[INFO] fetching crate statistical-tests-rs 0.1.2...
[INFO] testing statistical-tests-rs-0.1.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[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 dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a9e3adfe05fdec33578a3e87b19e516acd1fd1c72b5cb439725471deec47b10
[INFO] running `Command { std: "docker" "start" "-a" "9a9e3adfe05fdec33578a3e87b19e516acd1fd1c72b5cb439725471deec47b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a9e3adfe05fdec33578a3e87b19e516acd1fd1c72b5cb439725471deec47b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a9e3adfe05fdec33578a3e87b19e516acd1fd1c72b5cb439725471deec47b10", kill_on_drop: false }`
[INFO] [stdout] 9a9e3adfe05fdec33578a3e87b19e516acd1fd1c72b5cb439725471deec47b10
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9caa3adc802986684c91c1f74fec1d04a6bdd33f0b4107e35225fb476e838c8
[INFO] running `Command { std: "docker" "start" "-a" "e9caa3adc802986684c91c1f74fec1d04a6bdd33f0b4107e35225fb476e838c8", 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 0.13s
[INFO] running `Command { std: "docker" "inspect" "e9caa3adc802986684c91c1f74fec1d04a6bdd33f0b4107e35225fb476e838c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9caa3adc802986684c91c1f74fec1d04a6bdd33f0b4107e35225fb476e838c8", kill_on_drop: false }`
[INFO] [stdout] e9caa3adc802986684c91c1f74fec1d04a6bdd33f0b4107e35225fb476e838c8
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea130c6531e4b1918d7a601e3b2d578db119591980d3f802bf07f0c51451b30c
[INFO] running `Command { std: "docker" "start" "-a" "ea130c6531e4b1918d7a601e3b2d578db119591980d3f802bf07f0c51451b30c", 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 0.39s
[INFO] running `Command { std: "docker" "inspect" "ea130c6531e4b1918d7a601e3b2d578db119591980d3f802bf07f0c51451b30c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea130c6531e4b1918d7a601e3b2d578db119591980d3f802bf07f0c51451b30c", kill_on_drop: false }`
[INFO] [stdout] ea130c6531e4b1918d7a601e3b2d578db119591980d3f802bf07f0c51451b30c
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3f022bfcab734f9a7212e728ce5a8ff7ae26004fe2d592b2548e287aab427033
[INFO] running `Command { std: "docker" "start" "-a" "3f022bfcab734f9a7212e728ce5a8ff7ae26004fe2d592b2548e287aab427033", 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::pop_stats_from_array_test ... ok
[INFO] [stdout] test tests::population_standard_deviation_test ... ok
[INFO] [stdout] test tests::mean_test ... ok
[INFO] [stdout] test tests::sample_standard_deviation_test ... ok
[INFO] [stderr]    Doc-tests statistical_tests_rs
[INFO] [stdout] test tests::samp_stats_from_array_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] [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" "3f022bfcab734f9a7212e728ce5a8ff7ae26004fe2d592b2548e287aab427033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f022bfcab734f9a7212e728ce5a8ff7ae26004fe2d592b2548e287aab427033", kill_on_drop: false }`
[INFO] [stdout] 3f022bfcab734f9a7212e728ce5a8ff7ae26004fe2d592b2548e287aab427033