[INFO] cloning repository https://github.com/JNhua/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/JNhua/blockchain_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJNhua%2Fblockchain_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJNhua%2Fblockchain_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b96906a0b070a10629b3b4bcda7bf17706f80c9a
[INFO] checking JNhua/blockchain_Rust against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJNhua%2Fblockchain_Rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JNhua/blockchain_Rust on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JNhua/blockchain_Rust
[INFO] finished tweaking git repo https://github.com/JNhua/blockchain_Rust
[INFO] tweaked toml for git repo https://github.com/JNhua/blockchain_Rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/JNhua/blockchain_Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c63a5c6cdc6db72180cdfa44edca30c78114e78a6dc138b3e797ab2410d7be11
[INFO] running `Command { std: "docker" "start" "-a" "c63a5c6cdc6db72180cdfa44edca30c78114e78a6dc138b3e797ab2410d7be11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c63a5c6cdc6db72180cdfa44edca30c78114e78a6dc138b3e797ab2410d7be11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63a5c6cdc6db72180cdfa44edca30c78114e78a6dc138b3e797ab2410d7be11", kill_on_drop: false }`
[INFO] [stdout] c63a5c6cdc6db72180cdfa44edca30c78114e78a6dc138b3e797ab2410d7be11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e55ac6dc4c4c97aa542501a8c82e74dbfbdb018aec5feb9b0b49117ef42147c
[INFO] running `Command { std: "docker" "start" "-a" "1e55ac6dc4c4c97aa542501a8c82e74dbfbdb018aec5feb9b0b49117ef42147c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking db-key v0.0.5
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking bigint v4.4.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling leveldb-sys v2.0.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rustyline v6.2.0
[INFO] [stderr]     Checking cli v0.1.0 (/opt/rustwide/workdir/cli)
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]     Checking leveldb v0.8.5
[INFO] [stderr]     Checking core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Checking main v0.1.0 (/opt/rustwide/workdir/main)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.14s
[INFO] running `Command { std: "docker" "inspect" "1e55ac6dc4c4c97aa542501a8c82e74dbfbdb018aec5feb9b0b49117ef42147c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e55ac6dc4c4c97aa542501a8c82e74dbfbdb018aec5feb9b0b49117ef42147c", kill_on_drop: false }`
[INFO] [stdout] 1e55ac6dc4c4c97aa542501a8c82e74dbfbdb018aec5feb9b0b49117ef42147c