[INFO] cloning repository https://github.com/CodeSteak/piper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CodeSteak/piper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodeSteak%2Fpiper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodeSteak%2Fpiper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a410c0bcf5c76e110a0270711820d363e54ab461
[INFO] checking CodeSteak/piper/a410c0bcf5c76e110a0270711820d363e54ab461 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodeSteak%2Fpiper" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CodeSteak/piper on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CodeSteak/piper
[INFO] finished tweaking git repo https://github.com/CodeSteak/piper
[INFO] tweaked toml for git repo https://github.com/CodeSteak/piper written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CodeSteak/piper 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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] [stderr]     Updating git repository `https://github.com/CodeSteak/tiny-http`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-argon2 v1.0.0
[INFO] [stderr]   Downloaded levenshtein v1.0.5
[INFO] [stderr]   Downloaded streaming-zip v0.5.0
[INFO] [stderr]   Downloaded askama_derive v0.10.5
[INFO] [stderr]   Downloaded clap_derive v4.0.9
[INFO] [stderr]   Downloaded iana-time-zone v0.1.50
[INFO] [stderr]   Downloaded tar v0.4.38
[INFO] [stderr]   Downloaded askama v0.10.5
[INFO] [stderr]   Downloaded askama_shared v0.11.2
[INFO] [stderr]   Downloaded rouille v3.5.0
[INFO] [stderr]   Downloaded time v0.3.15
[INFO] [stderr]   Downloaded clap v4.0.9
[INFO] [stderr]   Downloaded bumpalo v3.11.0
[INFO] [stderr]   Downloaded bitvec v0.19.6
[INFO] [stderr]   Downloaded deflate v0.9.1
[INFO] [stderr]   Downloaded gzip-header v0.3.0
[INFO] [stderr]   Downloaded crc v2.1.0
[INFO] [stderr]   Downloaded xattr v0.2.3
[INFO] [stderr]   Downloaded libc v0.2.134
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0de2879b95a4d788c57ee41f1366c9119cd9a13899b194839fe0aa6a5e9f949
[INFO] running `Command { std: "docker" "start" "-a" "f0de2879b95a4d788c57ee41f1366c9119cd9a13899b194839fe0aa6a5e9f949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0de2879b95a4d788c57ee41f1366c9119cd9a13899b194839fe0aa6a5e9f949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0de2879b95a4d788c57ee41f1366c9119cd9a13899b194839fe0aa6a5e9f949", kill_on_drop: false }`
[INFO] [stdout] f0de2879b95a4d788c57ee41f1366c9119cd9a13899b194839fe0aa6a5e9f949
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dfb41e621bd010eba9d3f397b79a60be09c1d4cb79f2aa268572ee4c5cffd26
[INFO] running `Command { std: "docker" "start" "-a" "3dfb41e621bd010eba9d3f397b79a60be09c1d4cb79f2aa268572ee4c5cffd26", 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 libc v0.2.134
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking generic-array v0.14.6
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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 wyz v0.2.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]     Checking blake2b_simd v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stdout] error: aborting due to 1 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] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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: aborting due to 1 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] running `Command { std: "docker" "inspect" "3dfb41e621bd010eba9d3f397b79a60be09c1d4cb79f2aa268572ee4c5cffd26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dfb41e621bd010eba9d3f397b79a60be09c1d4cb79f2aa268572ee4c5cffd26", kill_on_drop: false }`
[INFO] [stdout] 3dfb41e621bd010eba9d3f397b79a60be09c1d4cb79f2aa268572ee4c5cffd26