[INFO] cloning repository https://github.com/a-poor/fracking [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/a-poor/fracking" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-poor%2Ffracking", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-poor%2Ffracking'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 15d4e214d4f23c30ac51492487abfae89effe2da [INFO] building a-poor/fracking against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-poor%2Ffracking" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/a-poor/fracking on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/a-poor/fracking [INFO] finished tweaking git repo https://github.com/a-poor/fracking [INFO] tweaked toml for git repo https://github.com/a-poor/fracking written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/a-poor/fracking 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 92d41cb4a8050a67bc919b0344335dc39337aac9c7a5357d2ca19f547538cc79 [INFO] running `Command { std: "docker" "start" "-a" "92d41cb4a8050a67bc919b0344335dc39337aac9c7a5357d2ca19f547538cc79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "92d41cb4a8050a67bc919b0344335dc39337aac9c7a5357d2ca19f547538cc79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92d41cb4a8050a67bc919b0344335dc39337aac9c7a5357d2ca19f547538cc79", kill_on_drop: false }` [INFO] [stdout] 92d41cb4a8050a67bc919b0344335dc39337aac9c7a5357d2ca19f547538cc79 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9763efed95e7be40b80e3aa7b9690957b9da22e7929d74ed8a0c9d3597fff7a5 [INFO] running `Command { std: "docker" "start" "-a" "9763efed95e7be40b80e3aa7b9690957b9da22e7929d74ed8a0c9d3597fff7a5", kill_on_drop: false }` [INFO] [stderr] Compiling fracking v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::intrinsics::unreachable` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::intrinsics::unreachable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `core_intrinsics`: intrinsics are unlikely to ever be stabilized, instead they should be used through stabilized interfaces in the rest of the standard library [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::intrinsics::unreachable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(core_intrinsics)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-12-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:106:19 [INFO] [stdout] | [INFO] [stdout] 106 | pub fn f64_approx(key: &str) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/lib.rs:110:23 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn n_keys_between(a: &str, b: &str, n: usize) -> Result, FrackErr> { [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/lib.rs:110:32 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn n_keys_between(a: &str, b: &str, n: usize) -> Result, FrackErr> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/lib.rs:110:41 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn n_keys_between(a: &str, b: &str, n: usize) -> Result, FrackErr> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `head` [INFO] [stdout] --> src/lib.rs:296:9 [INFO] [stdout] | [INFO] [stdout] 296 | let head = x.chars().nth(0).ok_or(FrackErr::InvalidKey(x.to_string()))?; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_head` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dth_char` [INFO] [stdout] --> src/lib.rs:311:21 [INFO] [stdout] | [INFO] [stdout] 311 | let dth_char = BASE_62_DIGITS [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dth_char` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:298:9 [INFO] [stdout] | [INFO] [stdout] 298 | let mut borrow = true; [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] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `fracking` (lib) due to 1 previous error; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "9763efed95e7be40b80e3aa7b9690957b9da22e7929d74ed8a0c9d3597fff7a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9763efed95e7be40b80e3aa7b9690957b9da22e7929d74ed8a0c9d3597fff7a5", kill_on_drop: false }` [INFO] [stdout] 9763efed95e7be40b80e3aa7b9690957b9da22e7929d74ed8a0c9d3597fff7a5