[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] building BHznJNs/Calculator.rs-readline against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBHznJNs%2FCalculator.rs-readline" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BHznJNs/Calculator.rs-readline on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-2-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e44139f89672ecb43605cd9b5840266fb7285c250e58c3f940e11c4fb7f30097
[INFO] running `Command { std: "docker" "start" "-a" "e44139f89672ecb43605cd9b5840266fb7285c250e58c3f940e11c4fb7f30097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e44139f89672ecb43605cd9b5840266fb7285c250e58c3f940e11c4fb7f30097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e44139f89672ecb43605cd9b5840266fb7285c250e58c3f940e11c4fb7f30097", kill_on_drop: false }`
[INFO] [stdout] e44139f89672ecb43605cd9b5840266fb7285c250e58c3f940e11c4fb7f30097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 722b429608d4db3b5b45d3a7c0d1c8a9cee4444d8d3d4feff140dc60018f0ad7
[INFO] running `Command { std: "docker" "start" "-a" "722b429608d4db3b5b45d3a7c0d1c8a9cee4444d8d3d4feff140dc60018f0ad7", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling crossterm v0.26.1
[INFO] [stderr]    Compiling 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: 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 1.22s
[INFO] running `Command { std: "docker" "inspect" "722b429608d4db3b5b45d3a7c0d1c8a9cee4444d8d3d4feff140dc60018f0ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "722b429608d4db3b5b45d3a7c0d1c8a9cee4444d8d3d4feff140dc60018f0ad7", kill_on_drop: false }`
[INFO] [stdout] 722b429608d4db3b5b45d3a7c0d1c8a9cee4444d8d3d4feff140dc60018f0ad7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74dad841b77106e826bcaa70508ed692e708e92118d71fb1be80d5525cc5bcf4
[INFO] running `Command { std: "docker" "start" "-a" "74dad841b77106e826bcaa70508ed692e708e92118d71fb1be80d5525cc5bcf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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 `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "74dad841b77106e826bcaa70508ed692e708e92118d71fb1be80d5525cc5bcf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74dad841b77106e826bcaa70508ed692e708e92118d71fb1be80d5525cc5bcf4", kill_on_drop: false }`
[INFO] [stdout] 74dad841b77106e826bcaa70508ed692e708e92118d71fb1be80d5525cc5bcf4