[INFO] cloning repository https://github.com/ATLi2001/rust_lmdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ATLi2001/rust_lmdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FATLi2001%2Frust_lmdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FATLi2001%2Frust_lmdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d970f123e6181ff274c782deb9e11c0622a5340
[INFO] checking ATLi2001/rust_lmdb against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FATLi2001%2Frust_lmdb" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/ATLi2001/rust_lmdb
[INFO] finished tweaking git repo https://github.com/ATLi2001/rust_lmdb
[INFO] tweaked toml for git repo https://github.com/ATLi2001/rust_lmdb written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ATLi2001/rust_lmdb on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ATLi2001/rust_lmdb 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" "+54cf65b8d066c082e536455049b95943cf30378f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: patch `protobuf-codegen v2.8.0 (https://github.com/pingcap/rust-protobuf?rev=82b49fea7e696fd647b5aca0a6c6ec944eab3189#82b49fea)` was not used in the crate graph
[INFO] [stderr] help: Check that the patched package version and available features are compatible
[INFO] [stderr]       with the dependency requirements. If the patch has a different version from
[INFO] [stderr]       what is locked in the Cargo.lock file, run `cargo update` to use the new
[INFO] [stderr]       version. This may also occur with an optional dependency that is not enabled.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2135dcf1f2f6f37e420ef32a5a65ff1b8eead7892a5abe852957099b19c445b0
[INFO] running `Command { std: "docker" "start" "-a" "2135dcf1f2f6f37e420ef32a5a65ff1b8eead7892a5abe852957099b19c445b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2135dcf1f2f6f37e420ef32a5a65ff1b8eead7892a5abe852957099b19c445b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2135dcf1f2f6f37e420ef32a5a65ff1b8eead7892a5abe852957099b19c445b0", kill_on_drop: false }`
[INFO] [stdout] 2135dcf1f2f6f37e420ef32a5a65ff1b8eead7892a5abe852957099b19c445b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce816ca14af662fe5416c2456a4349b80061074fc9a57df8d54b0cde1cbcc9d2
[INFO] running `Command { std: "docker" "start" "-a" "ce816ca14af662fe5416c2456a4349b80061074fc9a57df8d54b0cde1cbcc9d2", kill_on_drop: false }`
[INFO] [stderr] warning: patch `protobuf-codegen v2.8.0 (https://github.com/pingcap/rust-protobuf?rev=82b49fea7e696fd647b5aca0a6c6ec944eab3189#82b49fea)` was not used in the crate graph
[INFO] [stderr] help: Check that the patched package version and available features are compatible
[INFO] [stderr]       with the dependency requirements. If the patch has a different version from
[INFO] [stderr]       what is locked in the Cargo.lock file, run `cargo update` to use the new
[INFO] [stderr]       version. This may also occur with an optional dependency that is not enabled.
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling rustix v0.37.11
[INFO] [stderr]    Compiling linux-raw-sys v0.3.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling protobuf v2.8.0 (https://github.com/pingcap/rust-protobuf?rev=82b49fea7e696fd647b5aca0a6c6ec944eab3189#82b49fea)
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ce816ca14af662fe5416c2456a4349b80061074fc9a57df8d54b0cde1cbcc9d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce816ca14af662fe5416c2456a4349b80061074fc9a57df8d54b0cde1cbcc9d2", kill_on_drop: false }`
[INFO] [stdout] ce816ca14af662fe5416c2456a4349b80061074fc9a57df8d54b0cde1cbcc9d2
