[INFO] cloning repository https://github.com/frankudoags/basic-blockchain-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frankudoags/basic-blockchain-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrankudoags%2Fbasic-blockchain-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrankudoags%2Fbasic-blockchain-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eadc43de9c191cdb5a80f273ac7874a1c5829069
[INFO] checking frankudoags/basic-blockchain-rust against try#e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrankudoags%2Fbasic-blockchain-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/frankudoags/basic-blockchain-rust
[INFO] finished tweaking git repo https://github.com/frankudoags/basic-blockchain-rust
[INFO] tweaked toml for git repo https://github.com/frankudoags/basic-blockchain-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/frankudoags/basic-blockchain-rust on toolchain e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/frankudoags/basic-blockchain-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da43917deac37712b45a187d73a375c117e5d42d539a108252715e30cbba5243
[INFO] running `Command { std: "docker" "start" "-a" "da43917deac37712b45a187d73a375c117e5d42d539a108252715e30cbba5243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da43917deac37712b45a187d73a375c117e5d42d539a108252715e30cbba5243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da43917deac37712b45a187d73a375c117e5d42d539a108252715e30cbba5243", kill_on_drop: false }`
[INFO] [stdout] da43917deac37712b45a187d73a375c117e5d42d539a108252715e30cbba5243
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 644b893c62249383a35fc1bf90518684f6f0473c00d149422ed33c7bc49fb95d
[INFO] running `Command { std: "docker" "start" "-a" "644b893c62249383a35fc1bf90518684f6f0473c00d149422ed33c7bc49fb95d", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]     Checking iana-time-zone v0.1.54
[INFO] [stderr]     Checking cpufeatures v0.2.6
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking chrono v0.4.24
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking basic-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `Command { std: "docker" "inspect" "644b893c62249383a35fc1bf90518684f6f0473c00d149422ed33c7bc49fb95d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "644b893c62249383a35fc1bf90518684f6f0473c00d149422ed33c7bc49fb95d", kill_on_drop: false }`
[INFO] [stdout] 644b893c62249383a35fc1bf90518684f6f0473c00d149422ed33c7bc49fb95d