[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#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJNhua%2Fblockchain_Rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JNhua/blockchain_Rust on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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-4/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 664441e115939b0866ea79b8a93a622702ea86ff1ec34276b0c30eca59d5b3ea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "664441e115939b0866ea79b8a93a622702ea86ff1ec34276b0c30eca59d5b3ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "664441e115939b0866ea79b8a93a622702ea86ff1ec34276b0c30eca59d5b3ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "664441e115939b0866ea79b8a93a622702ea86ff1ec34276b0c30eca59d5b3ea", kill_on_drop: false }`
[INFO] [stdout] 664441e115939b0866ea79b8a93a622702ea86ff1ec34276b0c30eca59d5b3ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a95c444faaf415d44ab45e4a108ff5a7c763239d4a4337a1a36e044973a3c1e9
[INFO] running `Command { std: "docker" "start" "-a" "a95c444faaf415d44ab45e4a108ff5a7c763239d4a4337a1a36e044973a3c1e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking db-key v0.0.5
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking bigint v4.4.3
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling leveldb-sys v2.0.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/utils)
[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 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 32.47s
[INFO] running `Command { std: "docker" "inspect" "a95c444faaf415d44ab45e4a108ff5a7c763239d4a4337a1a36e044973a3c1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a95c444faaf415d44ab45e4a108ff5a7c763239d4a4337a1a36e044973a3c1e9", kill_on_drop: false }`
[INFO] [stdout] a95c444faaf415d44ab45e4a108ff5a7c763239d4a4337a1a36e044973a3c1e9