[INFO] cloning repository https://github.com/jacobrreed/rblockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jacobrreed/rblockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobrreed%2Frblockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobrreed%2Frblockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 755ea0779d77b1267214c2cf12fa1949d59d7459
[INFO] building jacobrreed/rblockchain against try#dd06aa59b9c8562b8b5652c638defc5836c326d0 for pr-137044-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobrreed%2Frblockchain" "/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/jacobrreed/rblockchain on toolchain dd06aa59b9c8562b8b5652c638defc5836c326d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jacobrreed/rblockchain
[INFO] finished tweaking git repo https://github.com/jacobrreed/rblockchain
[INFO] tweaked toml for git repo https://github.com/jacobrreed/rblockchain written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jacobrreed/rblockchain 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" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "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-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84c870260a50491c43d35bb70b5dbd83eee517300024f54a06229dd3c48a1f59
[INFO] running `Command { std: "docker" "start" "-a" "84c870260a50491c43d35bb70b5dbd83eee517300024f54a06229dd3c48a1f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84c870260a50491c43d35bb70b5dbd83eee517300024f54a06229dd3c48a1f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c870260a50491c43d35bb70b5dbd83eee517300024f54a06229dd3c48a1f59", kill_on_drop: false }`
[INFO] [stdout] 84c870260a50491c43d35bb70b5dbd83eee517300024f54a06229dd3c48a1f59
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a025e6f88bcf0920281b1e6b86c44d0da086e681ab40aa651804210f1944098
[INFO] running `Command { std: "docker" "start" "-a" "2a025e6f88bcf0920281b1e6b86c44d0da086e681ab40aa651804210f1944098", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.7
[INFO] [stderr]    Compiling rblockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `genesis_block` is never read
[INFO] [stdout]   --> src/models/blockchain.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Blockchain {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 9  |     // The first block to be added to the chain.
[INFO] [stdout] 10 |     pub genesis_block: Block,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Blockchain` has derived impls for the traits `Clone` and `Debug`, but these are 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 6.67s
[INFO] running `Command { std: "docker" "inspect" "2a025e6f88bcf0920281b1e6b86c44d0da086e681ab40aa651804210f1944098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a025e6f88bcf0920281b1e6b86c44d0da086e681ab40aa651804210f1944098", kill_on_drop: false }`
[INFO] [stdout] 2a025e6f88bcf0920281b1e6b86c44d0da086e681ab40aa651804210f1944098
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4d84f75a438b2b4c12b53eae363bd2a34b3cbcbe94564da1806a21869317860
[INFO] running `Command { std: "docker" "start" "-a" "e4d84f75a438b2b4c12b53eae363bd2a34b3cbcbe94564da1806a21869317860", kill_on_drop: false }`
[INFO] [stderr]    Compiling rblockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `genesis_block` is never read
[INFO] [stdout]   --> src/models/blockchain.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Blockchain {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 9  |     // The first block to be added to the chain.
[INFO] [stdout] 10 |     pub genesis_block: Block,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Blockchain` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "e4d84f75a438b2b4c12b53eae363bd2a34b3cbcbe94564da1806a21869317860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d84f75a438b2b4c12b53eae363bd2a34b3cbcbe94564da1806a21869317860", kill_on_drop: false }`
[INFO] [stdout] e4d84f75a438b2b4c12b53eae363bd2a34b3cbcbe94564da1806a21869317860