[INFO] cloning repository https://github.com/odgiedev/blockchain-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/odgiedev/blockchain-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fodgiedev%2Fblockchain-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fodgiedev%2Fblockchain-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c00db6baf1d87850866d4bed3c71af58f9e2651a
[INFO] checking odgiedev/blockchain-rust against try#6db1a6a7ebb2ad243051f3ff949f987dd70cde2b+rustflags=-Dreturn-local-variable-ptr for pr-134218
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fodgiedev%2Fblockchain-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/odgiedev/blockchain-rust on toolchain 6db1a6a7ebb2ad243051f3ff949f987dd70cde2b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/odgiedev/blockchain-rust
[INFO] finished tweaking git repo https://github.com/odgiedev/blockchain-rust
[INFO] tweaked toml for git repo https://github.com/odgiedev/blockchain-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/odgiedev/blockchain-rust 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" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a410e1898b36a507c1906c8168a9287431fdfb74fc859fc94fa099b2ddf26713
[INFO] running `Command { std: "docker" "start" "-a" "a410e1898b36a507c1906c8168a9287431fdfb74fc859fc94fa099b2ddf26713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a410e1898b36a507c1906c8168a9287431fdfb74fc859fc94fa099b2ddf26713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a410e1898b36a507c1906c8168a9287431fdfb74fc859fc94fa099b2ddf26713", kill_on_drop: false }`
[INFO] [stdout] a410e1898b36a507c1906c8168a9287431fdfb74fc859fc94fa099b2ddf26713
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dreturn-local-variable-ptr" "-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" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c49e6f021068334cb50c1e0ccc518ba0bb49b9dfc79d90a15383a89e46c024c
[INFO] running `Command { std: "docker" "start" "-a" "9c49e6f021068334cb50c1e0ccc518ba0bb49b9dfc79d90a15383a89e46c024c", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking sha256 v1.1.3
[INFO] [stderr]     Checking blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `index`, `timestamp`, `data`, and `prev_hash` are never read
[INFO] [stdout]  --> src/blockchain.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Block {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 6 |     index: u32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 7 |     timestamp: u128,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 8 |     data: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     prev_hash: String,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index`, `timestamp`, `data`, and `prev_hash` are never read
[INFO] [stdout]  --> src/blockchain.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Block {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 6 |     index: u32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 7 |     timestamp: u128,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 8 |     data: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     prev_hash: String,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "9c49e6f021068334cb50c1e0ccc518ba0bb49b9dfc79d90a15383a89e46c024c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c49e6f021068334cb50c1e0ccc518ba0bb49b9dfc79d90a15383a89e46c024c", kill_on_drop: false }`
[INFO] [stdout] 9c49e6f021068334cb50c1e0ccc518ba0bb49b9dfc79d90a15383a89e46c024c