[INFO] cloning repository https://github.com/nickeb96/huffman-compression [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nickeb96/huffman-compression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickeb96%2Fhuffman-compression", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickeb96%2Fhuffman-compression'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3a67559af291afdb8173a14188abcb2d3fedf4d5 [INFO] checking nickeb96/huffman-compression against try#4c525d43052e921548191f82f6ed9e2f9e98dcb1 for pr-136988 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickeb96%2Fhuffman-compression" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nickeb96/huffman-compression on toolchain 4c525d43052e921548191f82f6ed9e2f9e98dcb1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nickeb96/huffman-compression [INFO] finished tweaking git repo https://github.com/nickeb96/huffman-compression [INFO] tweaked toml for git repo https://github.com/nickeb96/huffman-compression written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/nickeb96/huffman-compression 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" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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 indextree v1.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c504a4a4be511c87c150cdd24f53336864e99eed97c16fcb2cca8c5f0779e337 [INFO] running `Command { std: "docker" "start" "-a" "c504a4a4be511c87c150cdd24f53336864e99eed97c16fcb2cca8c5f0779e337", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c504a4a4be511c87c150cdd24f53336864e99eed97c16fcb2cca8c5f0779e337", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c504a4a4be511c87c150cdd24f53336864e99eed97c16fcb2cca8c5f0779e337", kill_on_drop: false }` [INFO] [stdout] c504a4a4be511c87c150cdd24f53336864e99eed97c16fcb2cca8c5f0779e337 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ade237e505a92f88628afacf072d12e75abf2c3c4d186d0e1af6ed81dabcd1dd [INFO] running `Command { std: "docker" "start" "-a" "ade237e505a92f88628afacf072d12e75abf2c3c4d186d0e1af6ed81dabcd1dd", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Checking bit-vec v0.5.0 [INFO] [stderr] Checking indextree v1.3.0 [INFO] [stderr] Checking huffman-compression v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(optin_builtin_traits)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: renamed to `auto_traits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(box_syntax)] [INFO] [stdout] | ^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: replaced with `#[rustc_box]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(optin_builtin_traits)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: renamed to `auto_traits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(box_syntax)] [INFO] [stdout] | ^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: replaced with `#[rustc_box]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: auto traits are experimental and possibly buggy [INFO] [stdout] --> src/lib.rs:306:1 [INFO] [stdout] | [INFO] [stdout] 306 | pub auto trait NotDecodingError {} // auto implement for all types [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #13231 for more information [INFO] [stdout] = help: add `#![feature(auto_traits)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-03-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: auto traits are experimental and possibly buggy [INFO] [stdout] --> src/lib.rs:306:1 [INFO] [stdout] | [INFO] [stdout] 306 | pub auto trait NotDecodingError {} // auto implement for all types [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #13231 for more information [INFO] [stdout] = help: add `#![feature(auto_traits)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-03-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0557, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0557, E0658. [INFO] [stdout] [INFO] [stderr] error: could not compile `huffman-compression` (lib test) due to 3 previous errors [INFO] [stdout] For more information about an error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `huffman-compression` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "ade237e505a92f88628afacf072d12e75abf2c3c4d186d0e1af6ed81dabcd1dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ade237e505a92f88628afacf072d12e75abf2c3c4d186d0e1af6ed81dabcd1dd", kill_on_drop: false }` [INFO] [stdout] ade237e505a92f88628afacf072d12e75abf2c3c4d186d0e1af6ed81dabcd1dd