[INFO] fetching crate sidetree 0.10.1...
[INFO] checking sidetree-0.10.1 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate sidetree 0.10.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate sidetree 0.10.1 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate sidetree 0.10.1
[INFO] finished tweaking crates.io crate sidetree 0.10.1
[INFO] tweaked toml for crates.io crate sidetree 0.10.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate sidetree 0.10.1 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tui-textarea v0.2.0
[INFO] [stderr]   Downloaded xdg v2.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7581d5ad0369c7dd4eafe2a5bc6d3e1b718ea6d1f9783926c5f7b3a9d5bdc240
[INFO] running `Command { std: "docker" "start" "-a" "7581d5ad0369c7dd4eafe2a5bc6d3e1b718ea6d1f9783926c5f7b3a9d5bdc240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7581d5ad0369c7dd4eafe2a5bc6d3e1b718ea6d1f9783926c5f7b3a9d5bdc240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7581d5ad0369c7dd4eafe2a5bc6d3e1b718ea6d1f9783926c5f7b3a9d5bdc240", kill_on_drop: false }`
[INFO] [stdout] 7581d5ad0369c7dd4eafe2a5bc6d3e1b718ea6d1f9783926c5f7b3a9d5bdc240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da4c5fa7091fa210aa7b633d26f2b63fccd7a3fe4b81d05ab702f7953be6257f
[INFO] running `Command { std: "docker" "start" "-a" "da4c5fa7091fa210aa7b633d26f2b63fccd7a3fe4b81d05ab702f7953be6257f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking path-dedot v3.0.18
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]     Checking path-absolutize v3.0.14
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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 strsim v0.10.0
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[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] [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] running `Command { std: "docker" "inspect" "da4c5fa7091fa210aa7b633d26f2b63fccd7a3fe4b81d05ab702f7953be6257f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da4c5fa7091fa210aa7b633d26f2b63fccd7a3fe4b81d05ab702f7953be6257f", kill_on_drop: false }`
[INFO] [stdout] da4c5fa7091fa210aa7b633d26f2b63fccd7a3fe4b81d05ab702f7953be6257f