[INFO] cloning repository https://github.com/Guocork/design-model
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Guocork/design-model" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuocork%2Fdesign-model", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuocork%2Fdesign-model'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c746856be81db98b6bb782d5baab187ea24e291
[INFO] checking Guocork/design-model/1c746856be81db98b6bb782d5baab187ea24e291 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuocork%2Fdesign-model" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Guocork/design-model on toolchain ccf408f4326a858c00dd845a64a86b16f360a801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Guocork/design-model
[INFO] finished tweaking git repo https://github.com/Guocork/design-model
[INFO] tweaked toml for git repo https://github.com/Guocork/design-model written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Guocork/design-model 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" "+ccf408f4326a858c00dd845a64a86b16f360a801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a170080bb06c22638206e29eb19732338c63abd14cc2cad46011c5d5ab578299
[INFO] running `Command { std: "docker" "start" "-a" "a170080bb06c22638206e29eb19732338c63abd14cc2cad46011c5d5ab578299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a170080bb06c22638206e29eb19732338c63abd14cc2cad46011c5d5ab578299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a170080bb06c22638206e29eb19732338c63abd14cc2cad46011c5d5ab578299", kill_on_drop: false }`
[INFO] [stdout] a170080bb06c22638206e29eb19732338c63abd14cc2cad46011c5d5ab578299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec4bea230e76b37f7afdd59d8b5890e7e69a33f3a7d659727fb5563948a0e0ec
[INFO] running `Command { std: "docker" "start" "-a" "ec4bea230e76b37f7afdd59d8b5890e7e69a33f3a7d659727fb5563948a0e0ec", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Migrating Cargo.toml from 2021 edition to 2024
[INFO] [stderr]     Checking design-model v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/part13.rs (1 fix)
[INFO] [stderr]        Fixed src/part5.rs (1 fix)
[INFO] [stderr]        Fixed src/part8.rs (1 fix)
[INFO] [stderr]        Fixed src/part14.rs (1 fix)
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/part2.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let b = Box::new(a.deref());
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/part2.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let a = A(1);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/part2.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |             let b = B(2);
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `readable`
[INFO] [stdout]   --> src/part4.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let readable: &mut dyn io::Read = if arg == "-" {
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_readable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/part4.rs (2 fixes)
[INFO] [stderr]        Fixed src/part6.rs (1 fix)
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/part2.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let b = Box::new(a.deref());
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr] Running `cargo check` to verify 2024
[INFO] [stderr]     Checking design-model v0.1.0 (/tmp/fixit)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io`
[INFO] [stdout]   --> src/part4.rs:19:32
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let readable: &mut dyn io::Read = if arg == "-" {
[INFO] [stdout]    |                                ^^ use of undeclared crate or module `io`
[INFO] [stdout]    |
[INFO] [stdout] help: a builtin type with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let readable: &mut dyn i8::Read = if arg == "-" {
[INFO] [stdout]    |                                ~~
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 11 +     use std::io;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io`
[INFO] [stdout]   --> src/part4.rs:20:26
[INFO] [stdout]    |
[INFO] [stdout] 20 |             stdin_read = io::stdin();
[INFO] [stdout]    |                          ^^ use of undeclared crate or module `io`
[INFO] [stdout]    |
[INFO] [stdout] help: a builtin type with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 20 |             stdin_read = i8::stdin();
[INFO] [stdout]    |                          ~~
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 11 +     use std::io;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fs`
[INFO] [stdout]   --> src/part4.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 |             file_read = fs::File::open(arg)?;
[INFO] [stdout]    |                         ^^ use of undeclared crate or module `fs`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 11 +     use std::fs::File;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `File`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 24 -             file_read = fs::File::open(arg)?;
[INFO] [stdout] 24 +             file_read = File::open(arg)?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Rc`
[INFO] [stdout]   --> src/part6.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let a = Rc::new(1);
[INFO] [stdout]    |                 ^^ use of undeclared type `Rc`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 12 +     use std::rc::Rc;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Rc`
[INFO] [stdout]   --> src/part6.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let b = Rc::new(2);
[INFO] [stdout]    |                 ^^ use of undeclared type `Rc`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 12 +     use std::rc::Rc;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Rc`
[INFO] [stdout]   --> src/part6.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let c = Rc::new(3);
[INFO] [stdout]    |                 ^^ use of undeclared type `Rc`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 12 +     use std::rc::Rc;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Rc`
[INFO] [stdout]   --> src/part6.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let a = Rc::new(1);
[INFO] [stdout]    |                 ^^ use of undeclared type `Rc`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 12 +     use std::rc::Rc;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Rc`
[INFO] [stdout]   --> src/part6.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let b = Rc::new(2);
[INFO] [stdout]    |                 ^^ use of undeclared type `Rc`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 12 +     use std::rc::Rc;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Rc`
[INFO] [stdout]   --> src/part6.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let c = Rc::new(3);
[INFO] [stdout]    |                 ^^ use of undeclared type `Rc`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 12 +     use std::rc::Rc;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/part2.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let b = Box::new(a.deref());
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/part4.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/part6.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `design-model` (bin "design-model" test) due to 10 previous errors; 2 warnings emitted
[INFO] [stderr] error: failed to check after updating to 2024
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "ec4bea230e76b37f7afdd59d8b5890e7e69a33f3a7d659727fb5563948a0e0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4bea230e76b37f7afdd59d8b5890e7e69a33f3a7d659727fb5563948a0e0ec", kill_on_drop: false }`
[INFO] [stdout] ec4bea230e76b37f7afdd59d8b5890e7e69a33f3a7d659727fb5563948a0e0ec