[INFO] fetching crate mlua_derive 0.6.0...
[INFO] testing mlua_derive-0.6.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate mlua_derive 0.6.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate mlua_derive 0.6.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mlua_derive 0.6.0
[INFO] finished tweaking crates.io crate mlua_derive 0.6.0
[INFO] tweaked toml for crates.io crate mlua_derive 0.6.0 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d8cac0afaeb80675aead2f3080adc731415894cdbdcbd4f2cb1398d9a2e8271
[INFO] running `Command { std: "docker" "start" "-a" "2d8cac0afaeb80675aead2f3080adc731415894cdbdcbd4f2cb1398d9a2e8271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d8cac0afaeb80675aead2f3080adc731415894cdbdcbd4f2cb1398d9a2e8271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d8cac0afaeb80675aead2f3080adc731415894cdbdcbd4f2cb1398d9a2e8271", kill_on_drop: false }`
[INFO] [stdout] 2d8cac0afaeb80675aead2f3080adc731415894cdbdcbd4f2cb1398d9a2e8271
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93c8f33ec08b3a665a174252312f8ee6c8c36a78fe5bab9e3b5cfe81fa58a7bc
[INFO] running `Command { std: "docker" "start" "-a" "93c8f33ec08b3a665a174252312f8ee6c8c36a78fe5bab9e3b5cfe81fa58a7bc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling mlua_derive v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.43s
[INFO] running `Command { std: "docker" "inspect" "93c8f33ec08b3a665a174252312f8ee6c8c36a78fe5bab9e3b5cfe81fa58a7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c8f33ec08b3a665a174252312f8ee6c8c36a78fe5bab9e3b5cfe81fa58a7bc", kill_on_drop: false }`
[INFO] [stdout] 93c8f33ec08b3a665a174252312f8ee6c8c36a78fe5bab9e3b5cfe81fa58a7bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 663b55e4e77e8c42909be50886f2006164d8afd1150536edb45540aebe768616
[INFO] running `Command { std: "docker" "start" "-a" "663b55e4e77e8c42909be50886f2006164d8afd1150536edb45540aebe768616", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mlua_derive v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "663b55e4e77e8c42909be50886f2006164d8afd1150536edb45540aebe768616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "663b55e4e77e8c42909be50886f2006164d8afd1150536edb45540aebe768616", kill_on_drop: false }`
[INFO] [stdout] 663b55e4e77e8c42909be50886f2006164d8afd1150536edb45540aebe768616
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de8f54682a3cf4d5bc0166712735b5a622e506a26fb2bf84ecb7eb3c5867bb23
[INFO] running `Command { std: "docker" "start" "-a" "de8f54682a3cf4d5bc0166712735b5a622e506a26fb2bf84ecb7eb3c5867bb23", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mlua_derive-ba5e1b6123bf655f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mlua_derive
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "de8f54682a3cf4d5bc0166712735b5a622e506a26fb2bf84ecb7eb3c5867bb23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de8f54682a3cf4d5bc0166712735b5a622e506a26fb2bf84ecb7eb3c5867bb23", kill_on_drop: false }`
[INFO] [stdout] de8f54682a3cf4d5bc0166712735b5a622e506a26fb2bf84ecb7eb3c5867bb23