[INFO] cloning repository https://github.com/nachomglz/rust-todolist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nachomglz/rust-todolist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnachomglz%2Frust-todolist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnachomglz%2Frust-todolist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18c69b90dcfac163ed992ba7394a5ca663eb80fa
[INFO] checking nachomglz/rust-todolist against try#2b43d8e161cfe46fae25518efb124c3c1d0fa392 for pr-145604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnachomglz%2Frust-todolist" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nachomglz/rust-todolist
[INFO] finished tweaking git repo https://github.com/nachomglz/rust-todolist
[INFO] tweaked toml for git repo https://github.com/nachomglz/rust-todolist written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nachomglz/rust-todolist on toolchain 2b43d8e161cfe46fae25518efb124c3c1d0fa392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b43d8e161cfe46fae25518efb124c3c1d0fa392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nachomglz/rust-todolist 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" "+2b43d8e161cfe46fae25518efb124c3c1d0fa392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+2b43d8e161cfe46fae25518efb124c3c1d0fa392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 788c625b83e6a85ec5a95bf87a8bd326d15447b7a439346128a57d0befb2b72d
[INFO] running `Command { std: "docker" "start" "-a" "788c625b83e6a85ec5a95bf87a8bd326d15447b7a439346128a57d0befb2b72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "788c625b83e6a85ec5a95bf87a8bd326d15447b7a439346128a57d0befb2b72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "788c625b83e6a85ec5a95bf87a8bd326d15447b7a439346128a57d0befb2b72d", kill_on_drop: false }`
[INFO] [stdout] 788c625b83e6a85ec5a95bf87a8bd326d15447b7a439346128a57d0befb2b72d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+2b43d8e161cfe46fae25518efb124c3c1d0fa392" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5a32df4320576dc4345990b2d1741c7955891a1e0ee7991b811f5b2f10905dc
[INFO] running `Command { std: "docker" "start" "-a" "c5a32df4320576dc4345990b2d1741c7955891a1e0ee7991b811f5b2f10905dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking todo-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `fs` and `io::Write`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs, io::Write};
[INFO] [stdout]   |           ^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utils::arguments::Argument`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use utils::arguments::Argument;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fs` and `io::Write`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs, io::Write};
[INFO] [stdout]   |           ^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utils::arguments::Argument`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use utils::arguments::Argument;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `description` are never read
[INFO] [stdout]  --> src/models/task.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Task {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 4 |     pub description: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Task` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `show_task` is never used
[INFO] [stdout]  --> src/models/task.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Task {
[INFO] [stdout]   | --------- method in this implementation
[INFO] [stdout] 8 |     pub fn show_task(&self) {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_task` is never used
[INFO] [stdout]   --> src/models/task.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn create_task(task_name: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_task` is never used
[INFO] [stdout]   --> src/models/task.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn remove_task(task_name: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `modify_task` is never used
[INFO] [stdout]   --> src/models/task.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn modify_task(task_name: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `description` are never read
[INFO] [stdout]  --> src/models/task.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Task {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 4 |     pub description: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Task` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `show_task` is never used
[INFO] [stdout]  --> src/models/task.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Task {
[INFO] [stdout]   | --------- method in this implementation
[INFO] [stdout] 8 |     pub fn show_task(&self) {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_task` is never used
[INFO] [stdout]   --> src/models/task.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn create_task(task_name: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_task` is never used
[INFO] [stdout]   --> src/models/task.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn remove_task(task_name: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `modify_task` is never used
[INFO] [stdout]   --> src/models/task.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn modify_task(task_name: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "c5a32df4320576dc4345990b2d1741c7955891a1e0ee7991b811f5b2f10905dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5a32df4320576dc4345990b2d1741c7955891a1e0ee7991b811f5b2f10905dc", kill_on_drop: false }`
[INFO] [stdout] c5a32df4320576dc4345990b2d1741c7955891a1e0ee7991b811f5b2f10905dc