[INFO] cloning repository https://github.com/KoxyG/Library_Mangement_program
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KoxyG/Library_Mangement_program" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoxyG%2FLibrary_Mangement_program", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoxyG%2FLibrary_Mangement_program'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a93057ab4b4ebb7b0f330284f5a202db41ee1d3
[INFO] checking KoxyG/Library_Mangement_program against master#8317fef20409adedaa7c385fa6e954867bf626fc for pr-154149-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoxyG%2FLibrary_Mangement_program" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KoxyG/Library_Mangement_program
[INFO] finished tweaking git repo https://github.com/KoxyG/Library_Mangement_program
[INFO] tweaked toml for git repo https://github.com/KoxyG/Library_Mangement_program written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KoxyG/Library_Mangement_program on toolchain 8317fef20409adedaa7c385fa6e954867bf626fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8317fef20409adedaa7c385fa6e954867bf626fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KoxyG/Library_Mangement_program 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" "+8317fef20409adedaa7c385fa6e954867bf626fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8317fef20409adedaa7c385fa6e954867bf626fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e91912b81e1395fad494d1d79758feb4c569e466c2390e42c32d79d7b191a67
[INFO] running `Command { std: "docker" "start" "-a" "5e91912b81e1395fad494d1d79758feb4c569e466c2390e42c32d79d7b191a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e91912b81e1395fad494d1d79758feb4c569e466c2390e42c32d79d7b191a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e91912b81e1395fad494d1d79758feb4c569e466c2390e42c32d79d7b191a67", kill_on_drop: false }`
[INFO] [stdout] 5e91912b81e1395fad494d1d79758feb4c569e466c2390e42c32d79d7b191a67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8317fef20409adedaa7c385fa6e954867bf626fc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9dca9871d71545021fcbf9e7574ebf1c1c5de8e06e115604a3a8e6d4f51a20d
[INFO] running `Command { std: "docker" "start" "-a" "b9dca9871d71545021fcbf9e7574ebf1c1c5de8e06e115604a3a8e6d4f51a20d", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking lib_users v0.1.0 (/opt/rustwide/workdir/lib_users)
[INFO] [stderr]     Checking lib_inventory v0.1.0 (/opt/rustwide/workdir/lib_inventory)
[INFO] [stderr]     Checking library_app v0.1.0 (/opt/rustwide/workdir/library_app)
[INFO] [stderr]     Checking lib_borrowing v0.1.0 (/opt/rustwide/workdir/lib_borrowing)
[INFO] [stdout] warning: unused imports: `Book` and `Genre`
[INFO] [stdout]  --> lib_borrowing/src/lib.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lib_inventory::{Library, Book, Genre};
[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: `User`
[INFO] [stdout]  --> lib_borrowing/src/lib.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lib_users::{LibraryUsers, User};
[INFO] [stdout]   |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "b9dca9871d71545021fcbf9e7574ebf1c1c5de8e06e115604a3a8e6d4f51a20d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9dca9871d71545021fcbf9e7574ebf1c1c5de8e06e115604a3a8e6d4f51a20d", kill_on_drop: false }`
[INFO] [stdout] b9dca9871d71545021fcbf9e7574ebf1c1c5de8e06e115604a3a8e6d4f51a20d