[INFO] cloning repository https://github.com/BrianHicks/tree-db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrianHicks/tree-db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianHicks%2Ftree-db", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianHicks%2Ftree-db'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fc448604adaa09bf358771ef7c97326d1635b1f
[INFO] checking BrianHicks/tree-db against master#f2c70877a7dbc51cd98e2d5d25209b24d4a586d5 for pr-150097
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianHicks%2Ftree-db" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BrianHicks/tree-db
[INFO] finished tweaking git repo https://github.com/BrianHicks/tree-db
[INFO] tweaked toml for git repo https://github.com/BrianHicks/tree-db written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BrianHicks/tree-db on toolchain f2c70877a7dbc51cd98e2d5d25209b24d4a586d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BrianHicks/tree-db 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" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-error v0.2.0
[INFO] [stderr]   Downloaded uuid v1.2.2
[INFO] [stderr]   Downloaded guess_host_triple v0.1.3
[INFO] [stderr]   Downloaded casey v0.3.3
[INFO] [stderr]   Downloaded delegate v0.8.0
[INFO] [stderr]   Downloaded globset v0.4.10
[INFO] [stderr]   Downloaded indoc v1.0.8
[INFO] [stderr]   Downloaded sqlite v0.30.3
[INFO] [stderr]   Downloaded document-features v0.2.7
[INFO] [stderr]   Downloaded supports-hyperlinks v1.2.0
[INFO] [stderr]   Downloaded eyre v0.6.8
[INFO] [stderr]   Downloaded terminal_size v0.2.3
[INFO] [stderr]   Downloaded graph_builder v0.3.0
[INFO] [stderr]   Downloaded atomic_float v0.1.0
[INFO] [stderr]   Downloaded ordered-float v3.4.0
[INFO] [stderr]   Downloaded pest_meta v2.5.2
[INFO] [stderr]   Downloaded litrs v0.2.3
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.85
[INFO] [stderr]   Downloaded cxx-build v1.0.85
[INFO] [stderr]   Downloaded tree-sitter v0.20.9
[INFO] [stderr]   Downloaded miette v5.5.0
[INFO] [stderr]   Downloaded pest v2.5.2
[INFO] [stderr]   Downloaded cozo v0.4.1
[INFO] [stderr]   Downloaded color-spantrace v0.2.0
[INFO] [stderr]   Downloaded unicode-linebreak v0.1.4
[INFO] [stderr]   Downloaded fast-float v0.2.0
[INFO] [stderr]   Downloaded rustls v0.20.7
[INFO] [stderr]   Downloaded object v0.30.1
[INFO] [stderr]   Downloaded rmpv v1.0.0
[INFO] [stderr]   Downloaded graph v0.3.0
[INFO] [stderr]   Downloaded bstr v1.1.0
[INFO] [stderr]   Downloaded sqlite3-sys v0.14.0
[INFO] [stderr]   Downloaded is_ci v1.1.1
[INFO] [stderr]   Downloaded minreq v2.6.0
[INFO] [stderr]   Downloaded priority-queue v1.3.0
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.85
[INFO] [stderr]   Downloaded miette-derive v5.5.0
[INFO] [stderr]   Downloaded supports-unicode v1.0.2
[INFO] [stderr]   Downloaded cxx v1.0.85
[INFO] [stderr]   Downloaded supports-color v1.3.1
[INFO] [stderr]   Downloaded pest_generator v2.5.2
[INFO] [stderr]   Downloaded pest_derive v2.5.2
[INFO] [stderr]   Downloaded color-eyre v0.6.2
[INFO] [stderr]   Downloaded serde_bytes v0.11.8
[INFO] [stderr]   Downloaded ignore v0.4.19
[INFO] [stderr]   Downloaded gimli v0.27.0
[INFO] [stderr]   Downloaded page_size v0.4.2
[INFO] [stderr]   Downloaded sqlite3-src v0.4.0
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a089fc17b035ddc2fc492e8865e4746ef33863f7c638551970328e0eda95c531
[INFO] running `Command { std: "docker" "start" "-a" "a089fc17b035ddc2fc492e8865e4746ef33863f7c638551970328e0eda95c531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a089fc17b035ddc2fc492e8865e4746ef33863f7c638551970328e0eda95c531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a089fc17b035ddc2fc492e8865e4746ef33863f7c638551970328e0eda95c531", kill_on_drop: false }`
[INFO] [stdout] a089fc17b035ddc2fc492e8865e4746ef33863f7c638551970328e0eda95c531
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 053ae99936219ca4a83a934497a570f81f1527bbc8b6b24b5af05baf088ee5ef
[INFO] running `Command { std: "docker" "start" "-a" "053ae99936219ca4a83a934497a570f81f1527bbc8b6b24b5af05baf088ee5ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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] [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" "053ae99936219ca4a83a934497a570f81f1527bbc8b6b24b5af05baf088ee5ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "053ae99936219ca4a83a934497a570f81f1527bbc8b6b24b5af05baf088ee5ef", kill_on_drop: false }`
[INFO] [stdout] 053ae99936219ca4a83a934497a570f81f1527bbc8b6b24b5af05baf088ee5ef
