[INFO] cloning repository https://github.com/Dav1dde/farfalle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dav1dde/farfalle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDav1dde%2Ffarfalle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDav1dde%2Ffarfalle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9479a27730cc162554bb3c05ec0abba117e21b23
[INFO] checking Dav1dde/farfalle against master#f2c70877a7dbc51cd98e2d5d25209b24d4a586d5 for pr-150097
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDav1dde%2Ffarfalle" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Dav1dde/farfalle
[INFO] finished tweaking git repo https://github.com/Dav1dde/farfalle
[INFO] tweaked toml for git repo https://github.com/Dav1dde/farfalle written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Dav1dde/farfalle 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/Dav1dde/farfalle 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tree-sitter-highlight v0.20.1
[INFO] [stderr]   Downloaded askama v0.11.1
[INFO] [stderr]   Downloaded humansize v1.1.1
[INFO] [stderr]   Downloaded sync_wrapper v0.1.1
[INFO] [stderr]   Downloaded elegant-departure v0.2.0
[INFO] [stderr]   Downloaded axum-core v0.2.8
[INFO] [stderr]   Downloaded bpaf_derive v0.3.0
[INFO] [stderr]   Downloaded askama_derive v0.11.2
[INFO] [stderr]   Downloaded infer v0.9.0
[INFO] [stderr]   Downloaded async-trait v0.1.57
[INFO] [stderr]   Downloaded serde_derive v1.0.145
[INFO] [stderr]   Downloaded askama_shared v0.12.2
[INFO] [stderr]   Downloaded uuid v1.2.1
[INFO] [stderr]   Downloaded serde v1.0.145
[INFO] [stderr]   Downloaded tower-http v0.3.4
[INFO] [stderr]   Downloaded axum v0.5.16
[INFO] [stderr]   Downloaded serde_json v1.0.86
[INFO] [stderr]   Downloaded bpaf v0.6.1
[INFO] [stderr]   Downloaded syn v1.0.102
[INFO] [stderr]   Downloaded tree-sitter v0.20.9
[INFO] [stderr]   Downloaded libc v0.2.135
[INFO] [stderr]   Downloaded pepegsitter v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1fb7161ce5fba9d06a68457e8a5ecf80befd3462edff032f6b3fab7ae09d0a02
[INFO] running `Command { std: "docker" "start" "-a" "1fb7161ce5fba9d06a68457e8a5ecf80befd3462edff032f6b3fab7ae09d0a02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fb7161ce5fba9d06a68457e8a5ecf80befd3462edff032f6b3fab7ae09d0a02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb7161ce5fba9d06a68457e8a5ecf80befd3462edff032f6b3fab7ae09d0a02", kill_on_drop: false }`
[INFO] [stdout] 1fb7161ce5fba9d06a68457e8a5ecf80befd3462edff032f6b3fab7ae09d0a02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5d877da8b909e24ee1319875457bf32900669433ced554b2a250fc1ae9a8fda9
[INFO] running `Command { std: "docker" "start" "-a" "5d877da8b909e24ee1319875457bf32900669433ced554b2a250fc1ae9a8fda9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 serde v1.0.145
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling cc v1.0.73
[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" "5d877da8b909e24ee1319875457bf32900669433ced554b2a250fc1ae9a8fda9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d877da8b909e24ee1319875457bf32900669433ced554b2a250fc1ae9a8fda9", kill_on_drop: false }`
[INFO] [stdout] 5d877da8b909e24ee1319875457bf32900669433ced554b2a250fc1ae9a8fda9
