[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 try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJNhua%2Fblockchain_Rust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JNhua/blockchain_Rust on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-10/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded db-key v0.0.5
[INFO] [stderr]   Downloaded bigint v4.4.3
[INFO] [stderr]   Downloaded leveldb v0.8.5
[INFO] [stderr]   Downloaded leveldb-sys v2.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d5a5ada09896ec0df95cfebb74cc44976ce7347a796f1cd87c358eb3507c232
[INFO] running `Command { std: "docker" "start" "-a" "6d5a5ada09896ec0df95cfebb74cc44976ce7347a796f1cd87c358eb3507c232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d5a5ada09896ec0df95cfebb74cc44976ce7347a796f1cd87c358eb3507c232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d5a5ada09896ec0df95cfebb74cc44976ce7347a796f1cd87c358eb3507c232", kill_on_drop: false }`
[INFO] [stdout] 6d5a5ada09896ec0df95cfebb74cc44976ce7347a796f1cd87c358eb3507c232
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82d4e7bfe5ca58803bec68f80755ba53e59ca416b19f01dd37eef31ff624e12b
[INFO] running `Command { std: "docker" "start" "-a" "82d4e7bfe5ca58803bec68f80755ba53e59ca416b19f01dd37eef31ff624e12b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking db-key v0.0.5
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[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 bigint v4.4.3
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[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]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling leveldb-sys v2.0.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking rustyline v6.2.0
[INFO] [stderr]     Checking cli v0.1.0 (/opt/rustwide/workdir/cli)
[INFO] [stderr]     Checking leveldb v0.8.5
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/utils)
[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 44.58s
[INFO] running `Command { std: "docker" "inspect" "82d4e7bfe5ca58803bec68f80755ba53e59ca416b19f01dd37eef31ff624e12b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82d4e7bfe5ca58803bec68f80755ba53e59ca416b19f01dd37eef31ff624e12b", kill_on_drop: false }`
[INFO] [stdout] 82d4e7bfe5ca58803bec68f80755ba53e59ca416b19f01dd37eef31ff624e12b