[INFO] fetching crate statistical-tests-rs 0.1.2...
[INFO] testing statistical-tests-rs-0.1.2 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate statistical-tests-rs 0.1.2 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate statistical-tests-rs 0.1.2 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7628bc91d4d81553a84513f922a67a1062dc4f1d628e784234892d5b941910c
[INFO] running `Command { std: "docker" "start" "-a" "c7628bc91d4d81553a84513f922a67a1062dc4f1d628e784234892d5b941910c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7628bc91d4d81553a84513f922a67a1062dc4f1d628e784234892d5b941910c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7628bc91d4d81553a84513f922a67a1062dc4f1d628e784234892d5b941910c", kill_on_drop: false }`
[INFO] [stdout] c7628bc91d4d81553a84513f922a67a1062dc4f1d628e784234892d5b941910c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf0b93553cab91bcc399b0a837586a11cb3b61e3adf40586592a6224fe5345d2
[INFO] running `Command { std: "docker" "start" "-a" "cf0b93553cab91bcc399b0a837586a11cb3b61e3adf40586592a6224fe5345d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling statistical-tests-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[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] running `Command { std: "docker" "inspect" "cf0b93553cab91bcc399b0a837586a11cb3b61e3adf40586592a6224fe5345d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf0b93553cab91bcc399b0a837586a11cb3b61e3adf40586592a6224fe5345d2", kill_on_drop: false }`
[INFO] [stdout] cf0b93553cab91bcc399b0a837586a11cb3b61e3adf40586592a6224fe5345d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] deeafeb377c14141412b70d92fb6e0785ad85b4309cb30b314b4a6684c8faaec
[INFO] running `Command { std: "docker" "start" "-a" "deeafeb377c14141412b70d92fb6e0785ad85b4309cb30b314b4a6684c8faaec", kill_on_drop: false }`
[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]    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 `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "deeafeb377c14141412b70d92fb6e0785ad85b4309cb30b314b4a6684c8faaec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deeafeb377c14141412b70d92fb6e0785ad85b4309cb30b314b4a6684c8faaec", kill_on_drop: false }`
[INFO] [stdout] deeafeb377c14141412b70d92fb6e0785ad85b4309cb30b314b4a6684c8faaec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 36efe197a6586f20426680c32666ce4c04e4a49749f89724368cd258c81447c6
[INFO] running `Command { std: "docker" "start" "-a" "36efe197a6586f20426680c32666ce4c04e4a49749f89724368cd258c81447c6", 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 0.04s
[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::population_standard_deviation_test ... ok
[INFO] [stdout] test tests::samp_stats_from_array_test ... ok
[INFO] [stdout] test tests::pop_stats_from_array_test ... ok
[INFO] [stdout] test tests::sample_standard_deviation_test ... ok
[INFO] [stdout] test tests::mean_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests statistical_tests_rs
[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" "36efe197a6586f20426680c32666ce4c04e4a49749f89724368cd258c81447c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36efe197a6586f20426680c32666ce4c04e4a49749f89724368cd258c81447c6", kill_on_drop: false }`
[INFO] [stdout] 36efe197a6586f20426680c32666ce4c04e4a49749f89724368cd258c81447c6