[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] testing HYliangkai/rustStd against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHYliangkai%2FrustStd" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HYliangkai/rustStd on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "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-4-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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff5ec6c7c96a0d6ff6a229681bebf1eb8e88355ea71226c9ab99b44d3bb14b9a
[INFO] running `Command { std: "docker" "start" "-a" "ff5ec6c7c96a0d6ff6a229681bebf1eb8e88355ea71226c9ab99b44d3bb14b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff5ec6c7c96a0d6ff6a229681bebf1eb8e88355ea71226c9ab99b44d3bb14b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff5ec6c7c96a0d6ff6a229681bebf1eb8e88355ea71226c9ab99b44d3bb14b9a", kill_on_drop: false }`
[INFO] [stdout] ff5ec6c7c96a0d6ff6a229681bebf1eb8e88355ea71226c9ab99b44d3bb14b9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 612870c8d83acb59fdbf78d738bbf15b1713ac2662193d2917b7cdc94242ca7b
[INFO] running `Command { std: "docker" "start" "-a" "612870c8d83acb59fdbf78d738bbf15b1713ac2662193d2917b7cdc94242ca7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "612870c8d83acb59fdbf78d738bbf15b1713ac2662193d2917b7cdc94242ca7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "612870c8d83acb59fdbf78d738bbf15b1713ac2662193d2917b7cdc94242ca7b", kill_on_drop: false }`
[INFO] [stdout] 612870c8d83acb59fdbf78d738bbf15b1713ac2662193d2917b7cdc94242ca7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0717aeb41ba7589cc2f98cac344f74985a1771168268d8ebceb7ce7527db3407
[INFO] running `Command { std: "docker" "start" "-a" "0717aeb41ba7589cc2f98cac344f74985a1771168268d8ebceb7ce7527db3407", kill_on_drop: false }`
[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] [stderr]    Compiling rust_std v0.1.0 (/opt/rustwide/workdir)
[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: 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: 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "0717aeb41ba7589cc2f98cac344f74985a1771168268d8ebceb7ce7527db3407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0717aeb41ba7589cc2f98cac344f74985a1771168268d8ebceb7ce7527db3407", kill_on_drop: false }`
[INFO] [stdout] 0717aeb41ba7589cc2f98cac344f74985a1771168268d8ebceb7ce7527db3407
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97fcadcbb91d3891a2ac0d5dead9aa1f2b812a951b5c7ffdd249525876a5d4c2
[INFO] running `Command { std: "docker" "start" "-a" "97fcadcbb91d3891a2ac0d5dead9aa1f2b812a951b5c7ffdd249525876a5d4c2", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `File`, `OpenOptions`, `io::Write`, and `read_to_string`
[INFO] [stderr]  --> src/stda/FS.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{ fs::{ read_to_string, File, OpenOptions }, io::Write };
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^  ^^^^  ^^^^^^^^^^^    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration`, `SystemTime`, and `UNIX_EPOCH`
[INFO] [stderr]  --> src/stda/date.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stderr]   |                 ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]  --> src/core/converter/from_into.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct B {
[INFO] [stderr]   |        - field in this struct
[INFO] [stderr] 5 |     name: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `index` is never read
[INFO] [stderr]  --> src/core/iter.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct NIterator {
[INFO] [stderr]   |            --------- field in this struct
[INFO] [stderr] 7 |     index: i32,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sqp` is never used
[INFO] [stderr]   --> src/core/iter.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn sqp() {}
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `FS` should have a snake case name
[INFO] [stderr]  --> src/stda/mod.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod FS;
[INFO] [stderr]   |         ^^ help: convert the identifier to snake case (notice the capitalization): `fs`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `IO` should have a snake case name
[INFO] [stderr]  --> src/stda/mod.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub mod IO;
[INFO] [stderr]   |         ^^ help: convert the identifier to snake case (notice the capitalization): `io`
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_std` (lib) generated 7 warnings (run `cargo fix --lib -p rust_std` to apply 2 suggestions)
[INFO] [stderr] warning: unused imports: `File` and `read_to_string`
[INFO] [stderr]  --> src/stda/FS.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{ fs::{ read_to_string, File, OpenOptions }, io::Write };
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/core/converter/from_into.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let b: B = a.into();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bb`
[INFO] [stderr]   --> src/core/converter/from_into.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let bb = B::from(aa);
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_bb`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fives`
[INFO] [stderr]  --> src/stda/date.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let fives = Duration::from_micros(21);
[INFO] [stderr]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fives`
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_std` (lib test) generated 9 warnings (5 duplicates) (run `cargo fix --lib -p rust_std --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_std-396dd8cba3e7cdab)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test core::converter::from_into::t1 ... ok
[INFO] [stdout] test stda::date::tta ... ok
[INFO] [stdout] test stda::FS::tty ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- stda::FS::tty stdout ----
[INFO] [stdout] thread 'stda::FS::tty' panicked at src/stda/FS.rs:6:67:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5d6a182a6a4a - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5d6a182a6a4a - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5d6a182a6a4a - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5d6a182a6a4a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5d6a182cbe23 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5d6a182cbe23 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x5d6a182a3c13 - std::io::Write::write_fmt::h509ff860e5956e5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x5d6a182a6892 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5d6a182a7eaa - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5d6a182a7cb4 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5d6a18273599 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39b51ce4599c23d1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x5d6a18273599 - test::test_main::{{closure}}::he977ae839a582784
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x5d6a182a8548 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9455091b6b06f9fb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x5d6a182a8548 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5d6a182a830a - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5d6a182a6f29 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5d6a182a7f9c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5d6a18237a60 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   18:     0x5d6a18237e06 - core::result::unwrap_failed::hd20b4aa073bda1e2
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1700:5
[INFO] [stdout]   19:     0x5d6a1823b00b - core::result::Result<T,E>::unwrap::h508b07c6b3cb9f5d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1104:23
[INFO] [stdout]   20:     0x5d6a1823b00b - rust_std::stda::FS::tty::h455d6f30df2368be
[INFO] [stdout]                                at /opt/rustwide/workdir/src/stda/FS.rs:6:20
[INFO] [stdout]   21:     0x5d6a1823af77 - rust_std::stda::FS::tty::{{closure}}::h0c2d3c2cda2fbdba
[INFO] [stdout]                                at /opt/rustwide/workdir/src/stda/FS.rs:4:9
[INFO] [stdout]   22:     0x5d6a18239816 - core::ops::function::FnOnce::call_once::h4b50f68a64982455
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5d6a18277f5b - core::ops::function::FnOnce::call_once::h109cf8051a59b34e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5d6a18277f5b - test::__rust_begin_short_backtrace::hf4fff89d377446ba
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x5d6a18277797 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x5d6a18277797 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5d6a18277797 - std::panicking::try::do_call::h873b7cf639554a5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x5d6a18277797 - std::panicking::try::hdb19862fad9c8bd1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x5d6a18277797 - std::panic::catch_unwind::h281fe732d236d260
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x5d6a18277797 - test::run_test_in_process::h949b6df8457ed338
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x5d6a18277797 - test::run_test::{{closure}}::h52c556a6d4740e10
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stdout]   32:     0x5d6a1823ca74 - test::run_test::{{closure}}::h4237f6381c45ccb9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x5d6a1823ca74 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x5d6a1824013e - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stdout]   35:     0x5d6a1824013e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5d6a1824013e - std::panicking::try::do_call::hb26ecd7cd9a9355d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x5d6a1824013e - std::panicking::try::h8ddeca9d705f9069
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x5d6a1824013e - std::panic::catch_unwind::h49e1c33078844c46
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x5d6a1824013e - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stdout]   40:     0x5d6a1824013e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5d6a182ac2ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf75717d9f28faebf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   42:     0x5d6a182ac2ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7bd883a5f3c5f3c1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x5d6a182ac2ab - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x72b846252ac3 - <unknown>
[INFO] [stdout]   45:     0x72b8462e3a04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     stda::FS::tty
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "97fcadcbb91d3891a2ac0d5dead9aa1f2b812a951b5c7ffdd249525876a5d4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97fcadcbb91d3891a2ac0d5dead9aa1f2b812a951b5c7ffdd249525876a5d4c2", kill_on_drop: false }`
[INFO] [stdout] 97fcadcbb91d3891a2ac0d5dead9aa1f2b812a951b5c7ffdd249525876a5d4c2
