[INFO] fetching crate statistics 0.4.1...
[INFO] testing statistics-0.4.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate statistics 0.4.1 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate statistics 0.4.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate statistics 0.4.1
[INFO] finished tweaking crates.io crate statistics 0.4.1
[INFO] tweaked toml for crates.io crate statistics 0.4.1 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa12460f981fa0db2614abab26b626f2711c2ca0e6aa230b207394efe4551b10
[INFO] running `Command { std: "docker" "start" "-a" "aa12460f981fa0db2614abab26b626f2711c2ca0e6aa230b207394efe4551b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa12460f981fa0db2614abab26b626f2711c2ca0e6aa230b207394efe4551b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa12460f981fa0db2614abab26b626f2711c2ca0e6aa230b207394efe4551b10", kill_on_drop: false }`
[INFO] [stdout] aa12460f981fa0db2614abab26b626f2711c2ca0e6aa230b207394efe4551b10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aea4a102752eb7e53f23848e068510a7e9fc81fb3e0e86c8287e7d396484be96
[INFO] running `Command { std: "docker" "start" "-a" "aea4a102752eb7e53f23848e068510a7e9fc81fb3e0e86c8287e7d396484be96", kill_on_drop: false }`
[INFO] [stderr]    Compiling statistics v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/real.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn from_natural(usize) -> Self;
[INFO] [stdout]    |                     ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "aea4a102752eb7e53f23848e068510a7e9fc81fb3e0e86c8287e7d396484be96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea4a102752eb7e53f23848e068510a7e9fc81fb3e0e86c8287e7d396484be96", kill_on_drop: false }`
[INFO] [stdout] aea4a102752eb7e53f23848e068510a7e9fc81fb3e0e86c8287e7d396484be96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d50f4a0aa817656ec835d1cc8138121281bc2ae0ba9ced1e319864415470cc3
[INFO] running `Command { std: "docker" "start" "-a" "5d50f4a0aa817656ec835d1cc8138121281bc2ae0ba9ced1e319864415470cc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert v0.7.4
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/real.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn from_natural(usize) -> Self;
[INFO] [stdout]    |                     ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling statistics v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/real.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn from_natural(usize) -> Self;
[INFO] [stdout]    |                     ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "5d50f4a0aa817656ec835d1cc8138121281bc2ae0ba9ced1e319864415470cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d50f4a0aa817656ec835d1cc8138121281bc2ae0ba9ced1e319864415470cc3", kill_on_drop: false }`
[INFO] [stdout] 5d50f4a0aa817656ec835d1cc8138121281bc2ae0ba9ced1e319864415470cc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 642c1b805ef17b9f64d9d982837b7d4bb8bc64b8bd0484e4e2aa7d4c7e0e9b26
[INFO] running `Command { std: "docker" "start" "-a" "642c1b805ef17b9f64d9d982837b7d4bb8bc64b8bd0484e4e2aa7d4c7e0e9b26", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/real.rs:12:21
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn from_natural(usize) -> Self;
[INFO] [stderr]    |                     ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: `statistics` (lib) generated 1 warning
[INFO] [stderr] warning: `statistics` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/statistics-c02d92bd6217fd6b)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test moment::tests::mean ... ok
[INFO] [stdout] test moment::tests::mean_0 ... ok
[INFO] [stdout] test moment::tests::variance ... ok
[INFO] [stdout] test moment::tests::variance_0 ... ok
[INFO] [stdout] test moment::tests::variance_1 ... 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 statistics
[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" "642c1b805ef17b9f64d9d982837b7d4bb8bc64b8bd0484e4e2aa7d4c7e0e9b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "642c1b805ef17b9f64d9d982837b7d4bb8bc64b8bd0484e4e2aa7d4c7e0e9b26", kill_on_drop: false }`
[INFO] [stdout] 642c1b805ef17b9f64d9d982837b7d4bb8bc64b8bd0484e4e2aa7d4c7e0e9b26