[INFO] cloning repository https://github.com/techstrix/mb-red
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/techstrix/mb-red" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechstrix%2Fmb-red", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechstrix%2Fmb-red'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb797ae7fdf08f191438ea13469c1aa3f994aad5
[INFO] building techstrix/mb-red 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%2Ftechstrix%2Fmb-red" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/techstrix/mb-red 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/techstrix/mb-red
[INFO] finished tweaking git repo https://github.com/techstrix/mb-red
[INFO] tweaked toml for git repo https://github.com/techstrix/mb-red written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/techstrix/mb-red 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] [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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8d55fdd79a24224b55c7f2a7f8c9f98ab13cc366df0e23939f68c92e358351c4
[INFO] running `Command { std: "docker" "start" "-a" "8d55fdd79a24224b55c7f2a7f8c9f98ab13cc366df0e23939f68c92e358351c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d55fdd79a24224b55c7f2a7f8c9f98ab13cc366df0e23939f68c92e358351c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d55fdd79a24224b55c7f2a7f8c9f98ab13cc366df0e23939f68c92e358351c4", kill_on_drop: false }`
[INFO] [stdout] 8d55fdd79a24224b55c7f2a7f8c9f98ab13cc366df0e23939f68c92e358351c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ace08435313a4368ad691cce88c9c8716ce192a76172c48fa699a1b6f14364a3
[INFO] running `Command { std: "docker" "start" "-a" "ace08435313a4368ad691cce88c9c8716ce192a76172c48fa699a1b6f14364a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling mb-red v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `backtrace` and `stdin`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{backtrace, io::{stdin, stdout, Stdout, Write}};
[INFO] [stdout]   |           ^^^^^^^^^       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |             _ => {}
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/main.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |             Action::Quit => break,
[INFO] [stdout]    |             ------------ matches some of the same values
[INFO] [stdout] 77 |             Action::MoveUp => {cy = cy.saturating_sub(1);}//
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] 78 |             Action::MoveDown =>{ cy += 1u16;},
[INFO] [stdout]    |             ---------------- matches some of the same values
[INFO] [stdout] 79 |             Action::MoveRight => {cx += 1u16; },
[INFO] [stdout]    |             ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 84 |             _ => {}
[INFO] [stdout]    |             ^ ...and 2 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.15s
[INFO] running `Command { std: "docker" "inspect" "ace08435313a4368ad691cce88c9c8716ce192a76172c48fa699a1b6f14364a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace08435313a4368ad691cce88c9c8716ce192a76172c48fa699a1b6f14364a3", kill_on_drop: false }`
[INFO] [stdout] ace08435313a4368ad691cce88c9c8716ce192a76172c48fa699a1b6f14364a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0b2acc2e1984b1878542ca7002d868eb3d06410d0cf1314e85dc985eda66bb89
[INFO] running `Command { std: "docker" "start" "-a" "0b2acc2e1984b1878542ca7002d868eb3d06410d0cf1314e85dc985eda66bb89", kill_on_drop: false }`
[INFO] [stderr]    Compiling mb-red v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `backtrace` and `stdin`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{backtrace, io::{stdin, stdout, Stdout, Write}};
[INFO] [stdout]   |           ^^^^^^^^^       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |             _ => {}
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/main.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |             Action::Quit => break,
[INFO] [stdout]    |             ------------ matches some of the same values
[INFO] [stdout] 77 |             Action::MoveUp => {cy = cy.saturating_sub(1);}//
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] 78 |             Action::MoveDown =>{ cy += 1u16;},
[INFO] [stdout]    |             ---------------- matches some of the same values
[INFO] [stdout] 79 |             Action::MoveRight => {cx += 1u16; },
[INFO] [stdout]    |             ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 84 |             _ => {}
[INFO] [stdout]    |             ^ ...and 2 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "0b2acc2e1984b1878542ca7002d868eb3d06410d0cf1314e85dc985eda66bb89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b2acc2e1984b1878542ca7002d868eb3d06410d0cf1314e85dc985eda66bb89", kill_on_drop: false }`
[INFO] [stdout] 0b2acc2e1984b1878542ca7002d868eb3d06410d0cf1314e85dc985eda66bb89