[INFO] fetching crate generic_singleton 0.5.0...
[INFO] checking generic_singleton-0.5.0 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate generic_singleton 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate generic_singleton 0.5.0 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate generic_singleton 0.5.0
[INFO] finished tweaking crates.io crate generic_singleton 0.5.0
[INFO] tweaked toml for crates.io crate generic_singleton 0.5.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anymap v1.0.0-beta.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19d7bc21144e3a9d059f99703b58f2632e071a4d5a1e0661a2019f11af1a85f9
[INFO] running `Command { std: "docker" "start" "-a" "19d7bc21144e3a9d059f99703b58f2632e071a4d5a1e0661a2019f11af1a85f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19d7bc21144e3a9d059f99703b58f2632e071a4d5a1e0661a2019f11af1a85f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d7bc21144e3a9d059f99703b58f2632e071a4d5a1e0661a2019f11af1a85f9", kill_on_drop: false }`
[INFO] [stdout] 19d7bc21144e3a9d059f99703b58f2632e071a4d5a1e0661a2019f11af1a85f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93e95df73865bddcd36c6c9642612cdfccad03095611ed1d18b923f5d830aea9
[INFO] running `Command { std: "docker" "start" "-a" "93e95df73865bddcd36c6c9642612cdfccad03095611ed1d18b923f5d830aea9", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking anymap v1.0.0-beta.2
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking generic_singleton v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: anymap v1.0.0-beta.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "93e95df73865bddcd36c6c9642612cdfccad03095611ed1d18b923f5d830aea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93e95df73865bddcd36c6c9642612cdfccad03095611ed1d18b923f5d830aea9", kill_on_drop: false }`
[INFO] [stdout] 93e95df73865bddcd36c6c9642612cdfccad03095611ed1d18b923f5d830aea9