[INFO] cloning repository https://github.com/vivek-verse/discord_macros_session
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vivek-verse/discord_macros_session" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvivek-verse%2Fdiscord_macros_session", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvivek-verse%2Fdiscord_macros_session'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4d91b688789a540464b6db645ae3a5d0f5fbe08
[INFO] checking vivek-verse/discord_macros_session against try#409ef99a7d4dc96ae91f65d4b48413ed174514d6 for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvivek-verse%2Fdiscord_macros_session" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  41% (457/1096)
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error: unable to write file target/debug/deps/libproc_macro2-656e88b68705764a.rlib
[INFO] [stderr] error: unable to write file target/debug/deps/libproc_macro2-656e88b68705764a.rmeta
[INFO] [stderr] error: unable to write file target/debug/deps/libproc_macro2-b17710c06c18f971.rmeta
[INFO] [stderr] error: unable to write file target/debug/deps/libquote-17e9c18928ed95ae.rlib
[INFO] [stderr] error: unable to write file target/debug/deps/libquote-17e9c18928ed95ae.rmeta
[INFO] [stderr] error: unable to write file target/debug/deps/libquote-74f71c899b27e3b1.rmeta
[INFO] [stderr] error: unable to write file target/debug/deps/libquote-e52b86a2c0dd43bc.rlib
[INFO] [stderr] error: unable to write file target/debug/deps/libquote-e52b86a2c0dd43bc.rmeta
[INFO] [stderr] error: unable to write file target/debug/deps/libregex-1130fb2913699bf7.rmeta
[INFO] [stderr] Updating files:  46% (505/1096)
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Updating files: 100% (1096/1096), done.
[INFO] [stderr] fatal: unable to checkout working tree
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] checking vivek-verse/discord_macros_session against try#409ef99a7d4dc96ae91f65d4b48413ed174514d6 for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvivek-verse%2Fdiscord_macros_session" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  72% (797/1096)
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Updating files: 100% (1096/1096), done.
[INFO] validating manifest of git repo https://github.com/vivek-verse/discord_macros_session on toolchain 409ef99a7d4dc96ae91f65d4b48413ed174514d6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vivek-verse/discord_macros_session
[INFO] finished tweaking git repo https://github.com/vivek-verse/discord_macros_session
[INFO] tweaked toml for git repo https://github.com/vivek-verse/discord_macros_session written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/vivek-verse/discord_macros_session 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" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 321fdb7b921e4d97690169944962981726e51e9e65ab640e5d89792486332510
[INFO] running `Command { std: "docker" "start" "-a" "321fdb7b921e4d97690169944962981726e51e9e65ab640e5d89792486332510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "321fdb7b921e4d97690169944962981726e51e9e65ab640e5d89792486332510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "321fdb7b921e4d97690169944962981726e51e9e65ab640e5d89792486332510", kill_on_drop: false }`
[INFO] [stdout] 321fdb7b921e4d97690169944962981726e51e9e65ab640e5d89792486332510
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b252a0351e89146f56165d00e1dee60529cc616c6ac3d53148107a761f9f78d
[INFO] running `Command { std: "docker" "start" "-a" "9b252a0351e89146f56165d00e1dee60529cc616c6ac3d53148107a761f9f78d", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking declarative v0.1.0 (/opt/rustwide/workdir/declarative)
[INFO] [stderr]     Checking attribute v0.1.0 (/opt/rustwide/workdir/attribute)
[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] 
[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] 
[INFO] [stderr]     Checking aho-corasick v0.7.19
[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" "9b252a0351e89146f56165d00e1dee60529cc616c6ac3d53148107a761f9f78d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b252a0351e89146f56165d00e1dee60529cc616c6ac3d53148107a761f9f78d", kill_on_drop: false }`
[INFO] [stdout] 9b252a0351e89146f56165d00e1dee60529cc616c6ac3d53148107a761f9f78d