[INFO] fetching crate luacells 0.1.4...
[INFO] checking luacells-0.1.4 against master#49b6ac01d6f4c3da812039ae846407a20961aa4c for pr-154887
[INFO] extracting crate luacells 0.1.4 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate luacells 0.1.4
[INFO] finished tweaking crates.io crate luacells 0.1.4
[INFO] tweaked toml for crates.io crate luacells 0.1.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate luacells 0.1.4 on toolchain 49b6ac01d6f4c3da812039ae846407a20961aa4c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate luacells 0.1.4 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" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded grid-area v1.0.1
[INFO] [stderr]   Downloaded ctrlc v3.2.3
[INFO] [stderr]   Downloaded signal-hook v0.3.14
[INFO] [stderr]   Downloaded mlua v0.8.3
[INFO] [stderr]   Downloaded nix v0.25.0
[INFO] [stderr]   Downloaded libc v0.2.134
[INFO] [stderr]   Downloaded lua-src v544.0.1
[INFO] [stderr]   Downloaded luajit-src v210.4.3+resty8384278
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94b04c9c73a1e8d31f0db189eabea331d7c8a243d470e0c75505b27d08fabf5d
[INFO] running `Command { std: "docker" "start" "-a" "94b04c9c73a1e8d31f0db189eabea331d7c8a243d470e0c75505b27d08fabf5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94b04c9c73a1e8d31f0db189eabea331d7c8a243d470e0c75505b27d08fabf5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94b04c9c73a1e8d31f0db189eabea331d7c8a243d470e0c75505b27d08fabf5d", kill_on_drop: false }`
[INFO] [stdout] 94b04c9c73a1e8d31f0db189eabea331d7c8a243d470e0c75505b27d08fabf5d
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccd3ed4094bcbad588c0bc309c1b1b6f93bc270f2e76cbf66d48a8dc09eae1a4
[INFO] running `Command { std: "docker" "start" "-a" "ccd3ed4094bcbad588c0bc309c1b1b6f93bc270f2e76cbf66d48a8dc09eae1a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking grid-area v1.0.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling lua-src v544.0.1
[INFO] [stderr]    Compiling luajit-src v210.4.3+resty8384278
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling mlua v0.8.3
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking nix v0.25.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking ctrlc v3.2.3
[INFO] [stderr]     Checking luacells v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.82s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: mlua v0.8.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "ccd3ed4094bcbad588c0bc309c1b1b6f93bc270f2e76cbf66d48a8dc09eae1a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd3ed4094bcbad588c0bc309c1b1b6f93bc270f2e76cbf66d48a8dc09eae1a4", kill_on_drop: false }`
[INFO] [stdout] ccd3ed4094bcbad588c0bc309c1b1b6f93bc270f2e76cbf66d48a8dc09eae1a4