[INFO] fetching crate simple_stats 0.1.1...
[INFO] checking simple_stats-0.1.1 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate simple_stats 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate simple_stats 0.1.1 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple_stats 0.1.1
[INFO] finished tweaking crates.io crate simple_stats 0.1.1
[INFO] tweaked toml for crates.io crate simple_stats 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d77a97cc311b4d9da0f246f4efd3d21099eabe75662b4713108ab08fa128106f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d77a97cc311b4d9da0f246f4efd3d21099eabe75662b4713108ab08fa128106f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d77a97cc311b4d9da0f246f4efd3d21099eabe75662b4713108ab08fa128106f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d77a97cc311b4d9da0f246f4efd3d21099eabe75662b4713108ab08fa128106f", kill_on_drop: false }`
[INFO] [stdout] d77a97cc311b4d9da0f246f4efd3d21099eabe75662b4713108ab08fa128106f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddcd8f230dff1f9dcf0e9f2f2dd502d9d5193c12181cb324501770accee53b9c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ddcd8f230dff1f9dcf0e9f2f2dd502d9d5193c12181cb324501770accee53b9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking simple_stats v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]   --> src/univariate_.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 |           One,
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]   --> src/univariate_.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 |           Zero};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]   --> src/stats_.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |           One,
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]   --> src/stats_.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 |           Zero};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]   --> src/univariate_.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 |           One,
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]   --> src/univariate_.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 |           Zero};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]   --> src/stats_.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |           One,
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]   --> src/stats_.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 |           Zero};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.73s
[INFO] running `Command { std: "docker" "inspect" "ddcd8f230dff1f9dcf0e9f2f2dd502d9d5193c12181cb324501770accee53b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddcd8f230dff1f9dcf0e9f2f2dd502d9d5193c12181cb324501770accee53b9c", kill_on_drop: false }`
[INFO] [stdout] ddcd8f230dff1f9dcf0e9f2f2dd502d9d5193c12181cb324501770accee53b9c