[INFO] cloning repository https://github.com/tea551234/guess_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tea551234/guess_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftea551234%2Fguess_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftea551234%2Fguess_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24676321b589afa8afb408460ff708bb44b78dec
[INFO] checking tea551234/guess_game against master#453ceafce32ef8108c604bca5e165ab41d3d6d8c for pr-124187
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftea551234%2Fguess_game" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tea551234/guess_game on toolchain 453ceafce32ef8108c604bca5e165ab41d3d6d8c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+453ceafce32ef8108c604bca5e165ab41d3d6d8c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tea551234/guess_game
[INFO] finished tweaking git repo https://github.com/tea551234/guess_game
[INFO] tweaked toml for git repo https://github.com/tea551234/guess_game written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tea551234/guess_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+453ceafce32ef8108c604bca5e165ab41d3d6d8c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+453ceafce32ef8108c604bca5e165ab41d3d6d8c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5e448ab7970309f68e11ff97e88704c7c024497f6fd8a16e209f38fa9f6f1f8
[INFO] running `Command { std: "docker" "start" "-a" "d5e448ab7970309f68e11ff97e88704c7c024497f6fd8a16e209f38fa9f6f1f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5e448ab7970309f68e11ff97e88704c7c024497f6fd8a16e209f38fa9f6f1f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5e448ab7970309f68e11ff97e88704c7c024497f6fd8a16e209f38fa9f6f1f8", kill_on_drop: false }`
[INFO] [stdout] d5e448ab7970309f68e11ff97e88704c7c024497f6fd8a16e209f38fa9f6f1f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+453ceafce32ef8108c604bca5e165ab41d3d6d8c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a61b4ef08b3731ca503119c0d30060318d5dfd24bbb4302f7b19dacd125a33fb
[INFO] running `Command { std: "docker" "start" "-a" "a61b4ef08b3731ca503119c0d30060318d5dfd24bbb4302f7b19dacd125a33fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcTjMWxD/symbols.o" "/opt/rustwide/target/debug/build/libc-454ff1fac8be00e7/build_script_build-454ff1fac8be00e7.build_script_build.931f5eac87ade0fc-cgu.0.rcgu.o" "/opt/rustwide/target/debug/build/libc-454ff1fac8be00e7/build_script_build-454ff1fac8be00e7.build_script_build.931f5eac87ade0fc-cgu.1.rcgu.o" "/opt/rustwide/target/debug/build/libc-454ff1fac8be00e7/build_script_build-454ff1fac8be00e7.build_script_build.931f5eac87ade0fc-cgu.2.rcgu.o" "/opt/rustwide/target/debug/build/libc-454ff1fac8be00e7/build_script_build-454ff1fac8be00e7.build_script_build.931f5eac87ade0fc-cgu.3.rcgu.o" "/opt/rustwide/target/debug/build/libc-454ff1fac8be00e7/build_script_build-454ff1fac8be00e7.3o0b356zp8y1n69u.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9579298f7adeed43.rlib" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-30ebcfe9aa7a4196.rlib" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-447055add1ba8c49.rlib" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-d5850394f5e88a83.rlib" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-2f44910628f7ca43.rlib" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-3dd11e65597a5ea4.rlib" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d165f4a7abbb9616.rlib" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-3781141152ab7425.rlib" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-5040104958e026fe.rlib" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-5437a8743ef2c818.rlib" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-d68ee5585c16f3ee.rlib" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-366f17269992a057.rlib" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-cdbf121704652761.rlib" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-63a7ba8ec01639e9.rlib" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8c4c4e24ed6290fa.rlib" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-58a6a8f1c6263bc9.rlib" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9686387289eaa322.rlib" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-5b4c158c083efc1f.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/453ceafce32ef8108c604bca5e165ab41d3d6d8c/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/build/libc-454ff1fac8be00e7/build_script_build-454ff1fac8be00e7" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: final link failed: No space left on device
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libc` (build script) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a61b4ef08b3731ca503119c0d30060318d5dfd24bbb4302f7b19dacd125a33fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a61b4ef08b3731ca503119c0d30060318d5dfd24bbb4302f7b19dacd125a33fb", kill_on_drop: false }`
[INFO] [stdout] a61b4ef08b3731ca503119c0d30060318d5dfd24bbb4302f7b19dacd125a33fb
[INFO] checking tea551234/guess_game against try#773c42f0166e62a538b8fa36161b0c6df69a9640 for pr-124187
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftea551234%2Fguess_game" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tea551234/guess_game on toolchain 773c42f0166e62a538b8fa36161b0c6df69a9640
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+773c42f0166e62a538b8fa36161b0c6df69a9640" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tea551234/guess_game
[INFO] finished tweaking git repo https://github.com/tea551234/guess_game
[INFO] tweaked toml for git repo https://github.com/tea551234/guess_game written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tea551234/guess_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+773c42f0166e62a538b8fa36161b0c6df69a9640" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+773c42f0166e62a538b8fa36161b0c6df69a9640" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6c3747dc5481d44e3b50cf40feca19542700bd9117cdc0ff654acfb5eda2333
[INFO] running `Command { std: "docker" "start" "-a" "d6c3747dc5481d44e3b50cf40feca19542700bd9117cdc0ff654acfb5eda2333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6c3747dc5481d44e3b50cf40feca19542700bd9117cdc0ff654acfb5eda2333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c3747dc5481d44e3b50cf40feca19542700bd9117cdc0ff654acfb5eda2333", kill_on_drop: false }`
[INFO] [stdout] d6c3747dc5481d44e3b50cf40feca19542700bd9117cdc0ff654acfb5eda2333
[INFO] checking tea551234/guess_game against try#773c42f0166e62a538b8fa36161b0c6df69a9640 for pr-124187
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftea551234%2Fguess_game" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tea551234/guess_game on toolchain 773c42f0166e62a538b8fa36161b0c6df69a9640
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+773c42f0166e62a538b8fa36161b0c6df69a9640" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tea551234/guess_game
[INFO] finished tweaking git repo https://github.com/tea551234/guess_game
[INFO] tweaked toml for git repo https://github.com/tea551234/guess_game written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tea551234/guess_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+773c42f0166e62a538b8fa36161b0c6df69a9640" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+773c42f0166e62a538b8fa36161b0c6df69a9640" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02edf400b242300a6599b07b1e7120f16a270665f77e80d70be4796f8079c34f
[INFO] running `Command { std: "docker" "start" "-a" "02edf400b242300a6599b07b1e7120f16a270665f77e80d70be4796f8079c34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02edf400b242300a6599b07b1e7120f16a270665f77e80d70be4796f8079c34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02edf400b242300a6599b07b1e7120f16a270665f77e80d70be4796f8079c34f", kill_on_drop: false }`
[INFO] [stdout] 02edf400b242300a6599b07b1e7120f16a270665f77e80d70be4796f8079c34f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+773c42f0166e62a538b8fa36161b0c6df69a9640" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d4ab50983a24391519bf7dad02a09314d721b178664bd2d89129cb3531da988
[INFO] running `Command { std: "docker" "start" "-a" "1d4ab50983a24391519bf7dad02a09314d721b178664bd2d89129cb3531da988", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking guess_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `t` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type t = (i32, f64);
[INFO] [stdout]   |      ^ help: convert the identifier to upper camel case: `T`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `t` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type t = (i32, f64);
[INFO] [stdout]   |      ^ help: convert the identifier to upper camel case: `T`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let (x, y) = tup;
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let d: [i32; 5] = [3; 5]; //array [ type : length]
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let f = if number < 0 { 1 } else { 2 };
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let (x, y) = tup;
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let d: [i32; 5] = [3; 5]; //array [ type : length]
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let f = if number < 0 { 1 } else { 2 };
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "1d4ab50983a24391519bf7dad02a09314d721b178664bd2d89129cb3531da988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d4ab50983a24391519bf7dad02a09314d721b178664bd2d89129cb3531da988", kill_on_drop: false }`
[INFO] [stdout] 1d4ab50983a24391519bf7dad02a09314d721b178664bd2d89129cb3531da988