[INFO] cloning repository https://github.com/iThinkyouknow/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/iThinkyouknow/rust-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiThinkyouknow%2Frust-blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiThinkyouknow%2Frust-blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32cffac49e3c9465889e3ba7b9aa9a22e657def8
[INFO] checking iThinkyouknow/rust-blockchain against master#2ad4eb207b369017f5140918b5e4b0d3650b46b0 for pr-95611
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiThinkyouknow%2Frust-blockchain" "/workspace/builds/worker-44/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iThinkyouknow/rust-blockchain on toolchain 2ad4eb207b369017f5140918b5e4b0d3650b46b0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iThinkyouknow/rust-blockchain
[INFO] finished tweaking git repo https://github.com/iThinkyouknow/rust-blockchain
[INFO] tweaked toml for git repo https://github.com/iThinkyouknow/rust-blockchain written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate git repo https://github.com/iThinkyouknow/rust-blockchain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "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 winapi v0.3.5
[INFO] [stderr]   Downloaded proc-macro2 v0.4.9
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded sha2 v0.7.1
[INFO] [stderr]   Downloaded block-buffer v0.3.3
[INFO] [stderr]   Downloaded serde_json v1.0.24
[INFO] [stderr]   Downloaded generic-array v0.9.0
[INFO] [stderr]   Downloaded typenum v1.10.0
[INFO] [stderr]   Downloaded quote v0.6.4
[INFO] [stderr]   Downloaded syn v0.14.5
[INFO] [stderr]   Downloaded serde_derive v1.0.70
[INFO] [stderr]   Downloaded serde v1.0.70
[INFO] [stderr]   Downloaded libc v0.2.42
[INFO] [stderr]   Downloaded dtoa v0.4.3
[INFO] [stderr]   Downloaded digest v0.7.5
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded arrayref v0.3.4
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded byte-tools v0.2.0
[INFO] [stderr]   Downloaded itoa v0.4.2
[INFO] [stderr]   Downloaded fake-simd v0.1.2
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a932077ff7b62bf5251fdf51c64392dfc19faaf9b0895eb9fdde300185fe123
[INFO] running `Command { std: "docker" "start" "-a" "0a932077ff7b62bf5251fdf51c64392dfc19faaf9b0895eb9fdde300185fe123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a932077ff7b62bf5251fdf51c64392dfc19faaf9b0895eb9fdde300185fe123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a932077ff7b62bf5251fdf51c64392dfc19faaf9b0895eb9fdde300185fe123", kill_on_drop: false }`
[INFO] [stdout] 0a932077ff7b62bf5251fdf51c64392dfc19faaf9b0895eb9fdde300185fe123
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 943054dd8c67bccba9eca4b8d003014348f5dd7a94ee77b7d8a7b8ea201115aa
[INFO] running `Command { std: "docker" "start" "-a" "943054dd8c67bccba9eca4b8d003014348f5dd7a94ee77b7d8a7b8ea201115aa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "943054dd8c67bccba9eca4b8d003014348f5dd7a94ee77b7d8a7b8ea201115aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943054dd8c67bccba9eca4b8d003014348f5dd7a94ee77b7d8a7b8ea201115aa", kill_on_drop: false }`
[INFO] [stdout] 943054dd8c67bccba9eca4b8d003014348f5dd7a94ee77b7d8a7b8ea201115aa