[INFO] fetching crate seed_style_preview 0.1.8...
[INFO] checking seed_style_preview-0.1.8 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate seed_style_preview 0.1.8 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate seed_style_preview 0.1.8 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seed_style_preview 0.1.8
[INFO] finished tweaking crates.io crate seed_style_preview 0.1.8
[INFO] tweaked toml for crates.io crate seed_style_preview 0.1.8 written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab21a3ee2d08d6e909137f26bce2dc8b057c28d979d63495b5e3c45a60a64ef9
[INFO] running `Command { std: "docker" "start" "-a" "ab21a3ee2d08d6e909137f26bce2dc8b057c28d979d63495b5e3c45a60a64ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab21a3ee2d08d6e909137f26bce2dc8b057c28d979d63495b5e3c45a60a64ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab21a3ee2d08d6e909137f26bce2dc8b057c28d979d63495b5e3c45a60a64ef9", kill_on_drop: false }`
[INFO] [stdout] ab21a3ee2d08d6e909137f26bce2dc8b057c28d979d63495b5e3c45a60a64ef9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fe7bb5e541942c212492cf5e8ef9dd109fb7add4d94db8e640f84fe5a16cb91
[INFO] running `Command { std: "docker" "start" "-a" "5fe7bb5e541942c212492cf5e8ef9dd109fb7add4d94db8e640f84fe5a16cb91", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.130
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[INFO] [stderr]     Checking seed_hooks v0.1.4
[INFO] [stderr]    Compiling seed_style_macros v0.1.4
[INFO] [stderr]     Checking seed_style_preview v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `track_caller` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(track_caller)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `track_caller` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(track_caller)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.51s
[INFO] running `Command { std: "docker" "inspect" "5fe7bb5e541942c212492cf5e8ef9dd109fb7add4d94db8e640f84fe5a16cb91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fe7bb5e541942c212492cf5e8ef9dd109fb7add4d94db8e640f84fe5a16cb91", kill_on_drop: false }`
[INFO] [stdout] 5fe7bb5e541942c212492cf5e8ef9dd109fb7add4d94db8e640f84fe5a16cb91