[INFO] cloning repository https://github.com/wurstmineberg/abr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wurstmineberg/abr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwurstmineberg%2Fabr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwurstmineberg%2Fabr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cbbdb95cf439d14b49e364caeac825f383b1447c
[INFO] checking wurstmineberg/abr against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwurstmineberg%2Fabr" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wurstmineberg/abr on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wurstmineberg/abr
[INFO] finished tweaking git repo https://github.com/wurstmineberg/abr
[INFO] tweaked toml for git repo https://github.com/wurstmineberg/abr written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wurstmineberg/abr 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/wurstmineberg/rust-anvil`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hematite-nbt v0.4.1
[INFO] [stderr]   Downloaded java-locator v0.1.2
[INFO] [stderr]   Downloaded lock_api v0.4.0
[INFO] [stderr]   Downloaded j4rs v0.11.2
[INFO] [stderr]   Downloaded instant v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 246030f0e6308a2d9dff131f3c7ba4de19a46f5700a324a112a95f9d993e9bc6
[INFO] running `Command { std: "docker" "start" "-a" "246030f0e6308a2d9dff131f3c7ba4de19a46f5700a324a112a95f9d993e9bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "246030f0e6308a2d9dff131f3c7ba4de19a46f5700a324a112a95f9d993e9bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246030f0e6308a2d9dff131f3c7ba4de19a46f5700a324a112a95f9d993e9bc6", kill_on_drop: false }`
[INFO] [stdout] 246030f0e6308a2d9dff131f3c7ba4de19a46f5700a324a112a95f9d993e9bc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13ae68db2449f8553b3d3e88581aaed2f4627718419620a348338eb51b760d88
[INFO] running `Command { std: "docker" "start" "-a" "13ae68db2449f8553b3d3e88581aaed2f4627718419620a348338eb51b760d88", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling cc v1.0.57
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling java-locator v0.1.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling j4rs v0.11.2
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking instant v0.1.5
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking lock_api v0.4.0
[INFO] [stderr]     Checking jni-sys v0.3.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking hematite-nbt v0.4.1
[INFO] [stderr]     Checking mcanvil v0.1.0 (https://github.com/wurstmineberg/rust-anvil#f13b573d)
[INFO] [stderr]     Checking abr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.78s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.1.0
[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" "13ae68db2449f8553b3d3e88581aaed2f4627718419620a348338eb51b760d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13ae68db2449f8553b3d3e88581aaed2f4627718419620a348338eb51b760d88", kill_on_drop: false }`
[INFO] [stdout] 13ae68db2449f8553b3d3e88581aaed2f4627718419620a348338eb51b760d88