[INFO] fetching crate arg_ripper 0.1.0...
[INFO] checking arg_ripper-0.1.0 against try#377afada703be70d3fdff9164a481570a3cba7fe for pr-113240
[INFO] extracting crate arg_ripper 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate arg_ripper 0.1.0 on toolchain 377afada703be70d3fdff9164a481570a3cba7fe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arg_ripper 0.1.0
[INFO] finished tweaking crates.io crate arg_ripper 0.1.0
[INFO] tweaked toml for crates.io crate arg_ripper 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate arg_ripper 0.1.0 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" "+377afada703be70d3fdff9164a481570a3cba7fe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d4810daa4f3c94d67cf4db005bb1dd0ea8db22b28c213fc6f95803dc05c24ca
[INFO] running `Command { std: "docker" "start" "-a" "5d4810daa4f3c94d67cf4db005bb1dd0ea8db22b28c213fc6f95803dc05c24ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d4810daa4f3c94d67cf4db005bb1dd0ea8db22b28c213fc6f95803dc05c24ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d4810daa4f3c94d67cf4db005bb1dd0ea8db22b28c213fc6f95803dc05c24ca", kill_on_drop: false }`
[INFO] [stdout] 5d4810daa4f3c94d67cf4db005bb1dd0ea8db22b28c213fc6f95803dc05c24ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffd4f84cb7edd19db66c33939bf13fe631c13aec98c61bace88eb08ad179b052
[INFO] running `Command { std: "docker" "start" "-a" "ffd4f84cb7edd19db66c33939bf13fe631c13aec98c61bace88eb08ad179b052", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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] 
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stdout] error: aborting due to previous error
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ffd4f84cb7edd19db66c33939bf13fe631c13aec98c61bace88eb08ad179b052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd4f84cb7edd19db66c33939bf13fe631c13aec98c61bace88eb08ad179b052", kill_on_drop: false }`
[INFO] [stdout] ffd4f84cb7edd19db66c33939bf13fe631c13aec98c61bace88eb08ad179b052