[INFO] cloning repository https://github.com/rlkelly/minimum-viable-blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rlkelly/minimum-viable-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frlkelly%2Fminimum-viable-blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frlkelly%2Fminimum-viable-blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d9e5c28ee4995ba16d501c42d9d5d7577f19fe4
[INFO] checking rlkelly/minimum-viable-blockchain against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frlkelly%2Fminimum-viable-blockchain" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rlkelly/minimum-viable-blockchain on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rlkelly/minimum-viable-blockchain
[INFO] finished tweaking git repo https://github.com/rlkelly/minimum-viable-blockchain
[INFO] tweaked toml for git repo https://github.com/rlkelly/minimum-viable-blockchain written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/rlkelly/minimum-viable-blockchain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.26
[INFO] [stderr]   Downloaded bitcoin-bech32 v0.8.1
[INFO] [stderr]   Downloaded secp256k1 v0.12.2
[INFO] [stderr]   Downloaded bitcoin v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97cf577b033540f1b6d7c580d8d8cd66120b0d5fe84bb42cfda33b8971ab4263
[INFO] running `Command { std: "docker" "start" "-a" "97cf577b033540f1b6d7c580d8d8cd66120b0d5fe84bb42cfda33b8971ab4263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97cf577b033540f1b6d7c580d8d8cd66120b0d5fe84bb42cfda33b8971ab4263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97cf577b033540f1b6d7c580d8d8cd66120b0d5fe84bb42cfda33b8971ab4263", kill_on_drop: false }`
[INFO] [stdout] 97cf577b033540f1b6d7c580d8d8cd66120b0d5fe84bb42cfda33b8971ab4263
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3ce6a9d6845bbadc7679f573dd26ebc933ff7f8c2886156158d09ef47c61ddb
[INFO] running `Command { std: "docker" "start" "-a" "b3ce6a9d6845bbadc7679f573dd26ebc933ff7f8c2886156158d09ef47c61ddb", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking bech32 v0.5.0
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]     Checking tokio-sync v0.1.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking tokio-timer v0.2.9
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_pcg v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]     Checking bitcoin-bech32 v0.8.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling secp256k1 v0.12.2
[INFO] [stderr]     Checking tokio-io v0.1.11
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking crossbeam-channel v0.3.6
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]     Checking serde_json v1.0.37
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]     Checking bitcoin v0.16.0
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking blockchain v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/consensus/node.rs (1 fix)
[INFO] [stderr]        Fixed src/chain/block.rs (1 fix)
[INFO] [stderr]    Migrating src/bin/wallet.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.73s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking blockchain v0.1.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "b3ce6a9d6845bbadc7679f573dd26ebc933ff7f8c2886156158d09ef47c61ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3ce6a9d6845bbadc7679f573dd26ebc933ff7f8c2886156158d09ef47c61ddb", kill_on_drop: false }`
[INFO] [stdout] b3ce6a9d6845bbadc7679f573dd26ebc933ff7f8c2886156158d09ef47c61ddb