[INFO] fetching crate peekable_next 0.2.0...
[INFO] checking peekable_next-0.2.0 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate peekable_next 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate peekable_next 0.2.0 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peekable_next 0.2.0
[INFO] finished tweaking crates.io crate peekable_next 0.2.0
[INFO] tweaked toml for crates.io crate peekable_next 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d721968dfa1d3a80ffbf0910db727ba329da20d6ca40144891ac5dbe0a78b7a
[INFO] running `Command { std: "docker" "start" "-a" "6d721968dfa1d3a80ffbf0910db727ba329da20d6ca40144891ac5dbe0a78b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d721968dfa1d3a80ffbf0910db727ba329da20d6ca40144891ac5dbe0a78b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d721968dfa1d3a80ffbf0910db727ba329da20d6ca40144891ac5dbe0a78b7a", kill_on_drop: false }`
[INFO] [stdout] 6d721968dfa1d3a80ffbf0910db727ba329da20d6ca40144891ac5dbe0a78b7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b12693a68043404e84b04c609ca8b1efd94fb87f10550bc26906c43b7a83354
[INFO] running `Command { std: "docker" "start" "-a" "6b12693a68043404e84b04c609ca8b1efd94fb87f10550bc26906c43b7a83354", kill_on_drop: false }`
[INFO] [stderr]     Checking peekable_next v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "6b12693a68043404e84b04c609ca8b1efd94fb87f10550bc26906c43b7a83354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b12693a68043404e84b04c609ca8b1efd94fb87f10550bc26906c43b7a83354", kill_on_drop: false }`
[INFO] [stdout] 6b12693a68043404e84b04c609ca8b1efd94fb87f10550bc26906c43b7a83354