[INFO] cloning repository https://github.com/wizzywit/bchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wizzywit/bchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwizzywit%2Fbchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwizzywit%2Fbchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52693faa7edf9fc7a6e7213cc628063d359e430e
[INFO] checking wizzywit/bchain against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwizzywit%2Fbchain" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wizzywit/bchain on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wizzywit/bchain
[INFO] finished tweaking git repo https://github.com/wizzywit/bchain
[INFO] tweaked toml for git repo https://github.com/wizzywit/bchain written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/wizzywit/bchain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e1fe2066c95080ba1aef700b68801bcc3189f98667c1dbb364196de4eed90a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2e1fe2066c95080ba1aef700b68801bcc3189f98667c1dbb364196de4eed90a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e1fe2066c95080ba1aef700b68801bcc3189f98667c1dbb364196de4eed90a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e1fe2066c95080ba1aef700b68801bcc3189f98667c1dbb364196de4eed90a4", kill_on_drop: false }`
[INFO] [stdout] 2e1fe2066c95080ba1aef700b68801bcc3189f98667c1dbb364196de4eed90a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 557b286bf3c96d0910ea59fd00d998b9d28eec02773d2352bca9fd8c62433352
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "557b286bf3c96d0910ea59fd00d998b9d28eec02773d2352bca9fd8c62433352", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking bchain_v1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `pending_transactions`
[INFO] [stdout]   --> src/bchain/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pending_transactions: Vec<Transaction>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ChangeStoreValue`
[INFO] [stdout]   --> src/bchain/mod.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     ChangeStoreValue { key: String, value: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `store`
[INFO] [stdout]   --> src/bchain/mod.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     store: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `acc_type`
[INFO] [stdout]   --> src/bchain/mod.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     acc_type: AccountType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Contract`
[INFO] [stdout]   --> src/bchain/mod.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     Contract,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Validator`
[INFO] [stdout]   --> src/bchain/mod.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | /     Validator {
[INFO] [stdout] 61 | |         correctly_validated_blocks: u128,
[INFO] [stdout] 62 | |         incorrectly_validated_blocks: u128,
[INFO] [stdout] 63 | |         you_get_the_idea: bool,
[INFO] [stdout] 64 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pending_transactions`
[INFO] [stdout]   --> src/bchain/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pending_transactions: Vec<Transaction>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ChangeStoreValue`
[INFO] [stdout]   --> src/bchain/mod.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     ChangeStoreValue { key: String, value: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `store`
[INFO] [stdout]   --> src/bchain/mod.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     store: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `acc_type`
[INFO] [stdout]   --> src/bchain/mod.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     acc_type: AccountType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Contract`
[INFO] [stdout]   --> src/bchain/mod.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     Contract,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Validator`
[INFO] [stdout]   --> src/bchain/mod.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | /     Validator {
[INFO] [stdout] 61 | |         correctly_validated_blocks: u128,
[INFO] [stdout] 62 | |         incorrectly_validated_blocks: u128,
[INFO] [stdout] 63 | |         you_get_the_idea: bool,
[INFO] [stdout] 64 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.93s
[INFO] running `Command { std: "docker" "inspect" "557b286bf3c96d0910ea59fd00d998b9d28eec02773d2352bca9fd8c62433352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "557b286bf3c96d0910ea59fd00d998b9d28eec02773d2352bca9fd8c62433352", kill_on_drop: false }`
[INFO] [stdout] 557b286bf3c96d0910ea59fd00d998b9d28eec02773d2352bca9fd8c62433352