fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f164f0c694241b5e2081ffc044e6bc58d190440d223adae1c9a55d07d259c7fe", kill_on_drop: false }`
[INFO] [stdout] f164f0c694241b5e2081ffc044e6bc58d190440d223adae1c9a55d07d259c7fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56c34e286ee3ea2f68e604bca069b3af639989cfdedbd6fb279d28313c779d4c
[INFO] running `Command { std: "docker" "start" "-a" "56c34e286ee3ea2f68e604bca069b3af639989cfdedbd6fb279d28313c779d4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling statistical-tests-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `StandDev` is never used
[INFO] [stdout]   --> src/lib.rs:53:7
[INFO] [stdout]    |
[INFO] [stdout] 53 | trait StandDev {
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StandDev` is never used
[INFO] [stdout]   --> src/lib.rs:53:7
[INFO] [stdout]    |
[INFO] [stdout] 53 | trait StandDev {
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "56c34e286ee3ea2f68e604bca069b3af639989cfdedbd6fb279d28313c779d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c34e286ee3ea2f68e604bca069b3af639989cfdedbd6fb279d28313c779d4c", kill_on_drop: false }`
[INFO] [stdout] 56c34e286ee3ea2f68e604bca069b3af639989cfdedbd6fb279d28313c779d4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0432d3a53136078008276b17487f0136a07444fc4c05d21bec0532c421f2f491
[INFO] running `Command { std: "docker" "start" "-a" "0432d3a53136078008276b17487f0136a07444fc4c05d21bec0532c421f2f491", kill_on_drop: false }`
[INFO] [stderr] warning: trait `StandDev` is never used
[INFO] [stderr]   --> src/lib.rs:53:7
[INFO] [stderr]    |
[INFO] [stderr] 53 | trait StandDev {
[INFO] [stderr]    |       ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `statistical-tests-rs` (lib) generated 1 warning
[INFO] [stderr] warning: `statistical-tests-rs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/statistical_tests_rs-423d1fef1f90c060)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::mean_test ... ok
[INFO] [stdout] test tests::pop_stats_from_array_test ... ok
[INFO] [stdout] test tests::samp_stats_from_array_test ... ok
[INFO] [stdout] test tests::sample_standard_deviation_test ... ok
[INFO] [stderr]    Doc-tests statistical_tests_rs
[INFO] [stdout] test tests::population_standard_deviation_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[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" "0432d3a53136078008276b17487f0136a07444fc4c05d21bec0532c421f2f491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0432d3a53136078008276b17487f0136a07444fc4c05d21bec0532c421f2f491", kill_on_drop: false }`
[INFO] [stdout] 0432d3a53136078008276b17487f0136a07444fc4c05d21bec0532c421f2f491