[INFO] fetching crate melprot 0.13.4...
[INFO] testing melprot-0.13.4 against 1.69.0 for beta-1.70-1
[INFO] extracting crate melprot 0.13.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate melprot 0.13.4 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate melprot 0.13.4
[INFO] finished tweaking crates.io crate melprot 0.13.4
[INFO] tweaked toml for crates.io crate melprot 0.13.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate melprot 0.13.4 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-macro v0.3.26
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[INFO] [stderr]   Downloaded melstructs v0.3.0
[INFO] [stderr]   Downloaded melnet2 v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] caa21c13b6ebdeee7e547ec9649586264f2af89c4dc0343a26058e66c544e644
[INFO] running `Command { std: "docker" "start" "-a" "caa21c13b6ebdeee7e547ec9649586264f2af89c4dc0343a26058e66c544e644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caa21c13b6ebdeee7e547ec9649586264f2af89c4dc0343a26058e66c544e644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caa21c13b6ebdeee7e547ec9649586264f2af89c4dc0343a26058e66c544e644", kill_on_drop: false }`
[INFO] [stdout] caa21c13b6ebdeee7e547ec9649586264f2af89c4dc0343a26058e66c544e644
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c06793a7c556051f732ca38a673a234b4d4f4c8e624ffd68ed910d851a7586a2
[INFO] running `Command { std: "docker" "start" "-a" "c06793a7c556051f732ca38a673a234b4d4f4c8e624ffd68ed910d851a7586a2", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.51
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[INFO] [stderr]    Compiling http-body v1.0.0-rc.2
[INFO] [stderr]    Compiling http-body-util v0.1.0-rc.2
[INFO] [stderr]    Compiling hyper v1.0.0-rc.2
[INFO] [stderr]    Compiling stdcode v0.1.14
[INFO] [stderr]    Compiling tmelcrypt v0.2.6
[INFO] [stderr]    Compiling melstructs v0.3.0
[INFO] [stderr]    Compiling nanorpc-http v0.1.1
[INFO] [stderr]    Compiling melbootstrap v0.8.3
[INFO] [stderr]    Compiling melnet2 v0.3.0
[INFO] [stderr]    Compiling melprot v0.13.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.97s
[INFO] running `Command { std: "docker" "inspect" "c06793a7c556051f732ca38a673a234b4d4f4c8e624ffd68ed910d851a7586a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c06793a7c556051f732ca38a673a234b4d4f4c8e624ffd68ed910d851a7586a2", kill_on_drop: false }`
[INFO] [stdout] c06793a7c556051f732ca38a673a234b4d4f4c8e624ffd68ed910d851a7586a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b25b648e715579bc71207718be67c4322d0a6f02f5454d1ebdf4b82eece2c89
[INFO] running `Command { std: "docker" "start" "-a" "2b25b648e715579bc71207718be67c4322d0a6f02f5454d1ebdf4b82eece2c89", kill_on_drop: false }`
[INFO] [stderr]    Compiling argh_shared v0.1.10
[INFO] [stderr]    Compiling argh_derive v0.1.10
[INFO] [stderr]    Compiling argh v0.1.10
[INFO] [stderr]    Compiling melprot v0.13.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.25s
[INFO] running `Command { std: "docker" "inspect" "2b25b648e715579bc71207718be67c4322d0a6f02f5454d1ebdf4b82eece2c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b25b648e715579bc71207718be67c4322d0a6f02f5454d1ebdf4b82eece2c89", kill_on_drop: false }`
[INFO] [stdout] 2b25b648e715579bc71207718be67c4322d0a6f02f5454d1ebdf4b82eece2c89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] abd8545782c047fc4a10416031406c3aca7dcfe333996465ea91c59dd954b3ca
[INFO] running `Command { std: "docker" "start" "-a" "abd8545782c047fc4a10416031406c3aca7dcfe333996465ea91c59dd954b3ca", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/melprot-c0c6baaeedffe826)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests melprot
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/client.rs - client::Client::traverse_back (line 315) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/client.rs - client::Client::traverse_back (line 315) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `client` in this scope
[INFO] [stdout]  --> src/client.rs:316:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | let traversal = client.traverse_back(
[INFO] [stdout]   |                 ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `BlockHeight` in this scope
[INFO] [stdout]  --> src/client.rs:317:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     BlockHeight(100000),
[INFO] [stdout]   |     ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this tuple struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use melstructs::BlockHeight;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/client.rs:324:40
[INFO] [stdout]    |
[INFO] [stdout] 2  | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_client_rs_315_0() {
[INFO] [stdout]    |                                         --------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 11 | while let Some(next) = traversal.next().await? {
[INFO] [stdout]    |                                        ^^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/client.rs:324:46
[INFO] [stdout]    |
[INFO] [stdout] 2  | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_client_rs_315_0() {
[INFO] [stdout]    |                                      -------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 11 | while let Some(next) = traversal.next().await? {
[INFO] [stdout]    |                                              ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromResidual<_>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/client.rs - client::Client::traverse_back (line 315)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "abd8545782c047fc4a10416031406c3aca7dcfe333996465ea91c59dd954b3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abd8545782c047fc4a10416031406c3aca7dcfe333996465ea91c59dd954b3ca", kill_on_drop: false }`
[INFO] [stdout] abd8545782c047fc4a10416031406c3aca7dcfe333996465ea91c59dd954b3ca
