[INFO] cloning repository https://github.com/init-center/rust_learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/init-center/rust_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finit-center%2Frust_learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finit-center%2Frust_learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 718104de877363ca20dd09b77ab21d73955faef8
[INFO] testing init-center/rust_learn against beta-2025-01-12 for beta-1.85-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finit-center%2Frust_learn" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/init-center/rust_learn on toolchain beta-2025-01-12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-01-12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/init-center/rust_learn
[INFO] finished tweaking git repo https://github.com/init-center/rust_learn
[INFO] tweaked toml for git repo https://github.com/init-center/rust_learn written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/init-center/rust_learn 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" "+beta-2025-01-12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dc355f3401487d562bd266204951a138de5daf6bc9c41f81a5c01ac27a99e68
[INFO] running `Command { std: "docker" "start" "-a" "8dc355f3401487d562bd266204951a138de5daf6bc9c41f81a5c01ac27a99e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dc355f3401487d562bd266204951a138de5daf6bc9c41f81a5c01ac27a99e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dc355f3401487d562bd266204951a138de5daf6bc9c41f81a5c01ac27a99e68", kill_on_drop: false }`
[INFO] [stdout] 8dc355f3401487d562bd266204951a138de5daf6bc9c41f81a5c01ac27a99e68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 087e08c994fcf5b4377600cec604b539e1404560a0576f7ab8d25154b728ef9e
[INFO] running `Command { std: "docker" "start" "-a" "087e08c994fcf5b4377600cec604b539e1404560a0576f7ab8d25154b728ef9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `six`
[INFO] [stdout]    --> src/main.rs:676:9
[INFO] [stdout]     |
[INFO] [stdout] 676 |     let six = plus_one(five);
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_six`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `none`
[INFO] [stdout]    --> src/main.rs:677:9
[INFO] [stdout]     |
[INFO] [stdout] 677 |     let none = plus_one(None);
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_none`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hm`
[INFO] [stdout]    --> src/main.rs:806:13
[INFO] [stdout]     |
[INFO] [stdout] 806 |     let mut hm: HashMap<String, i32> = HashMap::new();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_hm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:806:9
[INFO] [stdout]     |
[INFO] [stdout] 806 |     let mut hm: HashMap<String, i32> = HashMap::new();
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/main.rs:479:22
[INFO] [stdout]     |
[INFO] [stdout] 479 |         struct Color(i32, i32, i32);
[INFO] [stdout]     |                ----- ^^^  ^^^  ^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout]     = note: `Color` 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: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/main.rs:481:22
[INFO] [stdout]     |
[INFO] [stdout] 481 |         struct Point(i32, i32, i32);
[INFO] [stdout]     |                ----- ^^^  ^^^  ^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout]     = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]    --> src/main.rs:551:13
[INFO] [stdout]     |
[INFO] [stdout] 550 |         struct Rectangle {
[INFO] [stdout]     |                --------- fields in this struct
[INFO] [stdout] 551 |             width: u32,
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 552 |             height: u32,
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:591:12
[INFO] [stdout]     |
[INFO] [stdout] 591 |         V4(String),
[INFO] [stdout]     |         -- ^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 591 |         V4(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:592:12
[INFO] [stdout]     |
[INFO] [stdout] 592 |         V6(String),
[INFO] [stdout]     |         -- ^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 592 |         V6(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:603:15
[INFO] [stdout]     |
[INFO] [stdout] 603 |         Write(String),
[INFO] [stdout]     |         ----- ^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 603 |         Write(()),
[INFO] [stdout]     |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Quit`, `Move`, and `ChangeColor` are never constructed
[INFO] [stdout]    --> src/main.rs:601:9
[INFO] [stdout]     |
[INFO] [stdout] 600 |     enum Message {
[INFO] [stdout]     |          ------- variants in this enum
[INFO] [stdout] 601 |         Quit,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 602 |         Move { x: i32, y: i32 },
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 603 |         Write(String),
[INFO] [stdout] 604 |         ChangeColor(i32, i32, i32),
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Alabama` is never constructed
[INFO] [stdout]    --> src/main.rs:636:9
[INFO] [stdout]     |
[INFO] [stdout] 635 |     enum UsState {
[INFO] [stdout]     |          ------- variant in this enum
[INFO] [stdout] 636 |         Alabama,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Penny`, `Nickel`, and `Dime` are never constructed
[INFO] [stdout]    --> src/main.rs:642:9
[INFO] [stdout]     |
[INFO] [stdout] 641 |     enum Coin {
[INFO] [stdout]     |          ---- variants in this enum
[INFO] [stdout] 642 |         Penny,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 643 |         Nickel,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 644 |         Dime,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `toast` and `seasonal_fruit` are never read
[INFO] [stdout]    --> src/main.rs:886:13
[INFO] [stdout]     |
[INFO] [stdout] 885 |     pub struct Breakfast {
[INFO] [stdout]     |                --------- fields in this struct
[INFO] [stdout] 886 |         pub toast: String,
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 887 |         seasonal_fruit: String,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Appetizer` is never used
[INFO] [stdout]    --> src/main.rs:892:14
[INFO] [stdout]     |
[INFO] [stdout] 892 |     pub enum Appetizer {
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "087e08c994fcf5b4377600cec604b539e1404560a0576f7ab8d25154b728ef9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087e08c994fcf5b4377600cec604b539e1404560a0576f7ab8d25154b728ef9e", kill_on_drop: false }`
[INFO] [stdout] 087e08c994fcf5b4377600cec604b539e1404560a0576f7ab8d25154b728ef9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc0ad1fbd052a01f3ea836afd5daf6c907a86e54418db2515b5c2131dc987bbe
[INFO] running `Command { std: "docker" "start" "-a" "cc0ad1fbd052a01f3ea836afd5daf6c907a86e54418db2515b5c2131dc987bbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `six`
[INFO] [stdout]    --> src/main.rs:676:9
[INFO] [stdout]     |
[INFO] [stdout] 676 |     let six = plus_one(five);
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_six`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `none`
[INFO] [stdout]    --> src/main.rs:677:9
[INFO] [stdout]     |
[INFO] [stdout] 677 |     let none = plus_one(None);
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_none`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hm`
[INFO] [stdout]    --> src/main.rs:806:13
[INFO] [stdout]     |
[INFO] [stdout] 806 |     let mut hm: HashMap<String, i32> = HashMap::new();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_hm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:806:9
[INFO] [stdout]     |
[INFO] [stdout] 806 |     let mut hm: HashMap<String, i32> = HashMap::new();
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `toast` and `seasonal_fruit` are never read
[INFO] [stdout]    --> src/main.rs:886:13
[INFO] [stdout]     |
[INFO] [stdout] 885 |     pub struct Breakfast {
[INFO] [stdout]     |                --------- fields in this struct
[INFO] [stdout] 886 |         pub toast: String,
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 887 |         seasonal_fruit: String,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Appetizer` is never used
[INFO] [stdout]    --> src/main.rs:892:14
[INFO] [stdout]     |
[INFO] [stdout] 892 |     pub enum Appetizer {
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/beta-2025-01-12-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustceouev8/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2025-01-12-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-881a28050740af2c.rlib,libgetopts-1ec82257904e6c1a.rlib,libunicode_width-4f5c184aada24a03.rlib,librustc_std_workspace_std-75e27242e8cac7c5.rlib,libstd-2e6eca6bf1681754.rlib,libpanic_unwind-6419b8734ab2f0cb.rlib,libobject-784ada497c5d935e.rlib,libmemchr-9267ffe866ca370f.rlib,libaddr2line-36f3ec5f8f15f213.rlib,libgimli-a0a71c3c5fe00164.rlib,librustc_demangle-95f237535246c825.rlib,libstd_detect-e0bd23c2b0917c59.rlib,libhashbrown-22a7802a8abbef9e.rlib,librustc_std_workspace_alloc-eb0228d54dd99343.rlib,libminiz_oxide-e6c6f516ce70276d.rlib,libadler-af73ed2b2e212982.rlib,libunwind-0000b4ce778574a2.rlib,libcfg_if-1a94dbdc43bc518f.rlib,liblibc-b957950176a614bc.rlib,liballoc-2b137d666ae9b5cb.rlib,librustc_std_workspace_core-4cf833632aafa84c.rlib,libcore-65c2c6d2d6ae570b.rlib,libcompiler_builtins-678c764df5f831e4.rlib}" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2025-01-12-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rust_learn-76c32a7b42b0cd84" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: /usr/bin/ld: final link failed: No space left on device
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_learn` (bin "rust_learn" test) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "cc0ad1fbd052a01f3ea836afd5daf6c907a86e54418db2515b5c2131dc987bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc0ad1fbd052a01f3ea836afd5daf6c907a86e54418db2515b5c2131dc987bbe", kill_on_drop: false }`
[INFO] [stdout] cc0ad1fbd052a01f3ea836afd5daf6c907a86e54418db2515b5c2131dc987bbe