[INFO] cloning repository https://github.com/sonnguyenp0/f48days-with-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sonnguyenp0/f48days-with-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonnguyenp0%2Ff48days-with-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonnguyenp0%2Ff48days-with-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c56b908c0fda5c7cbbcb8a06ef34cb2d1a24505
[INFO] testing sonnguyenp0/f48days-with-rust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonnguyenp0%2Ff48days-with-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sonnguyenp0/f48days-with-rust 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/sonnguyenp0/f48days-with-rust
[INFO] finished tweaking git repo https://github.com/sonnguyenp0/f48days-with-rust
[INFO] tweaked toml for git repo https://github.com/sonnguyenp0/f48days-with-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/sonnguyenp0/f48days-with-rust 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 089d0497cfafbda7dba3bfa40cff3c6c87bd5fe2b504031978cc82775f8c4026
[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" "089d0497cfafbda7dba3bfa40cff3c6c87bd5fe2b504031978cc82775f8c4026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "089d0497cfafbda7dba3bfa40cff3c6c87bd5fe2b504031978cc82775f8c4026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "089d0497cfafbda7dba3bfa40cff3c6c87bd5fe2b504031978cc82775f8c4026", kill_on_drop: false }`
[INFO] [stdout] 089d0497cfafbda7dba3bfa40cff3c6c87bd5fe2b504031978cc82775f8c4026
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b2b855a76a1627e9ac1dfc530054e3bca95d1555db29c9200b4d94643b1289be
[INFO] running `Command { std: "docker" "start" "-a" "b2b855a76a1627e9ac1dfc530054e3bca95d1555db29c9200b4d94643b1289be", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.50
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[INFO] [stderr]    Compiling constant_time_eq v0.1.5
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[INFO] [stderr]    Compiling tau v1.0.4
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[INFO] [stderr]    Compiling num-traits v0.2.14
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[INFO] [stderr]    Compiling futures-lite v1.11.2
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling tracing v0.1.21
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[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling postgres-protocol v0.3.2
[INFO] [stderr]    Compiling uuid v0.2.3
[INFO] [stderr]    Compiling async-std v1.7.0
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[INFO] [stderr]    Compiling postgres-types v0.1.3
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[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling tokio v0.2.23
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling combine v4.4.0
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling csv v1.1.4
[INFO] [stderr]    Compiling hyper v0.13.9
[INFO] [stderr]    Compiling redis v0.17.0
[INFO] [stderr]    Compiling f48days-with-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Uri`, `body::HttpBody as _`
[INFO] [stdout]  --> src/vol1/http_request.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use hyper::{body::HttpBody as _, Client, Uri, Body, Method, Request};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `url::form_urlencoded`
[INFO] [stdout]  --> src/vol1/http_request.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use url::form_urlencoded;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Complex64`, `Complex`
[INFO] [stdout]  --> src/vol1/tau_exp.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num::complex::{Complex, Complex64};
[INFO] [stdout]   |                    ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/vol1/image_processing.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/vol1/http_request.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut response = client.get(uri).await?;
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `processing`
[INFO] [stdout]   --> src/vol1/csv_file.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn processing() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_content`
[INFO] [stdout]   --> src/vol1/http_request.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | async fn get_content(url: &str) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `post_query`
[INFO] [stdout]   --> src/vol1/http_request.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | async fn post_query(url: &str) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `post_json`
[INFO] [stdout]   --> src/vol1/http_request.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | async fn post_json<T>(url: &str, payload: &T) -> Result<(), Box<dyn std::error::Error + Send + Sync>>
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `example`
[INFO] [stdout]   --> src/vol1/json_processing.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn example() -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `example`
[INFO] [stdout]  --> src/vol1/iterator_exp.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn example() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DomainName`
[INFO] [stdout]  --> src/vol1/anymap_exp.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     DomainName(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ip`
[INFO] [stdout]  --> src/vol1/anymap_exp.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Ip(Ipv4Addr),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `example`
[INFO] [stdout]   --> src/vol1/anymap_exp.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn example() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `example`
[INFO] [stdout]  --> src/vol1/tau_exp.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn example() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Person`
[INFO] [stdout]  --> src/vol1/postgre_processing.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Person {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `example`
[INFO] [stdout]   --> src/vol1/postgre_processing.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn example() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `example`
[INFO] [stdout]  --> src/vol1/image_processing.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn example() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `example`
[INFO] [stdout]  --> src/vol1/uuid_processing.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn example() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/vol1/json_processing.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/vol1/json_processing.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/vol1/http_request.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     get_content("http://httpbin.org/status/200").await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/vol1/http_request.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     post_query("http://httpbin.org/post").await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/vol1/http_request.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     post_json("http://httpbin.org/post", &movie).await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 30s
[INFO] running `Command { std: "docker" "inspect" "b2b855a76a1627e9ac1dfc530054e3bca95d1555db29c9200b4d94643b1289be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b855a76a1627e9ac1dfc530054e3bca95d1555db29c9200b4d94643b1289be", kill_on_drop: false }`
[INFO] [stdout] b2b855a76a1627e9ac1dfc530054e3bca95d1555db29c9200b4d94643b1289be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2702fd6baee3593440fb647ab5ff57eba0291f678f929191d35519d9799ae683
[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" "2702fd6baee3593440fb647ab5ff57eba0291f678f929191d35519d9799ae683", kill_on_drop: false }`
[INFO] [stderr]    Compiling f48days-with-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Uri`, `body::HttpBody as _`
[INFO] [stdout]  --> src/vol1/http_request.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use hyper::{body::HttpBody as _, Client, Uri, Body, Method, Request};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `url::form_urlencoded`
[INFO] [stdout]  --> src/vol1/http_request.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use url::form_urlencoded;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Complex64`, `Complex`
[INFO] [stdout]  --> src/vol1/tau_exp.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num::complex::{Complex, Complex64};
[INFO] [stdout]   |                    ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/vol1/image_processing.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/vol1/http_request.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut response = client.get(uri).await?;
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `processing`
[INFO] [stdout]   --> src/vol1/csv_file.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn processing() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_content`
[INFO] [stdout]   --> src/vol1/http_request.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | async fn get_content(url: &str) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `post_query`
[INFO] [stdout]   --> src/vol1/http_request.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | async fn post_query(url: &str) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `post_json`
[INFO] [stdout]   --> src/vol1/http_request.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | async fn post_json<T>(url: &str, payload: &T) -> Result<(), Box<dyn std::error::Error + Send + Sync>>
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `example`
[INFO] [stdout]   --> src/vol1/json_processing.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn example() -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `example`
[INFO] [stdout]  --> src/vol1/iterator_exp.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn example() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DomainName`
[INFO] [stdout]  --> src/vol1/anymap_exp.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     DomainName(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ip`
[INFO] [stdout]  --> src/vol1/anymap_exp.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Ip(Ipv4Addr),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `example`
[INFO] [stdout]   --> src/vol1/anymap_exp.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn example() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `example`
[INFO] [stdout]  --> src/vol1/tau_exp.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn example() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Person`
[INFO] [stdout]  --> src/vol1/postgre_processing.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Person {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `example`
[INFO] [stdout]   --> src/vol1/postgre_processing.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn example() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `example`
[INFO] [stdout]  --> src/vol1/image_processing.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn example() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `example`
[INFO] [stdout]  --> src/vol1/uuid_processing.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn example() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/vol1/json_processing.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/vol1/json_processing.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/vol1/http_request.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     get_content("http://httpbin.org/status/200").await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/vol1/http_request.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     post_query("http://httpbin.org/post").await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/vol1/http_request.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     post_json("http://httpbin.org/post", &movie).await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "2702fd6baee3593440fb647ab5ff57eba0291f678f929191d35519d9799ae683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2702fd6baee3593440fb647ab5ff57eba0291f678f929191d35519d9799ae683", kill_on_drop: false }`
[INFO] [stdout] 2702fd6baee3593440fb647ab5ff57eba0291f678f929191d35519d9799ae683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 661e068819f286836bdcc53b3240cd0aad9b4b966050b023cd9e88814413a256
[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" "661e068819f286836bdcc53b3240cd0aad9b4b966050b023cd9e88814413a256", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused imports: `Uri`, `body::HttpBody as _`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/vol1/http_request.rs:5:13
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 5 | use hyper::{body::HttpBody as _, Client, Uri, Body, Method, Request};
[INFO] [stdout] 
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^^          ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `url::form_urlencoded`
[INFO] [stderr]  --> src/vol1/http_request.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use url::form_urlencoded;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Complex64`, `Complex`
[INFO] [stderr]  --> src/vol1/tau_exp.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | use num::complex::{Complex, Complex64};
[INFO] [stderr]   |                    ^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/vol1/image_processing.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/vol1/http_request.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut response = client.get(uri).await?;
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `processing`
[INFO] [stderr]   --> src/vol1/csv_file.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn processing() -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_content`
[INFO] [stderr]   --> src/vol1/http_request.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 | async fn get_content(url: &str) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `post_query`
[INFO] [stderr]   --> src/vol1/http_request.rs:25:10
[INFO] [stderr]    |
[INFO] [stderr] 25 | async fn post_query(url: &str) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `post_json`
[INFO] [stderr]   --> src/vol1/http_request.rs:37:10
[INFO] [stderr]    |
[INFO] [stderr] 37 | async fn post_json<T>(url: &str, payload: &T) -> Result<(), Box<dyn std::error::Error + Send + Sync>>
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `example`
[INFO] [stderr]   --> src/vol1/json_processing.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn example() -> Result<()> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `example`
[INFO] [stderr]  --> src/vol1/iterator_exp.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn example() {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DomainName`
[INFO] [stderr]  --> src/vol1/anymap_exp.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     DomainName(String),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ip`
[INFO] [stderr]  --> src/vol1/anymap_exp.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Ip(Ipv4Addr),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `example`
[INFO] [stderr]   --> src/vol1/anymap_exp.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn example() {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `example`
[INFO] [stderr]  --> src/vol1/tau_exp.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn example() {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Person`
[INFO] [stderr]  --> src/vol1/postgre_processing.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Person {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `example`
[INFO] [stderr]   --> src/vol1/postgre_processing.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn example() {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `example`
[INFO] [stderr]  --> src/vol1/image_processing.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn example() {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `example`
[INFO] [stderr]  --> src/vol1/uuid_processing.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn example() {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/vol1/json_processing.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(plugin)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/vol1/json_processing.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(plugin)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/vol1/http_request.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     get_content("http://httpbin.org/status/200").await;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/vol1/http_request.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     post_query("http://httpbin.org/post").await;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/vol1/http_request.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     post_json("http://httpbin.org/post", &movie).await;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/f48days_with_rust-f35f2ddb7ae56175
[INFO] running `Command { std: "docker" "inspect" "661e068819f286836bdcc53b3240cd0aad9b4b966050b023cd9e88814413a256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "661e068819f286836bdcc53b3240cd0aad9b4b966050b023cd9e88814413a256", kill_on_drop: false }`
[INFO] [stdout] 661e068819f286836bdcc53b3240cd0aad9b4b966050b023cd9e88814413a256