[INFO] cloning repository https://github.com/hwoongkang/rs-more
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hwoongkang/rs-more" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwoongkang%2Frs-more", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwoongkang%2Frs-more'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96339bd6dbb63a4de9d6f9167b9ba841ffd5cd87
[INFO] building hwoongkang/rs-more 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%2Fhwoongkang%2Frs-more" "/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/hwoongkang/rs-more 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/hwoongkang/rs-more
[INFO] finished tweaking git repo https://github.com/hwoongkang/rs-more
[INFO] tweaked toml for git repo https://github.com/hwoongkang/rs-more written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hwoongkang/rs-more 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-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 989fe7637e0d0700a9c22a8d9be766ed5d22f1cecdeac37b57728dc9f826c2a5
[INFO] running `Command { std: "docker" "start" "-a" "989fe7637e0d0700a9c22a8d9be766ed5d22f1cecdeac37b57728dc9f826c2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "989fe7637e0d0700a9c22a8d9be766ed5d22f1cecdeac37b57728dc9f826c2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "989fe7637e0d0700a9c22a8d9be766ed5d22f1cecdeac37b57728dc9f826c2a5", kill_on_drop: false }`
[INFO] [stdout] 989fe7637e0d0700a9c22a8d9be766ed5d22f1cecdeac37b57728dc9f826c2a5
[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 -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] 1bc32efc55c00b83023e4c614c5bc9f19d3a23ca471b679ca514221a9c8d284a
[INFO] running `Command { std: "docker" "start" "-a" "1bc32efc55c00b83023e4c614c5bc9f19d3a23ca471b679ca514221a9c8d284a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.8.5
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling crossterm v0.25.0
[INFO] [stderr]    Compiling rs-more v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/reader.rs:3:51
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, prelude::*, BufReader, Lines, Write};
[INFO] [stdout]   |                                                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let filename = "./test_dir/holy_bible.txt";
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Reader` is never constructed
[INFO] [stdout]  --> src/reader.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Reader {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `setup_terminal` is never used
[INFO] [stdout]   --> src/reader.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn setup_terminal() -> Option<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `draw` are never used
[INFO] [stdout]   --> src/reader.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Reader {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 23 |     // TODO: Add error handling
[INFO] [stdout] 24 |     pub fn new(filename: &str) -> Option<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn draw(&mut self) -> Option<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "1bc32efc55c00b83023e4c614c5bc9f19d3a23ca471b679ca514221a9c8d284a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bc32efc55c00b83023e4c614c5bc9f19d3a23ca471b679ca514221a9c8d284a", kill_on_drop: false }`
[INFO] [stdout] 1bc32efc55c00b83023e4c614c5bc9f19d3a23ca471b679ca514221a9c8d284a
[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 -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] 8194bc4023fa4d8622e5e00da2b06b353b10923bb60c27c379259f15b49bd637
[INFO] running `Command { std: "docker" "start" "-a" "8194bc4023fa4d8622e5e00da2b06b353b10923bb60c27c379259f15b49bd637", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-more v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/reader.rs:3:51
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, prelude::*, BufReader, Lines, Write};
[INFO] [stdout]   |                                                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let filename = "./test_dir/holy_bible.txt";
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Reader` is never constructed
[INFO] [stdout]  --> src/reader.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Reader {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `setup_terminal` is never used
[INFO] [stdout]   --> src/reader.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn setup_terminal() -> Option<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `draw` are never used
[INFO] [stdout]   --> src/reader.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Reader {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 23 |     // TODO: Add error handling
[INFO] [stdout] 24 |     pub fn new(filename: &str) -> Option<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn draw(&mut self) -> Option<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "8194bc4023fa4d8622e5e00da2b06b353b10923bb60c27c379259f15b49bd637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8194bc4023fa4d8622e5e00da2b06b353b10923bb60c27c379259f15b49bd637", kill_on_drop: false }`
[INFO] [stdout] 8194bc4023fa4d8622e5e00da2b06b353b10923bb60c27c379259f15b49bd637