[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#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwizzywit%2Fbchain" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wizzywit/bchain on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-29/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b295b13f558e06ac87299a6090c31c71e0745eb2bdc36ddb1683016f7d979554
[INFO] running `Command { std: "docker" "start" "-a" "b295b13f558e06ac87299a6090c31c71e0745eb2bdc36ddb1683016f7d979554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b295b13f558e06ac87299a6090c31c71e0745eb2bdc36ddb1683016f7d979554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b295b13f558e06ac87299a6090c31c71e0745eb2bdc36ddb1683016f7d979554", kill_on_drop: false }`
[INFO] [stdout] b295b13f558e06ac87299a6090c31c71e0745eb2bdc36ddb1683016f7d979554
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ade9df459434289fc0fa322891364ee0b5e5facef18929d873386332db397e5
[INFO] running `Command { std: "docker" "start" "-a" "4ade9df459434289fc0fa322891364ee0b5e5facef18929d873386332db397e5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[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 crypto-mac v0.8.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking bchain_v1 v0.1.0 (/opt/rustwide/workdir)
[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]    = note: `#[warn(dead_code)]` on by default
[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: 3 warnings emitted
[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]    = note: `#[warn(dead_code)]` on by default
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.87s
[INFO] running `Command { std: "docker" "inspect" "4ade9df459434289fc0fa322891364ee0b5e5facef18929d873386332db397e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ade9df459434289fc0fa322891364ee0b5e5facef18929d873386332db397e5", kill_on_drop: false }`
[INFO] [stdout] 4ade9df459434289fc0fa322891364ee0b5e5facef18929d873386332db397e5