[INFO] cloning repository https://github.com/arthurkeeng/rust_chaining
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arthurkeeng/rust_chaining" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurkeeng%2Frust_chaining", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurkeeng%2Frust_chaining'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef993cc201b667ac64c31801870e39d69b3764ec
[INFO] checking arthurkeeng/rust_chaining against master#cced03bfd61a304243a34504618ecec86c17063f for pr-157082
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurkeeng%2Frust_chaining" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/arthurkeeng/rust_chaining
[INFO] finished tweaking git repo https://github.com/arthurkeeng/rust_chaining
[INFO] tweaked toml for git repo https://github.com/arthurkeeng/rust_chaining written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/arthurkeeng/rust_chaining on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/arthurkeeng/rust_chaining 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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl-sys v0.9.106
[INFO] [stderr]   Downloaded crypto-hash v0.3.4
[INFO] [stderr]   Downloaded commoncrypto v0.2.0
[INFO] [stderr]   Downloaded commoncrypto-sys v0.2.0
[INFO] [stderr]   Downloaded hex v0.3.2
[INFO] [stderr]   Downloaded quote v1.0.40
[INFO] [stderr]   Downloaded unicode-ident v1.0.18
[INFO] [stderr]   Downloaded once_cell v1.21.1
[INFO] [stderr]   Downloaded bitflags v2.9.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.94
[INFO] [stderr]   Downloaded cc v1.2.16
[INFO] [stderr]   Downloaded openssl v0.10.71
[INFO] [stderr]   Downloaded syn v2.0.100
[INFO] [stderr]   Downloaded libc v0.2.171
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d5a05c1b99e83c6a7f5939c00d9ef8911f675016f53c37fec8dceff6343f092c
[INFO] running `Command { std: "docker" "start" "d5a05c1b99e83c6a7f5939c00d9ef8911f675016f53c37fec8dceff6343f092c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d5a05c1b99e83c6a7f5939c00d9ef8911f675016f53c37fec8dceff6343f092c" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5a05c1b99e83c6a7f5939c00d9ef8911f675016f53c37fec8dceff6343f092c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d5a05c1b99e83c6a7f5939c00d9ef8911f675016f53c37fec8dceff6343f092c" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling openssl v0.10.71
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking once_cell v1.21.1
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling openssl-sys v0.9.106
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking rustblockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/block.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{write, Debug};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/block.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{write, Debug};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashable::*`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hashable::*;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Use of ambiguously glob imported trait `Hashable`
[INFO] [stdout]  --> src/main.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use blockchainlibrary::*;
[INFO] [stdout]   |     ----------------- `Hashable` imported ambiguously here
[INFO] [stdout] ...
[INFO] [stdout] 7 |     println!("{:?}" , block.hash());
[INFO] [stdout]   |                             ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: Import `Hashable` explicitly
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #147992 <https://github.com/rust-lang/rust/issues/147992>
[INFO] [stdout]   = note: `#[warn(ambiguous_glob_imported_traits)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashable::*`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hashable::*;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Use of ambiguously glob imported trait `Hashable`
[INFO] [stdout]  --> src/main.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use blockchainlibrary::*;
[INFO] [stdout]   |     ----------------- `Hashable` imported ambiguously here
[INFO] [stdout] ...
[INFO] [stdout] 7 |     println!("{:?}" , block.hash());
[INFO] [stdout]   |                             ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: Import `Hashable` explicitly
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #147992 <https://github.com/rust-lang/rust/issues/147992>
[INFO] [stdout]   = note: `#[warn(ambiguous_glob_imported_traits)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.76s
[INFO] running `Command { std: "docker" "inspect" "d5a05c1b99e83c6a7f5939c00d9ef8911f675016f53c37fec8dceff6343f092c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5a05c1b99e83c6a7f5939c00d9ef8911f675016f53c37fec8dceff6343f092c", kill_on_drop: false }`
[INFO] [stdout] d5a05c1b99e83c6a7f5939c00d9ef8911f675016f53c37fec8dceff6343f092c