[INFO] cloning repository https://github.com/Nazariglez/mini-blockchain-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nazariglez/mini-blockchain-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNazariglez%2Fmini-blockchain-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNazariglez%2Fmini-blockchain-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 926de679a1e3473717aa6e741462894b9eee1de4 [INFO] checking Nazariglez/mini-blockchain-rs against try#d4af306fdd6ab261dfeb0aa57301d08b31b2dd92 for pr-105483 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNazariglez%2Fmini-blockchain-rs" "/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/Nazariglez/mini-blockchain-rs on toolchain d4af306fdd6ab261dfeb0aa57301d08b31b2dd92 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d4af306fdd6ab261dfeb0aa57301d08b31b2dd92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Nazariglez/mini-blockchain-rs [INFO] finished tweaking git repo https://github.com/Nazariglez/mini-blockchain-rs [INFO] tweaked toml for git repo https://github.com/Nazariglez/mini-blockchain-rs written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/Nazariglez/mini-blockchain-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d4af306fdd6ab261dfeb0aa57301d08b31b2dd92" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+d4af306fdd6ab261dfeb0aa57301d08b31b2dd92" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ec1b0167e86e7d767d85acf5ff6380ff1d8ad6f2370cdf238f73f80fd26ee2a4 [INFO] running `Command { std: "docker" "start" "-a" "ec1b0167e86e7d767d85acf5ff6380ff1d8ad6f2370cdf238f73f80fd26ee2a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec1b0167e86e7d767d85acf5ff6380ff1d8ad6f2370cdf238f73f80fd26ee2a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec1b0167e86e7d767d85acf5ff6380ff1d8ad6f2370cdf238f73f80fd26ee2a4", kill_on_drop: false }` [INFO] [stdout] ec1b0167e86e7d767d85acf5ff6380ff1d8ad6f2370cdf238f73f80fd26ee2a4 [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" "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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+d4af306fdd6ab261dfeb0aa57301d08b31b2dd92" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 01e93159d028a017f0ce822f25afeefd49b0713deebd261c6dfc7cd0bf90df70 [INFO] running `Command { std: "docker" "start" "-a" "01e93159d028a017f0ce822f25afeefd49b0713deebd261c6dfc7cd0bf90df70", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling num-bigint v0.2.0 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:1155:5 [INFO] [stdout] | [INFO] [stdout] 1155 | fn decode(d: &mut D) -> Result, D::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds... [INFO] [stdout] | [INFO] [stdout] note: ...that is required by this bound [INFO] [stdout] help: consider adding an explicit lifetime bound... [INFO] [stdout] | [INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T> [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0310`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc-serialize` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "01e93159d028a017f0ce822f25afeefd49b0713deebd261c6dfc7cd0bf90df70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01e93159d028a017f0ce822f25afeefd49b0713deebd261c6dfc7cd0bf90df70", kill_on_drop: false }` [INFO] [stdout] 01e93159d028a017f0ce822f25afeefd49b0713deebd261c6dfc7cd0bf90df70