[INFO] fetching crate prollytree 0.1.0-beta.1...
[INFO] checking prollytree-0.1.0-beta.1 against master#0f6e1ae67854c3c44726e8376144c16b465fe7c6 for pr-129392
[INFO] extracting crate prollytree 0.1.0-beta.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate prollytree 0.1.0-beta.1 on toolchain 0f6e1ae67854c3c44726e8376144c16b465fe7c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prollytree 0.1.0-beta.1
[INFO] finished tweaking crates.io crate prollytree 0.1.0-beta.1
[INFO] tweaked toml for crates.io crate prollytree 0.1.0-beta.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate prollytree 0.1.0-beta.1 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" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 300a1c7776b27f493203fb4431bb5865b6b1dbb6670aa0b810f27feb82c0227d
[INFO] running `Command { std: "docker" "start" "-a" "300a1c7776b27f493203fb4431bb5865b6b1dbb6670aa0b810f27feb82c0227d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "300a1c7776b27f493203fb4431bb5865b6b1dbb6670aa0b810f27feb82c0227d", kill_on_drop: false }`
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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_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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 229bc6a77baac12c6725f22df2a178d0a1e1e305745564862e39b5f1517de283
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[INFO] [stderr]     Checking prollytree v0.1.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `prod-logging`
[INFO] [stdout]   --> src/tracing.rs:25:46
[INFO] [stdout]    |
[INFO] [stdout] 25 |         #[cfg(any(test, feature = "tracing", feature = "prod-logging"))]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |         debug!("This is a debug message in test.");
[INFO] [stdout]    |         ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `digest_base64`, `prolly_balance_max_nodes`, `prolly_balance_rolling_hash`, and `tracing`
[INFO] [stdout]    = help: consider adding `prod-logging` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `prod-logging`
[INFO] [stdout]   --> src/tracing.rs:33:46
[INFO] [stdout]    |
[INFO] [stdout] 33 |         #[cfg(any(test, feature = "tracing", feature = "prod-logging"))]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |         trace!("This is a trace message in test.");
[INFO] [stdout]    |         ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `digest_base64`, `prolly_balance_max_nodes`, `prolly_balance_rolling_hash`, and `tracing`
[INFO] [stdout]    = help: consider adding `prod-logging` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the macro `trace` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.40s
[INFO] running `Command { std: "docker" "inspect" "229bc6a77baac12c6725f22df2a178d0a1e1e305745564862e39b5f1517de283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "229bc6a77baac12c6725f22df2a178d0a1e1e305745564862e39b5f1517de283", kill_on_drop: false }`
[INFO] [stdout] 229bc6a77baac12c6725f22df2a178d0a1e1e305745564862e39b5f1517de283