[INFO] cloning repository https://github.com/martvIO/Todo-list-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martvIO/Todo-list-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmartvIO%2FTodo-list-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmartvIO%2FTodo-list-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3545c9936e49d2000caf61e4e9741764a2b640e
[INFO] checking martvIO/Todo-list-rust against try#863511eff87e66198b396935f3b5c8a543022f53 for pr-139493-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmartvIO%2FTodo-list-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/martvIO/Todo-list-rust
[INFO] finished tweaking git repo https://github.com/martvIO/Todo-list-rust
[INFO] tweaked toml for git repo https://github.com/martvIO/Todo-list-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/martvIO/Todo-list-rust on toolchain 863511eff87e66198b396935f3b5c8a543022f53
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+863511eff87e66198b396935f3b5c8a543022f53" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/martvIO/Todo-list-rust 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" "+863511eff87e66198b396935f3b5c8a543022f53" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+863511eff87e66198b396935f3b5c8a543022f53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dfe86b733364810857b7980de291d57e152778424bba20bc2515d1775b1f23c
[INFO] running `Command { std: "docker" "start" "-a" "8dfe86b733364810857b7980de291d57e152778424bba20bc2515d1775b1f23c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dfe86b733364810857b7980de291d57e152778424bba20bc2515d1775b1f23c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dfe86b733364810857b7980de291d57e152778424bba20bc2515d1775b1f23c", kill_on_drop: false }`
[INFO] [stdout] 8dfe86b733364810857b7980de291d57e152778424bba20bc2515d1775b1f23c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+863511eff87e66198b396935f3b5c8a543022f53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c569c346b20a6b13f60e1c610b3802309d5bb7532cbd022f9c7438dcd33acf38
[INFO] running `Command { std: "docker" "start" "-a" "c569c346b20a6b13f60e1c610b3802309d5bb7532cbd022f9c7438dcd33acf38", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking colored v2.2.0
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking Todo_List v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/main.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{self, BufWriter, Read, Write}, ops::Index,
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/main.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{self, BufWriter, Read, Write}, ops::Index,
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `char` is never read
[INFO] [stdout]    --> src/main.rs:116:24
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let mut char = "";
[INFO] [stdout]     |                        ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `char` is never read
[INFO] [stdout]    --> src/main.rs:116:24
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let mut char = "";
[INFO] [stdout]     |                        ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "c569c346b20a6b13f60e1c610b3802309d5bb7532cbd022f9c7438dcd33acf38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c569c346b20a6b13f60e1c610b3802309d5bb7532cbd022f9c7438dcd33acf38", kill_on_drop: false }`
[INFO] [stdout] c569c346b20a6b13f60e1c610b3802309d5bb7532cbd022f9c7438dcd33acf38