[INFO] cloning repository https://github.com/datsfilipe/basic-blockchain-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/datsfilipe/basic-blockchain-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdatsfilipe%2Fbasic-blockchain-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdatsfilipe%2Fbasic-blockchain-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e997ce070bf0a163e0f8ec44153dad2596aae109
[INFO] checking datsfilipe/basic-blockchain-in-rust against try#7d2afcda7a9c043d5175cbca3ab08f0acf02b13a for pr-140824
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdatsfilipe%2Fbasic-blockchain-in-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/datsfilipe/basic-blockchain-in-rust on toolchain 7d2afcda7a9c043d5175cbca3ab08f0acf02b13a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/datsfilipe/basic-blockchain-in-rust
[INFO] finished tweaking git repo https://github.com/datsfilipe/basic-blockchain-in-rust
[INFO] tweaked toml for git repo https://github.com/datsfilipe/basic-blockchain-in-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/datsfilipe/basic-blockchain-in-rust 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" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking datsfilipe/basic-blockchain-in-rust against try#7d2afcda7a9c043d5175cbca3ab08f0acf02b13a for pr-140824
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdatsfilipe%2Fbasic-blockchain-in-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/datsfilipe/basic-blockchain-in-rust on toolchain 7d2afcda7a9c043d5175cbca3ab08f0acf02b13a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/datsfilipe/basic-blockchain-in-rust
[INFO] finished tweaking git repo https://github.com/datsfilipe/basic-blockchain-in-rust
[INFO] tweaked toml for git repo https://github.com/datsfilipe/basic-blockchain-in-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/datsfilipe/basic-blockchain-in-rust 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" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "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] 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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f712b35b41fb8ec813a54515bc10985d29b5398e1172bd7b95d8e2a84420b2e1
[INFO] running `Command { std: "docker" "start" "-a" "f712b35b41fb8ec813a54515bc10985d29b5398e1172bd7b95d8e2a84420b2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f712b35b41fb8ec813a54515bc10985d29b5398e1172bd7b95d8e2a84420b2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f712b35b41fb8ec813a54515bc10985d29b5398e1172bd7b95d8e2a84420b2e1", kill_on_drop: false }`
[INFO] [stdout] f712b35b41fb8ec813a54515bc10985d29b5398e1172bd7b95d8e2a84420b2e1
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36578120fe4eb2b72cbf55b805bc2f5c1840b88bed2550000a54f3b409f4e9fc
[INFO] running `Command { std: "docker" "start" "-a" "36578120fe4eb2b72cbf55b805bc2f5c1840b88bed2550000a54f3b409f4e9fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking ct-codecs v1.1.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ed25519-compact v2.1.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking basic-blockchain-in-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.74s
[INFO] running `Command { std: "docker" "inspect" "36578120fe4eb2b72cbf55b805bc2f5c1840b88bed2550000a54f3b409f4e9fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36578120fe4eb2b72cbf55b805bc2f5c1840b88bed2550000a54f3b409f4e9fc", kill_on_drop: false }`
[INFO] [stdout] 36578120fe4eb2b72cbf55b805bc2f5c1840b88bed2550000a54f3b409f4e9fc