[INFO] fetching crate rabbithole 0.3.1...
[INFO] checking rabbithole-0.3.1 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2
[INFO] extracting crate rabbithole 0.3.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate rabbithole 0.3.1 on toolchain ccf408f4326a858c00dd845a64a86b16f360a801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rabbithole 0.3.1
[INFO] finished tweaking crates.io crate rabbithole 0.3.1
[INFO] tweaked toml for crates.io crate rabbithole 0.3.1 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" "+ccf408f4326a858c00dd845a64a86b16f360a801" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 95 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v0.7.20 (available: v1.1.3)
[INFO] [stderr]       Adding base64 v0.11.0 (available: v0.22.1)
[INFO] [stderr]       Adding block-buffer v0.3.3 (available: v0.10.4)
[INFO] [stderr]       Adding byte-tools v0.2.0 (available: v0.3.1)
[INFO] [stderr]       Adding bytes v0.4.12 (available: v1.7.2)
[INFO] [stderr]       Adding digest v0.7.6 (available: v0.10.7)
[INFO] [stderr]       Adding env_logger v0.6.2 (available: v0.11.5)
[INFO] [stderr]       Adding env_logger v0.7.1 (available: v0.11.5)
[INFO] [stderr]       Adding frunk v0.3.2 (available: v0.4.3)
[INFO] [stderr]       Adding frunk_core v0.3.2 (available: v0.4.3)
[INFO] [stderr]       Adding frunk_derives v0.3.2 (available: v0.4.3)
[INFO] [stderr]       Adding frunk_proc_macro_helpers v0.0.5 (available: v0.1.3)
[INFO] [stderr]       Adding frunk_proc_macros v0.0.5 (available: v0.1.3)
[INFO] [stderr]       Adding frunk_proc_macros_impl v0.0.5 (available: v0.1.1)
[INFO] [stderr]       Adding generic-array v0.9.1 (available: v1.1.0)
[INFO] [stderr]       Adding heck v0.3.3 (available: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[INFO] [stderr]       Adding http v0.1.21 (available: v1.1.0)
[INFO] [stderr]       Adding humantime v1.3.0 (available: v2.1.0)
[INFO] [stderr]       Adding idna v0.2.3 (available: v1.0.2)
[INFO] [stderr]       Adding itoa v0.4.8 (available: v1.0.11)
[INFO] [stderr]       Adding lazy_static v1.4.0 (available: v1.5.0)
[INFO] [stderr]       Adding percent-encoding v2.1.0 (available: v2.3.1)
[INFO] [stderr]       Adding pest v2.0.2 (available: v2.7.13)
[INFO] [stderr]       Adding pest_derive v2.0.1 (available: v2.7.13)
[INFO] [stderr]       Adding pest_generator v2.0.0 (available: v2.7.13)
[INFO] [stderr]       Adding pest_meta v2.0.3 (available: v2.7.13)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.86)
[INFO] [stderr]       Adding quick-error v1.2.3 (available: v2.0.1)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.37)
[INFO] [stderr]       Adding regex v1.3.9 (available: v1.10.6)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (available: v0.8.4)
[INFO] [stderr]       Adding sha-1 v0.7.0 (available: v0.10.1)
[INFO] [stderr]       Adding strum v0.16.0 (available: v0.26.3)
[INFO] [stderr]       Adding strum_macros v0.16.0 (available: v0.26.4)
[INFO] [stderr]       Adding syn v0.14.9 (available: v2.0.77)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.77)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (available: v0.2.6)
[INFO] [stderr]       Adding url v2.1.1 (available: v2.5.2)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.10.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5de24eb3b8318b6e1371cc84015241be2370fe86d1b3f2d7602123068b0f36d
[INFO] running `Command { std: "docker" "start" "-a" "b5de24eb3b8318b6e1371cc84015241be2370fe86d1b3f2d7602123068b0f36d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5de24eb3b8318b6e1371cc84015241be2370fe86d1b3f2d7602123068b0f36d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5de24eb3b8318b6e1371cc84015241be2370fe86d1b3f2d7602123068b0f36d", kill_on_drop: false }`
[INFO] [stdout] b5de24eb3b8318b6e1371cc84015241be2370fe86d1b3f2d7602123068b0f36d
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b80f004fd48fb22374abdc3ac2dd8910af0bf7e7fb6e94c43de970c10b4d2e1
[INFO] running `Command { std: "docker" "start" "-a" "1b80f004fd48fb22374abdc3ac2dd8910af0bf7e7fb6e94c43de970c10b4d2e1", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "1b80f004fd48fb22374abdc3ac2dd8910af0bf7e7fb6e94c43de970c10b4d2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b80f004fd48fb22374abdc3ac2dd8910af0bf7e7fb6e94c43de970c10b4d2e1", kill_on_drop: false }`
[INFO] [stdout] 1b80f004fd48fb22374abdc3ac2dd8910af0bf7e7fb6e94c43de970c10b4d2e1