[INFO] cloning repository https://github.com/mehtabismail/Rust_Learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mehtabismail/Rust_Learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/applypatch-msg.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning/hooks/applypatch-msg.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/mehtabismail/Rust_Learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mehtabismail/Rust_Learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning/hooks/: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/mehtabismail/Rust_Learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mehtabismail/Rust_Learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/mehtabismail/Rust_Learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mehtabismail/Rust_Learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[INFO] cloning repository https://github.com/mehtabismail/Rust_Learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mehtabismail/Rust_Learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 5)
[INFO] cloning repository https://github.com/mehtabismail/Rust_Learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mehtabismail/Rust_Learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 6)
[INFO] cloning repository https://github.com/mehtabismail/Rust_Learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mehtabismail/Rust_Learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a1ba40de401c4fab038e4d9b57cee85ab7f8a6c
[INFO] checking mehtabismail/Rust_Learning against master#f2d69d5a7c04617d122facd0a7a5bdde0af928ae for pr-138363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehtabismail%2FRust_Learning" "/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/mehtabismail/Rust_Learning on toolchain f2d69d5a7c04617d122facd0a7a5bdde0af928ae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mehtabismail/Rust_Learning
[INFO] finished tweaking git repo https://github.com/mehtabismail/Rust_Learning
[INFO] tweaked toml for git repo https://github.com/mehtabismail/Rust_Learning written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mehtabismail/Rust_Learning 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" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4376b9431bc13a473dd9b67b8343e6533343bd40c09ec22870554c81e8843953
[INFO] running `Command { std: "docker" "start" "-a" "4376b9431bc13a473dd9b67b8343e6533343bd40c09ec22870554c81e8843953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4376b9431bc13a473dd9b67b8343e6533343bd40c09ec22870554c81e8843953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4376b9431bc13a473dd9b67b8343e6533343bd40c09ec22870554c81e8843953", kill_on_drop: false }`
[INFO] [stdout] 4376b9431bc13a473dd9b67b8343e6533343bd40c09ec22870554c81e8843953
[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" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 334aabe64e7a2bee191faaf0a560f90684f2e553f96865fd1080d5e176c3caf5
[INFO] running `Command { std: "docker" "start" "-a" "334aabe64e7a2bee191faaf0a560f90684f2e553f96865fd1080d5e176c3caf5", kill_on_drop: false }`
[INFO] [stderr]     Checking learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Brown` is never constructed
[INFO] [stdout]  --> src/bin/impl.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Color {
[INFO] [stdout]   |      ----- variant in this enum
[INFO] [stdout] 2 |     Brown,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Brown` is never constructed
[INFO] [stdout]  --> src/bin/impl.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Color {
[INFO] [stdout]   |      ----- variant in this enum
[INFO] [stdout] 2 |     Brown,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Manager` and `Supervisor` are never constructed
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Position {
[INFO] [stdout]   |      -------- variants in this enum
[INFO] [stdout] 3 |     Manager,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     Supervisor,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Position` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `work_hours` is never read
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct Employee {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 9  |     position: Position,
[INFO] [stdout] 10 |     work_hours: i64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Manager` and `Supervisor` are never constructed
[INFO] [stdout]  --> src/bin/derive.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Position {
[INFO] [stdout]   |      -------- variants in this enum
[INFO] [stdout] 3 |     Manager,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     Supervisor,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Position` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `work_hours` is never read
[INFO] [stdout]   --> src/bin/derive.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct Employee {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 9  |     position: Position,
[INFO] [stdout] 10 |     work_hours: i64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Manager` and `Supervisor` are never constructed
[INFO] [stdout]  --> src/bin/derive.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Position {
[INFO] [stdout]   |      -------- variants in this enum
[INFO] [stdout] 3 |     Manager,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     Supervisor,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Position` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `work_hours` is never read
[INFO] [stdout]   --> src/bin/derive.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct Employee {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 9  |     position: Position,
[INFO] [stdout] 10 |     work_hours: i64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Manager` and `Supervisor` are never constructed
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Position {
[INFO] [stdout]   |      -------- variants in this enum
[INFO] [stdout] 3 |     Manager,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     Supervisor,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Position` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `work_hours` is never read
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct Employee {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 9  |     position: Position,
[INFO] [stdout] 10 |     work_hours: i64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "334aabe64e7a2bee191faaf0a560f90684f2e553f96865fd1080d5e176c3caf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "334aabe64e7a2bee191faaf0a560f90684f2e553f96865fd1080d5e176c3caf5", kill_on_drop: false }`
[INFO] [stdout] 334aabe64e7a2bee191faaf0a560f90684f2e553f96865fd1080d5e176c3caf5