[INFO] cloning repository https://github.com/HYliangkai/rustStd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HYliangkai/rustStd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHYliangkai%2FrustStd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHYliangkai%2FrustStd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7a1c247499e45b5a8df66df974aaf61f52dbe31
[INFO] checking HYliangkai/rustStd/b7a1c247499e45b5a8df66df974aaf61f52dbe31 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHYliangkai%2FrustStd" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HYliangkai/rustStd on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HYliangkai/rustStd
[INFO] finished tweaking git repo https://github.com/HYliangkai/rustStd
[INFO] tweaked toml for git repo https://github.com/HYliangkai/rustStd written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/HYliangkai/rustStd 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b64d48166349cd61888e0930598459a0889fb179c7e35e8d693c9883803bf7ed
[INFO] running `Command { std: "docker" "start" "-a" "b64d48166349cd61888e0930598459a0889fb179c7e35e8d693c9883803bf7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b64d48166349cd61888e0930598459a0889fb179c7e35e8d693c9883803bf7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b64d48166349cd61888e0930598459a0889fb179c7e35e8d693c9883803bf7ed", kill_on_drop: false }`
[INFO] [stdout] b64d48166349cd61888e0930598459a0889fb179c7e35e8d693c9883803bf7ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8333219727a7c5f26426bc72dbb5c259dd71df2b92040a81ea27b54efff23d51
[INFO] running `Command { std: "docker" "start" "-a" "8333219727a7c5f26426bc72dbb5c259dd71df2b92040a81ea27b54efff23d51", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_std v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `File`, `OpenOptions`, `io::Write`, and `read_to_string`
[INFO] [stdout]  --> src/stda/FS.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ fs::{ read_to_string, File, OpenOptions }, io::Write };
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^  ^^^^  ^^^^^^^^^^^    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `SystemTime`, and `UNIX_EPOCH`
[INFO] [stdout]  --> src/stda/date.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File` and `read_to_string`
[INFO] [stdout]  --> src/stda/FS.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ fs::{ read_to_string, File, OpenOptions }, io::Write };
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/core/converter/from_into.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct B {
[INFO] [stdout]   |        - field in this struct
[INFO] [stdout] 5 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]  --> src/core/iter.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct NIterator {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 7 |     index: i32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sqp` is never used
[INFO] [stdout]   --> src/core/iter.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn sqp() {}
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `FS` should have a snake case name
[INFO] [stdout]  --> src/stda/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod FS;
[INFO] [stdout]   |         ^^ help: convert the identifier to snake case (notice the capitalization): `fs`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `IO` should have a snake case name
[INFO] [stdout]  --> src/stda/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub mod IO;
[INFO] [stdout]   |         ^^ help: convert the identifier to snake case (notice the capitalization): `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/core/converter/from_into.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let b: B = a.into();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bb`
[INFO] [stdout]   --> src/core/converter/from_into.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let bb = B::from(aa);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_bb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fives`
[INFO] [stdout]  --> src/stda/date.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let fives = Duration::from_micros(21);
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fives`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/core/converter/from_into.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct B {
[INFO] [stdout]   |        - field in this struct
[INFO] [stdout] 5 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]  --> src/core/iter.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct NIterator {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 7 |     index: i32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sqp` is never used
[INFO] [stdout]   --> src/core/iter.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn sqp() {}
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `FS` should have a snake case name
[INFO] [stdout]  --> src/stda/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod FS;
[INFO] [stdout]   |         ^^ help: convert the identifier to snake case (notice the capitalization): `fs`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `IO` should have a snake case name
[INFO] [stdout]  --> src/stda/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub mod IO;
[INFO] [stdout]   |         ^^ help: convert the identifier to snake case (notice the capitalization): `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "8333219727a7c5f26426bc72dbb5c259dd71df2b92040a81ea27b54efff23d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8333219727a7c5f26426bc72dbb5c259dd71df2b92040a81ea27b54efff23d51", kill_on_drop: false }`
[INFO] [stdout] 8333219727a7c5f26426bc72dbb5c259dd71df2b92040a81ea27b54efff23d51