[INFO] fetching crate statistical-tests-rs 0.1.2...
[INFO] testing statistical-tests-rs-0.1.2 against try#028592fec99e54cc92def5a2a849c673b066dd93 for pr-146098
[INFO] extracting crate statistical-tests-rs 0.1.2 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate statistical-tests-rs 0.1.2 on toolchain 028592fec99e54cc92def5a2a849c673b066dd93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+028592fec99e54cc92def5a2a849c673b066dd93" "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" "+028592fec99e54cc92def5a2a849c673b066dd93" "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" "+028592fec99e54cc92def5a2a849c673b066dd93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+028592fec99e54cc92def5a2a849c673b066dd93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e80c019c1331b9990499d3041875d7eb2939d043b7fb479634a58afe701e5d63
[INFO] running `Command { std: "docker" "start" "-a" "e80c019c1331b9990499d3041875d7eb2939d043b7fb479634a58afe701e5d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e80c019c1331b9990499d3041875d7eb2939d043b7fb479634a58afe701e5d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80c019c1331b9990499d3041875d7eb2939d043b7fb479634a58afe701e5d63", kill_on_drop: false }`
[INFO] [stdout] e80c019c1331b9990499d3041875d7eb2939d043b7fb479634a58afe701e5d63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+028592fec99e54cc92def5a2a849c673b066dd93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f32e9801edc6048156244121954a724bc5d2e9736b3e6c7832f587f94132d1b
[INFO] running `Command { std: "docker" "start" "-a" "8f32e9801edc6048156244121954a724bc5d2e9736b3e6c7832f587f94132d1b", 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 0.06s
[INFO] running `Command { std: "docker" "inspect" "8f32e9801edc6048156244121954a724bc5d2e9736b3e6c7832f587f94132d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f32e9801edc6048156244121954a724bc5d2e9736b3e6c7832f587f94132d1b", kill_on_drop: false }`
[INFO] [stdout] 8f32e9801edc6048156244121954a724bc5d2e9736b3e6c7832f587f94132d1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+028592fec99e54cc92def5a2a849c673b066dd93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfa4f4d69b204664854787232ee718883d66e90af635e209ff5e4f737d51bd0f
[INFO] running `Command { std: "docker" "start" "-a" "dfa4f4d69b204664854787232ee718883d66e90af635e209ff5e4f737d51bd0f", 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 0.11s
[INFO] running `Command { std: "docker" "inspect" "dfa4f4d69b204664854787232ee718883d66e90af635e209ff5e4f737d51bd0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfa4f4d69b204664854787232ee718883d66e90af635e209ff5e4f737d51bd0f", kill_on_drop: false }`
[INFO] [stdout] dfa4f4d69b204664854787232ee718883d66e90af635e209ff5e4f737d51bd0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+028592fec99e54cc92def5a2a849c673b066dd93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1343cd51d35f01b6167e01978b07cb12acf1f96b5631e66a7211588c25f8de4d
[INFO] running `Command { std: "docker" "start" "-a" "1343cd51d35f01b6167e01978b07cb12acf1f96b5631e66a7211588c25f8de4d", 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 0.01s
[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::population_standard_deviation_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] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "1343cd51d35f01b6167e01978b07cb12acf1f96b5631e66a7211588c25f8de4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1343cd51d35f01b6167e01978b07cb12acf1f96b5631e66a7211588c25f8de4d", kill_on_drop: false }`
[INFO] [stdout] 1343cd51d35f01b6167e01978b07cb12acf1f96b5631e66a7211588c25f8de4d