[INFO] cloning repository https://github.com/Shindou-L/myrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shindou-L/myrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShindou-L%2Fmyrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShindou-L%2Fmyrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65173e9ea2808ead524cc7527bdd7efc9efb41fe
[INFO] checking Shindou-L/myrust against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShindou-L%2Fmyrust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Shindou-L/myrust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Shindou-L/myrust
[INFO] finished tweaking git repo https://github.com/Shindou-L/myrust
[INFO] tweaked toml for git repo https://github.com/Shindou-L/myrust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Shindou-L/myrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fdf3d8c82f263d4303625fb4c0d571ac477ca84ab544fd226434f131cc147d0
[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" "8fdf3d8c82f263d4303625fb4c0d571ac477ca84ab544fd226434f131cc147d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fdf3d8c82f263d4303625fb4c0d571ac477ca84ab544fd226434f131cc147d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fdf3d8c82f263d4303625fb4c0d571ac477ca84ab544fd226434f131cc147d0", kill_on_drop: false }`
[INFO] [stdout] 8fdf3d8c82f263d4303625fb4c0d571ac477ca84ab544fd226434f131cc147d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbd08fd5619ac9b4a18373c55b7550cdb96befeef2dce70e122302e2f3f7acc5
[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" "cbd08fd5619ac9b4a18373c55b7550cdb96befeef2dce70e122302e2f3f7acc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking myrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `workers`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     workers: Vec<Worker>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/lib.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `thread`
[INFO] [stdout]   --> src/lib.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `workers`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     workers: Vec<Worker>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/lib.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `thread`
[INFO] [stdout]   --> src/lib.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/concurrent.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/concurrent.rs:92:43
[INFO] [stdout]    |
[INFO] [stdout] 92 |     let counter = Arc::new(Mutex::new(0));;
[INFO] [stdout]    |                                           ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/concurrent.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/concurrent.rs:92:43
[INFO] [stdout]    |
[INFO] [stdout] 92 |     let counter = Arc::new(Mutex::new(0));;
[INFO] [stdout]    |                                           ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]  --> src/concurrent.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let val = String::from("hi");
[INFO] [stdout]   |             ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]  --> src/concurrent.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let val = String::from("hi");
[INFO] [stdout]   |             ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `DATA_PATTERN`
[INFO] [stdout]  --> src/common/mod.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | static DATA_PATTERN: &str = "%a, %d %b %Y %H:%M:%S GMT";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encrypt`
[INFO] [stdout]  --> src/common/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn encrypt(user: &str, key: &str) -> HashMap<String, String> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hmac_sha1`
[INFO] [stdout]   --> src/common/mod.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn hmac_sha1(key: &[u8],value: &[u8]) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parseArg`
[INFO] [stdout]  --> src/args.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn parseArg() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multi_thread`
[INFO] [stdout]  --> src/concurrent.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn multi_thread() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multi_thread2`
[INFO] [stdout]   --> src/concurrent.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn multi_thread2() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multi_thread3`
[INFO] [stdout]   --> src/concurrent.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn multi_thread3() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multi_thread4`
[INFO] [stdout]   --> src/concurrent.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn multi_thread4() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `modify_value_multi_thread`
[INFO] [stdout]   --> src/concurrent.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn modify_value_multi_thread() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/duotai.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `newAnimal`
[INFO] [stdout]   --> src/duotai.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn newAnimal(s: &str) -> Box<dyn Animal> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `DATA_PATTERN`
[INFO] [stdout]  --> src/common/mod.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | static DATA_PATTERN: &str = "%a, %d %b %Y %H:%M:%S GMT";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encrypt`
[INFO] [stdout]  --> src/common/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn encrypt(user: &str, key: &str) -> HashMap<String, String> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hmac_sha1`
[INFO] [stdout]   --> src/common/mod.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn hmac_sha1(key: &[u8],value: &[u8]) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parseArg`
[INFO] [stdout]  --> src/args.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn parseArg() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multi_thread`
[INFO] [stdout]  --> src/concurrent.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn multi_thread() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multi_thread2`
[INFO] [stdout]   --> src/concurrent.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn multi_thread2() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multi_thread3`
[INFO] [stdout]   --> src/concurrent.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn multi_thread3() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multi_thread4`
[INFO] [stdout]   --> src/concurrent.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn multi_thread4() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `modify_value_multi_thread`
[INFO] [stdout]   --> src/concurrent.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn modify_value_multi_thread() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/duotai.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `newAnimal`
[INFO] [stdout]   --> src/duotai.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn newAnimal(s: &str) -> Box<dyn Animal> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parseArg` should have a snake case name
[INFO] [stdout]  --> src/args.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn parseArg() {
[INFO] [stdout]   |        ^^^^^^^^ help: convert the identifier to snake case: `parse_arg`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `newAnimal` should have a snake case name
[INFO] [stdout]   --> src/duotai.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn newAnimal(s: &str) -> Box<dyn Animal> {
[INFO] [stdout]    |        ^^^^^^^^^ help: convert the identifier to snake case: `new_animal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parseArg` should have a snake case name
[INFO] [stdout]  --> src/args.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn parseArg() {
[INFO] [stdout]   |        ^^^^^^^^ help: convert the identifier to snake case: `parse_arg`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `newAnimal` should have a snake case name
[INFO] [stdout]   --> src/duotai.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn newAnimal(s: &str) -> Box<dyn Animal> {
[INFO] [stdout]    |        ^^^^^^^^^ help: convert the identifier to snake case: `new_animal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.16s
[INFO] running `Command { std: "docker" "inspect" "cbd08fd5619ac9b4a18373c55b7550cdb96befeef2dce70e122302e2f3f7acc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbd08fd5619ac9b4a18373c55b7550cdb96befeef2dce70e122302e2f3f7acc5", kill_on_drop: false }`
[INFO] [stdout] cbd08fd5619ac9b4a18373c55b7550cdb96befeef2dce70e122302e2f3f7acc5