[INFO] cloning repository https://github.com/ximon18/donkey-mule-horse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ximon18/donkey-mule-horse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fximon18%2Fdonkey-mule-horse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fximon18%2Fdonkey-mule-horse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9dd8ff5d8f438b03559ee90306bb7eae2e649134
[INFO] checking ximon18/donkey-mule-horse against master#42b384ec0dfcd528d99a4db0a337d9188a9eecaa for pr-133502-16
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fximon18%2Fdonkey-mule-horse" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ximon18/donkey-mule-horse
[INFO] finished tweaking git repo https://github.com/ximon18/donkey-mule-horse
[INFO] tweaked toml for git repo https://github.com/ximon18/donkey-mule-horse written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ximon18/donkey-mule-horse on toolchain 42b384ec0dfcd528d99a4db0a337d9188a9eecaa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42b384ec0dfcd528d99a4db0a337d9188a9eecaa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ximon18/donkey-mule-horse 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" "+42b384ec0dfcd528d99a4db0a337d9188a9eecaa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/NLnetLabs/rotonda-store.git`
[INFO] [stderr]     Updating git repository `https://github.com/NLnetLabs/try-tries-and-trees`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+42b384ec0dfcd528d99a4db0a337d9188a9eecaa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f347bdcb8cc6f91bdd6b4319dfb7e572dcaae5af1e0f059044b3060e9e7e1bf8
[INFO] running `Command { std: "docker" "start" "-a" "f347bdcb8cc6f91bdd6b4319dfb7e572dcaae5af1e0f059044b3060e9e7e1bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f347bdcb8cc6f91bdd6b4319dfb7e572dcaae5af1e0f059044b3060e9e7e1bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f347bdcb8cc6f91bdd6b4319dfb7e572dcaae5af1e0f059044b3060e9e7e1bf8", kill_on_drop: false }`
[INFO] [stdout] f347bdcb8cc6f91bdd6b4319dfb7e572dcaae5af1e0f059044b3060e9e7e1bf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+42b384ec0dfcd528d99a4db0a337d9188a9eecaa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02707d17a67bddd2b8eedb479d15c490e651924e1f7bf5cea1ae545a9020bb5a
[INFO] running `Command { std: "docker" "start" "-a" "02707d17a67bddd2b8eedb479d15c490e651924e1f7bf5cea1ae545a9020bb5a", kill_on_drop: false }`
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[INFO] [stderr]     Checking trie v0.1.0 (https://github.com/NLnetLabs/try-tries-and-trees#3b993a2a)
[INFO] [stderr]     Checking ptree v0.4.0
[INFO] [stderr]     Checking donkey-mule-horse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/trie.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn children(&self) -> std::borrow::Cow<[Self::Child]> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn children(&self) -> std::borrow::Cow<'_, [Self::Child]> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/trie.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn children(&self) -> std::borrow::Cow<[Self::Child]> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn children(&self) -> std::borrow::Cow<'_, [Self::Child]> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.14s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "02707d17a67bddd2b8eedb479d15c490e651924e1f7bf5cea1ae545a9020bb5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02707d17a67bddd2b8eedb479d15c490e651924e1f7bf5cea1ae545a9020bb5a", kill_on_drop: false }`
[INFO] [stdout] 02707d17a67bddd2b8eedb479d15c490e651924e1f7bf5cea1ae545a9020bb5a