[INFO] cloning repository https://github.com/zyyang-taosdata/my_project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zyyang-taosdata/my_project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyyang-taosdata%2Fmy_project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyyang-taosdata%2Fmy_project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a8f6375dba701cdbe19021aeb7bebd79810d89b
[INFO] checking zyyang-taosdata/my_project against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyyang-taosdata%2Fmy_project" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zyyang-taosdata/my_project on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zyyang-taosdata/my_project
[INFO] finished tweaking git repo https://github.com/zyyang-taosdata/my_project
[INFO] tweaked toml for git repo https://github.com/zyyang-taosdata/my_project written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zyyang-taosdata/my_project 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages
[INFO] [stderr]       Adding android-tzdata v0.1.1
[INFO] [stderr]       Adding android_system_properties v0.1.5
[INFO] [stderr]       Adding autocfg v1.2.0
[INFO] [stderr]       Adding bumpalo v3.15.4
[INFO] [stderr]       Adding chrono v0.4.37
[INFO] [stderr]       Adding core-foundation-sys v0.8.6
[INFO] [stderr]       Adding crc32fast v1.4.0
[INFO] [stderr]       Adding file-rotate v0.7.5
[INFO] [stderr]       Adding flate2 v1.0.28
[INFO] [stderr]       Adding flume v0.11.0
[INFO] [stderr]       Adding futures-core v0.3.30
[INFO] [stderr]       Adding futures-sink v0.3.30
[INFO] [stderr]       Adding getrandom v0.2.13
[INFO] [stderr]       Adding iana-time-zone v0.1.60
[INFO] [stderr]       Adding iana-time-zone-haiku v0.1.2
[INFO] [stderr]       Adding js-sys v0.3.69
[INFO] [stderr]       Adding lock_api v0.4.11
[INFO] [stderr]       Adding log v0.4.21
[INFO] [stderr]       Adding nanorand v0.7.0
[INFO] [stderr]       Adding num-traits v0.2.18
[INFO] [stderr]       Adding once_cell v1.19.0
[INFO] [stderr]       Adding scopeguard v1.2.0
[INFO] [stderr]       Adding spin v0.9.8
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wasm-bindgen v0.2.92
[INFO] [stderr]       Adding wasm-bindgen-backend v0.2.92
[INFO] [stderr]       Adding wasm-bindgen-macro v0.2.92
[INFO] [stderr]       Adding wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]       Adding wasm-bindgen-shared v0.2.92
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] [stderr]       Adding windows-targets v0.52.4
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.52.4
[INFO] [stderr]       Adding windows_aarch64_msvc v0.52.4
[INFO] [stderr]       Adding windows_i686_gnu v0.52.4
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[INFO] [stderr]       Adding windows_x86_64_gnu v0.52.4
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.52.4
[INFO] [stderr]       Adding windows_x86_64_msvc v0.52.4
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded file-rotate v0.7.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b3c5623996bc40a67f31407359906dcd1b736f77527dfe3feb3c356fc6193ff
[INFO] running `Command { std: "docker" "start" "-a" "4b3c5623996bc40a67f31407359906dcd1b736f77527dfe3feb3c356fc6193ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b3c5623996bc40a67f31407359906dcd1b736f77527dfe3feb3c356fc6193ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3c5623996bc40a67f31407359906dcd1b736f77527dfe3feb3c356fc6193ff", kill_on_drop: false }`
[INFO] [stdout] 4b3c5623996bc40a67f31407359906dcd1b736f77527dfe3feb3c356fc6193ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3133976441e45b3f9024e3d187d8e71d0e5551d68753c09a27bb575383ae1894
[INFO] running `Command { std: "docker" "start" "-a" "3133976441e45b3f9024e3d187d8e71d0e5551d68753c09a27bb575383ae1894", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking getrandom v0.2.13
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking file-rotate v0.7.5
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking my_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::TimeZone`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono::TimeZone;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/r002_mpmc/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::TimeZone`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono::TimeZone;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]   --> src/main.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Point {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/a001_linked_list/mod.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl ListNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 11 |     pub(crate) fn new(data: i32) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mock` is never used
[INFO] [stdout]   --> src/a001_linked_list/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn mock() -> ListNode {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traverse` is never used
[INFO] [stdout]  --> src/a001_linked_list/traverse.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn traverse(head: &ListNode) {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traverse01` is never used
[INFO] [stdout]   --> src/a001_linked_list/traverse.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn traverse01(head: &ListNode) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traverse02` is never used
[INFO] [stdout]   --> src/a001_linked_list/traverse.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn traverse02(head: &ListNode) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update` is never used
[INFO] [stdout]  --> src/a001_linked_list/update.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn update(head: &mut ListNode, position: u16, new_data: i32) {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update02` is never used
[INFO] [stdout]  --> src/a001_linked_list/update.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn update02(head: &mut ListNode, position: u16, new_data: i32) {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update01` is never used
[INFO] [stdout]   --> src/a001_linked_list/update.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn update01(head: &mut ListNode, position: u16, new_data: i32) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> src/r001_to_string/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Line` is never constructed
[INFO] [stdout]   --> src/r001_to_string/mod.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Line {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_ceil_round_floor` is never used
[INFO] [stdout]   --> src/r003_ceil_floor_round/mod.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn print_ceil_round_floor(numerator: f64, denominator: f64) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_usize_ceil_round_floor` is never used
[INFO] [stdout]   --> src/r003_ceil_floor_round/mod.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn print_usize_ceil_round_floor(a: usize, b: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_isize_ceil_round_floor` is never used
[INFO] [stdout]   --> src/r003_ceil_floor_round/mod.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn print_isize_ceil_round_floor(a: isize, b: isize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]   --> src/main.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Point {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update01` is never used
[INFO] [stdout]   --> src/a001_linked_list/update.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn update01(head: &mut ListNode, position: u16, new_data: i32) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `from` and `to` are never read
[INFO] [stdout]   --> src/r001_to_string/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Line {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 22 |     from: Point,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 23 |     to: Point,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Line` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.12s
[INFO] running `Command { std: "docker" "inspect" "3133976441e45b3f9024e3d187d8e71d0e5551d68753c09a27bb575383ae1894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3133976441e45b3f9024e3d187d8e71d0e5551d68753c09a27bb575383ae1894", kill_on_drop: false }`
[INFO] [stdout] 3133976441e45b3f9024e3d187d8e71d0e5551d68753c09a27bb575383ae1894