[INFO] cloning repository https://github.com/veplechuc/rust-blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/veplechuc/rust-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fveplechuc%2Frust-blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fveplechuc%2Frust-blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d225fe25ce886404237c240c7c66b414806bde7
[INFO] checking veplechuc/rust-blockchain against try#1f308f12738d8cc40bb23bf0c8114b37c164bb49 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fveplechuc%2Frust-blockchain" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/veplechuc/rust-blockchain on toolchain 1f308f12738d8cc40bb23bf0c8114b37c164bb49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/veplechuc/rust-blockchain
[INFO] finished tweaking git repo https://github.com/veplechuc/rust-blockchain
[INFO] tweaked toml for git repo https://github.com/veplechuc/rust-blockchain written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/veplechuc/rust-blockchain 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" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha256 v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a618e3ad17ea1c7fb5608ef734e621dbad565dfdeed404b9a14df1be9e894301
[INFO] running `Command { std: "docker" "start" "-a" "a618e3ad17ea1c7fb5608ef734e621dbad565dfdeed404b9a14df1be9e894301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a618e3ad17ea1c7fb5608ef734e621dbad565dfdeed404b9a14df1be9e894301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a618e3ad17ea1c7fb5608ef734e621dbad565dfdeed404b9a14df1be9e894301", kill_on_drop: false }`
[INFO] [stdout] a618e3ad17ea1c7fb5608ef734e621dbad565dfdeed404b9a14df1be9e894301
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44915a4a168b7f875247e4c22be4ce3b86c2ae79237d99d58ec5f9a5cc9efd9f
[INFO] running `Command { std: "docker" "start" "-a" "44915a4a168b7f875247e4c22be4ce3b86c2ae79237d99d58ec5f9a5cc9efd9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.1.11
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking cpufeatures v0.2.13
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking tokio v1.39.2
[INFO] [stderr]    Compiling syn v2.0.74
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]     Checking sha256 v1.5.0
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `new_BC` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut new_BC = BlockChain::new(); 
[INFO] [stdout]   |             ^^^^^^ help: convert the identifier to snake case: `new_bc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `new_BC` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut new_BC = BlockChain::new(); 
[INFO] [stdout]   |             ^^^^^^ help: convert the identifier to snake case: `new_bc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.98s
[INFO] running `Command { std: "docker" "inspect" "44915a4a168b7f875247e4c22be4ce3b86c2ae79237d99d58ec5f9a5cc9efd9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44915a4a168b7f875247e4c22be4ce3b86c2ae79237d99d58ec5f9a5cc9efd9f", kill_on_drop: false }`
[INFO] [stdout] 44915a4a168b7f875247e4c22be4ce3b86c2ae79237d99d58ec5f9a5cc9efd9f