[INFO] cloning repository https://github.com/Ry-Kurihara/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/Ry-Kurihara/rust_learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRy-Kurihara%2Frust_learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRy-Kurihara%2Frust_learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2da123a29ae50e9e813ca2b6326af44cb9fe2c25
[INFO] testing Ry-Kurihara/rust_learning against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRy-Kurihara%2Frust_learning" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Ry-Kurihara/rust_learning
[INFO] finished tweaking git repo https://github.com/Ry-Kurihara/rust_learning
[INFO] tweaked toml for git repo https://github.com/Ry-Kurihara/rust_learning written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Ry-Kurihara/rust_learning on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Ry-Kurihara/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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded text-colorizer v1.0.0
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37cc1b89e548d5482ba720bff9d051d97be7a3bcbbf078b2b7667f8fa883ecaf
[INFO] running `Command { std: "docker" "start" "-a" "37cc1b89e548d5482ba720bff9d051d97be7a3bcbbf078b2b7667f8fa883ecaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37cc1b89e548d5482ba720bff9d051d97be7a3bcbbf078b2b7667f8fa883ecaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37cc1b89e548d5482ba720bff9d051d97be7a3bcbbf078b2b7667f8fa883ecaf", kill_on_drop: false }`
[INFO] [stdout] 37cc1b89e548d5482ba720bff9d051d97be7a3bcbbf078b2b7667f8fa883ecaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 703b99c2405420f3fe84f8ba34639767eb9b8be13c9fe8ff9f057668381b53f9
[INFO] running `Command { std: "docker" "start" "-a" "703b99c2405420f3fe84f8ba34639767eb9b8be13c9fe8ff9f057668381b53f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling inflate v0.2.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling text-colorizer v1.0.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling image v0.13.0
[INFO] [stderr]    Compiling rust_learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: the method `sum` exists for struct `Point<{integer}>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/bin/sand.rs:18:40
[INFO] [stdout]    |
[INFO] [stdout]  6 | struct Point<T> {
[INFO] [stdout]    | --------------- method `sum` not found for this struct because it doesn't satisfy `Point<{integer}>: Iterator`
[INFO] [stdout] ...
[INFO] [stdout] 18 |     println!("Sum of integers: {}", p1.sum());
[INFO] [stdout]    |                                        ^^^ method cannot be called on `Point<{integer}>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `Point<{integer}>: Iterator`
[INFO] [stdout]            which is required by `&mut Point<{integer}>: Iterator`
[INFO] [stdout] note: the trait `Iterator` must be implemented
[INFO] [stdout]   --> /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/iter/traits/iterator.rs:40:0
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following traits define an item `sum`, perhaps you need to implement one of them:
[INFO] [stdout]            candidate #1: `Summable`
[INFO] [stdout]            candidate #2: `Iterator`
[INFO] [stdout]            candidate #3: `Sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `sum` exists for struct `Point<{float}>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/bin/sand.rs:19:38
[INFO] [stdout]    |
[INFO] [stdout]  6 | struct Point<T> {
[INFO] [stdout]    | --------------- method `sum` not found for this struct because it doesn't satisfy `Point<{float}>: Iterator`
[INFO] [stdout] ...
[INFO] [stdout] 19 |     println!("Sum of floats: {}", p2.sum());
[INFO] [stdout]    |                                      ^^^ method cannot be called on `Point<{float}>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `Point<{float}>: Iterator`
[INFO] [stdout]            which is required by `&mut Point<{float}>: Iterator`
[INFO] [stdout] note: the trait `Iterator` must be implemented
[INFO] [stdout]   --> /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/iter/traits/iterator.rs:40:0
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following traits define an item `sum`, perhaps you need to implement one of them:
[INFO] [stdout]            candidate #1: `Summable`
[INFO] [stdout]            candidate #2: `Iterator`
[INFO] [stdout]            candidate #3: `Sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_learning` (bin "sand") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "703b99c2405420f3fe84f8ba34639767eb9b8be13c9fe8ff9f057668381b53f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "703b99c2405420f3fe84f8ba34639767eb9b8be13c9fe8ff9f057668381b53f9", kill_on_drop: false }`
[INFO] [stdout] 703b99c2405420f3fe84f8ba34639767eb9b8be13c9fe8ff9f057668381b53f9
