[INFO] cloning repository https://github.com/BHznJNs/Calculator.rs-readline
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BHznJNs/Calculator.rs-readline" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBHznJNs%2FCalculator.rs-readline", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBHznJNs%2FCalculator.rs-readline'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d4a027ce2fe1b941a8dc37ae14b90ad436816c1
[INFO] checking BHznJNs/Calculator.rs-readline against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBHznJNs%2FCalculator.rs-readline" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BHznJNs/Calculator.rs-readline on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BHznJNs/Calculator.rs-readline
[INFO] finished tweaking git repo https://github.com/BHznJNs/Calculator.rs-readline
[INFO] tweaked toml for git repo https://github.com/BHznJNs/Calculator.rs-readline written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BHznJNs/Calculator.rs-readline 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" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 749db995d7e3d854ce38e8cbe3436c0efbf1a958f16550be2447b5929ef2ff31
[INFO] running `Command { std: "docker" "start" "-a" "749db995d7e3d854ce38e8cbe3436c0efbf1a958f16550be2447b5929ef2ff31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "749db995d7e3d854ce38e8cbe3436c0efbf1a958f16550be2447b5929ef2ff31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "749db995d7e3d854ce38e8cbe3436c0efbf1a958f16550be2447b5929ef2ff31", kill_on_drop: false }`
[INFO] [stdout] 749db995d7e3d854ce38e8cbe3436c0efbf1a958f16550be2447b5929ef2ff31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29e521ff9328e65d38a8a68fb4873582b502ae4e1c1e4eee463065b64f33bcf0
[INFO] running `Command { std: "docker" "start" "-a" "29e521ff9328e65d38a8a68fb4873582b502ae4e1c1e4eee463065b64f33bcf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking line-editor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cursor`
[INFO] [stdout]  --> src/line_editor/mod.rs:7:49
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crossterm::{event::{KeyModifiers, KeyCode}, cursor};
[INFO] [stdout]   |                                                 ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `history::History`
[INFO] [stdout]   --> src/line_editor/mod.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     }, history::History,
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cursor`
[INFO] [stdout]  --> src/line_editor/mod.rs:7:49
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crossterm::{event::{KeyModifiers, KeyCode}, cursor};
[INFO] [stdout]   |                                                 ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `history::History`
[INFO] [stdout]   --> src/line_editor/mod.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     }, history::History,
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `History` is never constructed
[INFO] [stdout]  --> src/history/mod.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct History {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get` are never used
[INFO] [stdout]   --> src/history/mod.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl History {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 6  |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn get(&self, index: usize) -> Option<String> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `History` is never constructed
[INFO] [stdout]  --> src/history/mod.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct History {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get` are never used
[INFO] [stdout]   --> src/history/mod.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl History {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 6  |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn get(&self, index: usize) -> Option<String> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.41s
[INFO] running `Command { std: "docker" "inspect" "29e521ff9328e65d38a8a68fb4873582b502ae4e1c1e4eee463065b64f33bcf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e521ff9328e65d38a8a68fb4873582b502ae4e1c1e4eee463065b64f33bcf0", kill_on_drop: false }`
[INFO] [stdout] 29e521ff9328e65d38a8a68fb4873582b502ae4e1c1e4eee463065b64f33bcf0
