[INFO] cloning repository https://github.com/whereistejas/minimal-blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whereistejas/minimal-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhereistejas%2Fminimal-blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhereistejas%2Fminimal-blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58637c02473fed4bdcf243e2d7eaffe6b59a457f
[INFO] testing whereistejas/minimal-blockchain against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhereistejas%2Fminimal-blockchain" "/workspace/builds/worker-69/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whereistejas/minimal-blockchain on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whereistejas/minimal-blockchain
[INFO] finished tweaking git repo https://github.com/whereistejas/minimal-blockchain
[INFO] tweaked toml for git repo https://github.com/whereistejas/minimal-blockchain written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate git repo https://github.com/whereistejas/minimal-blockchain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd793d43234b3b02b8d935ebfd6d0cbc5c7e97e2606e4b3d5ff6785493a6f81d
[INFO] running `Command { std: "docker" "start" "-a" "dd793d43234b3b02b8d935ebfd6d0cbc5c7e97e2606e4b3d5ff6785493a6f81d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd793d43234b3b02b8d935ebfd6d0cbc5c7e97e2606e4b3d5ff6785493a6f81d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd793d43234b3b02b8d935ebfd6d0cbc5c7e97e2606e4b3d5ff6785493a6f81d", kill_on_drop: false }`
[INFO] [stdout] dd793d43234b3b02b8d935ebfd6d0cbc5c7e97e2606e4b3d5ff6785493a6f81d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a37766305c1b740983c69c903528db1b36fa6e2e7a1d2f504f578281eeee5f99
[INFO] running `Command { std: "docker" "start" "-a" "a37766305c1b740983c69c903528db1b36fa6e2e7a1d2f504f578281eeee5f99", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling minimal-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `created_at`
[INFO] [stdout]   --> src/transaction/mod.rs:66:46
[INFO] [stdout]    |
[INFO] [stdout] 66 |             TransactionType::AccountCreate { created_at, user } => {
[INFO] [stdout]    |                                              ^^^^^^^^^^ help: try ignoring the field: `created_at: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "a37766305c1b740983c69c903528db1b36fa6e2e7a1d2f504f578281eeee5f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a37766305c1b740983c69c903528db1b36fa6e2e7a1d2f504f578281eeee5f99", kill_on_drop: false }`
[INFO] [stdout] a37766305c1b740983c69c903528db1b36fa6e2e7a1d2f504f578281eeee5f99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d6a7cea57c92d9c1c022d7047bdb3c9da9399300da3575a6d859412a13bebad
[INFO] running `Command { std: "docker" "start" "-a" "1d6a7cea57c92d9c1c022d7047bdb3c9da9399300da3575a6d859412a13bebad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused variable: `created_at`
[INFO] [stdout]   --> src/transaction/mod.rs:66:46
[INFO] [stdout]    |
[INFO] [stdout] 66 |             TransactionType::AccountCreate { created_at, user } => {
[INFO] [stdout]    |                                              ^^^^^^^^^^ help: try ignoring the field: `created_at: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling minimal-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `created_at`
[INFO] [stdout]   --> src/transaction/mod.rs:66:46
[INFO] [stdout]    |
[INFO] [stdout] 66 |             TransactionType::AccountCreate { created_at, user } => {
[INFO] [stdout]    |                                              ^^^^^^^^^^ help: try ignoring the field: `created_at: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "1d6a7cea57c92d9c1c022d7047bdb3c9da9399300da3575a6d859412a13bebad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d6a7cea57c92d9c1c022d7047bdb3c9da9399300da3575a6d859412a13bebad", kill_on_drop: false }`
[INFO] [stdout] 1d6a7cea57c92d9c1c022d7047bdb3c9da9399300da3575a6d859412a13bebad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ede74cf720f2ac1f9d61643d0e7f3dea4434815d1918ee1bd8f311aba2fcf35d
[INFO] running `Command { std: "docker" "start" "-a" "ede74cf720f2ac1f9d61643d0e7f3dea4434815d1918ee1bd8f311aba2fcf35d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `created_at`
[INFO] [stderr]   --> src/transaction/mod.rs:66:46
[INFO] [stderr]    |
[INFO] [stderr] 66 |             TransactionType::AccountCreate { created_at, user } => {
[INFO] [stderr]    |                                              ^^^^^^^^^^ help: try ignoring the field: `created_at: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `minimal-blockchain` (lib) generated 1 warning
[INFO] [stderr] warning: `minimal-blockchain` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minimal_blockchain-8cbac57f045e33f9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-9451023ec12b9744)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minimal-blockchain
[INFO] [stdout] running 1 test
[INFO] [stdout] test duplicate_accounts ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ede74cf720f2ac1f9d61643d0e7f3dea4434815d1918ee1bd8f311aba2fcf35d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ede74cf720f2ac1f9d61643d0e7f3dea4434815d1918ee1bd8f311aba2fcf35d", kill_on_drop: false }`
[INFO] [stdout] ede74cf720f2ac1f9d61643d0e7f3dea4434815d1918ee1bd8f311aba2fcf35d