[INFO] cloning repository https://github.com/coltonweaver/example_naive_blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coltonweaver/example_naive_blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoltonweaver%2Fexample_naive_blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoltonweaver%2Fexample_naive_blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da64fcbb9e11c4a26c19512b8916516f2f5356a4
[INFO] checking coltonweaver/example_naive_blockchain against master#2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4 for pr-84385
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoltonweaver%2Fexample_naive_blockchain" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coltonweaver/example_naive_blockchain on toolchain 2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/coltonweaver/example_naive_blockchain
[INFO] finished tweaking git repo https://github.com/coltonweaver/example_naive_blockchain
[INFO] tweaked toml for git repo https://github.com/coltonweaver/example_naive_blockchain written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/coltonweaver/example_naive_blockchain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha256 v1.0.3
[INFO] [stderr]   Downloaded prost-derive v0.10.1
[INFO] [stderr]   Downloaded which v4.2.5
[INFO] [stderr]   Downloaded prost-types v0.10.1
[INFO] [stderr]   Downloaded prost v0.10.1
[INFO] [stderr]   Downloaded prettyplease v0.1.10
[INFO] [stderr]   Downloaded tonic-build v0.7.1
[INFO] [stderr]   Downloaded tonic v0.7.1
[INFO] [stderr]   Downloaded tokio v1.18.0
[INFO] [stderr]   Downloaded prost-build v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08da7db0926706fc6f96c80d312e4ffe7b1a7bc64074315cbb8fddee5ab2b78a
[INFO] running `Command { std: "docker" "start" "-a" "08da7db0926706fc6f96c80d312e4ffe7b1a7bc64074315cbb8fddee5ab2b78a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08da7db0926706fc6f96c80d312e4ffe7b1a7bc64074315cbb8fddee5ab2b78a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08da7db0926706fc6f96c80d312e4ffe7b1a7bc64074315cbb8fddee5ab2b78a", kill_on_drop: false }`
[INFO] [stdout] 08da7db0926706fc6f96c80d312e4ffe7b1a7bc64074315cbb8fddee5ab2b78a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49d1ae02c6d15bf009277cf6b9958fdc74b5a1695f665a3deb614546dbd0322e
[INFO] running `Command { std: "docker" "start" "-a" "49d1ae02c6d15bf009277cf6b9958fdc74b5a1695f665a3deb614546dbd0322e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling prost-build v0.10.1
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking http-range-header v0.3.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking sync_wrapper v0.1.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling prettyplease v0.1.10
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking matchit v0.5.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking sha256 v1.0.3
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling prost-derive v0.10.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking tokio v1.18.0
[INFO] [stderr]     Checking axum-core v0.2.3
[INFO] [stderr]    Compiling prost v0.10.1
[INFO] [stderr]    Compiling prost-types v0.10.1
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling tonic-build v0.7.1
[INFO] [stderr]     Checking tokio-util v0.7.1
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]    Compiling example_blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking tower v0.4.12
[INFO] [stderr]     Checking tower-http v0.3.2
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]     Checking axum v0.5.4
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking tonic v0.7.1
[INFO] [stdout] warning: associated function `replace_chain_if_invalid` is never used
[INFO] [stdout]   --> src/blockchain.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn replace_chain_if_invalid(&mut self, new_chain: &mut Blockchain) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `replace_chain_if_invalid` is never used
[INFO] [stdout]   --> src/blockchain.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn replace_chain_if_invalid(&mut self, new_chain: &mut Blockchain) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.05s
[INFO] running `Command { std: "docker" "inspect" "49d1ae02c6d15bf009277cf6b9958fdc74b5a1695f665a3deb614546dbd0322e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49d1ae02c6d15bf009277cf6b9958fdc74b5a1695f665a3deb614546dbd0322e", kill_on_drop: false }`
[INFO] [stdout] 49d1ae02c6d15bf009277cf6b9958fdc74b5a1695f665a3deb614546dbd0322e