[INFO] cloning repository https://github.com/kyssion/rust_study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kyssion/rust_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyssion%2Frust_study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyssion%2Frust_study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f694861f8822bdccd16043ca5aca0e4d39d56927
[INFO] testing kyssion/rust_study against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyssion%2Frust_study" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kyssion/rust_study on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kyssion/rust_study
[INFO] finished tweaking git repo https://github.com/kyssion/rust_study
[INFO] tweaked toml for git repo https://github.com/kyssion/rust_study written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/kyssion/rust_study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b329d23579eba59e416b002527d5f377305dff148dd9c464aef0181e88fe074
[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" "2b329d23579eba59e416b002527d5f377305dff148dd9c464aef0181e88fe074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b329d23579eba59e416b002527d5f377305dff148dd9c464aef0181e88fe074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b329d23579eba59e416b002527d5f377305dff148dd9c464aef0181e88fe074", kill_on_drop: false }`
[INFO] [stdout] 2b329d23579eba59e416b002527d5f377305dff148dd9c464aef0181e88fe074
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47e348d030f20229e509552f20a6ccf438b6cf0926a95b8e47e2ed2237c1c4cf
[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" "47e348d030f20229e509552f20a6ccf438b6cf0926a95b8e47e2ed2237c1c4cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `f65` in this scope
[INFO] [stdout]   --> src/rust0006_collection.rs:27:15
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Float(f65),
[INFO] [stdout]    |               ^^^ help: a builtin type with a similar name exists: `f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Coin`, `test_match`
[INFO] [stdout]  --> src/main.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::rust0004_enum_and_match::{test_match, Coin};
[INFO] [stdout]   |                                      ^^^^^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/rust0001_var_and_control_flow.rs:70:15
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let i = if(i>3){
[INFO] [stdout]    |               ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iter::Sum`
[INFO] [stdout]  --> src/rust0000_official_example.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{cmp::Ordering, iter::Sum};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/rust0004_enum_and_match.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/rust0004_enum_and_match.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NO_MESSAGE` should have an upper camel case name
[INFO] [stdout]   --> src/rust0004_enum_and_match.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     NO_MESSAGE(),
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `NoMessage`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `INT_MESSAGE` should have an upper camel case name
[INFO] [stdout]   --> src/rust0004_enum_and_match.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     INT_MESSAGE(i32,i32),
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `IntMessage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `STR_MESSAGE` should have an upper camel case name
[INFO] [stdout]   --> src/rust0004_enum_and_match.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     STR_MESSAGE(String,String,String),
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `StrMessage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FLOAT_MESSAGE` should have an upper camel case name
[INFO] [stdout]   --> src/rust0004_enum_and_match.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     FLOAT_MESSAGE(f32,f64),
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `FloatMessage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `STRUCT_MESSAGE` should have an upper camel case name
[INFO] [stdout]   --> src/rust0004_enum_and_match.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     STRUCT_MESSAGE(TestStruct), //todo 结构体元组
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `StructMessage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DEFAULT_MESSAGE` should have an upper camel case name
[INFO] [stdout]   --> src/rust0004_enum_and_match.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     DEFAULT_MESSAGE{item_int:i32} //直接定义对象
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DefaultMessage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::rust0005_pakage_module_other::front_of_house::hosting as two`
[INFO] [stdout]   --> src/rust0005_pakage_module_other.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use crate::rust0005_pakage_module_other::front_of_house::hosting as two;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::front_of_house2::hosting::add_to_wait_list as one`
[INFO] [stdout]   --> src/rust0005_pakage_module_other.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | use self::front_of_house2::hosting::add_to_wait_list as one;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/rust0005_pakage_module_other.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]   --> src/rust0005_pakage_module_other.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | use std::fmt;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/rust0005_pakage_module_other.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cmp::Ordering`, `io`
[INFO] [stdout]   --> src/rust0005_pakage_module_other.rs:68:11
[INFO] [stdout]    |
[INFO] [stdout] 68 | use std::{cmp::Ordering,io};
[INFO] [stdout]    |           ^^^^^^^^^^^^^ ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::*`
[INFO] [stdout]   --> src/rust0005_pakage_module_other.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | use std::*;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_study`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "47e348d030f20229e509552f20a6ccf438b6cf0926a95b8e47e2ed2237c1c4cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e348d030f20229e509552f20a6ccf438b6cf0926a95b8e47e2ed2237c1c4cf", kill_on_drop: false }`
[INFO] [stdout] 47e348d030f20229e509552f20a6ccf438b6cf0926a95b8e47e2ed2237c1c4cf