[INFO] cloning repository https://github.com/tasselcanon/Rust-BlockChain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tasselcanon/Rust-BlockChain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftasselcanon%2FRust-BlockChain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftasselcanon%2FRust-BlockChain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 462079b9e3321c5b1a15e37aba1d9561b9e46502
[INFO] checking tasselcanon/Rust-BlockChain against try#2c4819a380dbddb1f2a0f4405a49fb6ed90983ae for pr-152996
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftasselcanon%2FRust-BlockChain" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tasselcanon/Rust-BlockChain
[INFO] finished tweaking git repo https://github.com/tasselcanon/Rust-BlockChain
[INFO] tweaked toml for git repo https://github.com/tasselcanon/Rust-BlockChain written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tasselcanon/Rust-BlockChain on toolchain 2c4819a380dbddb1f2a0f4405a49fb6ed90983ae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tasselcanon/Rust-BlockChain 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" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking tasselcanon/Rust-BlockChain against try#2c4819a380dbddb1f2a0f4405a49fb6ed90983ae for pr-152996
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftasselcanon%2FRust-BlockChain" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tasselcanon/Rust-BlockChain
[INFO] finished tweaking git repo https://github.com/tasselcanon/Rust-BlockChain
[INFO] tweaked toml for git repo https://github.com/tasselcanon/Rust-BlockChain written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tasselcanon/Rust-BlockChain on toolchain 2c4819a380dbddb1f2a0f4405a49fb6ed90983ae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tasselcanon/Rust-BlockChain 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" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "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 unicode-ident v1.0.19
[INFO] [stderr]   Downloaded windows-interface v0.59.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.104
[INFO] [stderr]   Downloaded serde_core v1.0.227
[INFO] [stderr]   Downloaded windows-result v0.4.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.101
[INFO] [stderr]   Downloaded windows-implement v0.60.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.104
[INFO] [stderr]   Downloaded find-msvc-tools v0.1.2
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.104
[INFO] [stderr]   Downloaded windows-strings v0.5.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.104
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.104
[INFO] [stderr]   Downloaded iana-time-zone v0.1.64
[INFO] [stderr]   Downloaded windows-core v0.62.1
[INFO] [stderr]   Downloaded bincode v2.0.1
[INFO] [stderr]   Downloaded cc v1.2.39
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded js-sys v0.3.81
[INFO] [stderr]   Downloaded log v0.4.28
[INFO] [stderr]   Downloaded rustc-serialize v0.3.25
[INFO] [stderr]   Downloaded serde_derive v1.0.227
[INFO] [stderr]   Downloaded virtue v0.0.18
[INFO] [stderr]   Downloaded serde v1.0.227
[INFO] [stderr]   Downloaded syn v2.0.106
[INFO] [stderr]   Downloaded chrono v0.4.42
[INFO] [stderr]   Downloaded cfg-if v1.0.3
[INFO] [stderr]   Downloaded bincode_derive v2.0.1
[INFO] [stderr]   Downloaded unty v0.0.4
[INFO] [stderr]   Downloaded quote v1.0.40
[INFO] [stderr]   Downloaded windows-link v0.2.0
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded libc v0.2.176
[INFO] [stderr]   Downloaded rust-crypto v0.2.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c14bf063e3166a35d90bba510c17510655b962f340eea3b7faa36d0e28898bc4
[INFO] running `Command { std: "docker" "start" "-a" "c14bf063e3166a35d90bba510c17510655b962f340eea3b7faa36d0e28898bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c14bf063e3166a35d90bba510c17510655b962f340eea3b7faa36d0e28898bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c14bf063e3166a35d90bba510c17510655b962f340eea3b7faa36d0e28898bc4", kill_on_drop: false }`
[INFO] [stdout] c14bf063e3166a35d90bba510c17510655b962f340eea3b7faa36d0e28898bc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 418b696bf7069752e87bed4da3c6682e4b2611199968ff1a60251b97198d707c
[INFO] running `Command { std: "docker" "start" "-a" "418b696bf7069752e87bed4da3c6682e4b2611199968ff1a60251b97198d707c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling serde_core v1.0.227
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling serde v1.0.227
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking unty v0.0.4
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking bincode v2.0.1
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling serde_derive v1.0.227
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]   --> utils/src/coder.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Point {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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` profile [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "418b696bf7069752e87bed4da3c6682e4b2611199968ff1a60251b97198d707c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "418b696bf7069752e87bed4da3c6682e4b2611199968ff1a60251b97198d707c", kill_on_drop: false }`
[INFO] [stdout] 418b696bf7069752e87bed4da3c6682e4b2611199968ff1a60251b97198d707c