[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] checking jacobrreed/rblockchain against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobrreed%2Frblockchain" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[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-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jacobrreed/rblockchain on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-targets v0.48.2
[INFO] [stderr]   Downloaded quote v1.0.32
[INFO] [stderr]   Downloaded serde v1.0.183
[INFO] [stderr]   Downloaded cc v1.0.82
[INFO] [stderr]   Downloaded syn v2.0.28
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.48.2
[INFO] [stderr]   Downloaded serde_derive v1.0.183
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.48.2
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.48.2
[INFO] [stderr]   Downloaded windows_i686_gnu v0.48.2
[INFO] [stderr]   Downloaded windows_i686_msvc v0.48.2
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.48.2
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.48.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c62fe7d2b9b4067ae4d2f50722aae9bc466ff1d25341bf6df8d0a5c945a6a80b
[INFO] running `Command { std: "docker" "start" "-a" "c62fe7d2b9b4067ae4d2f50722aae9bc466ff1d25341bf6df8d0a5c945a6a80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c62fe7d2b9b4067ae4d2f50722aae9bc466ff1d25341bf6df8d0a5c945a6a80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c62fe7d2b9b4067ae4d2f50722aae9bc466ff1d25341bf6df8d0a5c945a6a80b", kill_on_drop: false }`
[INFO] [stdout] c62fe7d2b9b4067ae4d2f50722aae9bc466ff1d25341bf6df8d0a5c945a6a80b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0eba428216bb36667604fa714bfd763cdc0ade42e7ef8f8e65090f12bd20b867
[INFO] running `Command { std: "docker" "start" "-a" "0eba428216bb36667604fa714bfd763cdc0ade42e7ef8f8e65090f12bd20b867", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling autocfg v1.1.0
[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]     Checking itoa v1.0.9
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking chrono v0.4.26
[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 v0.10.7
[INFO] [stderr]     Checking 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] [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 2.11s
[INFO] running `Command { std: "docker" "inspect" "0eba428216bb36667604fa714bfd763cdc0ade42e7ef8f8e65090f12bd20b867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eba428216bb36667604fa714bfd763cdc0ade42e7ef8f8e65090f12bd20b867", kill_on_drop: false }`
[INFO] [stdout] 0eba428216bb36667604fa714bfd763cdc0ade42e7ef8f8e65090f12bd20b867