[INFO] cloning repository https://github.com/codahale/nanostat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codahale/nanostat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodahale%2Fnanostat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodahale%2Fnanostat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed50c72b985159bb906de1f7a3115f4c740591ce
[INFO] checking codahale/nanostat/ed50c72b985159bb906de1f7a3115f4c740591ce against c999cef531ea9059e189e82fe0e82c5daf249bc9 for pr-152972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodahale%2Fnanostat" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/codahale/nanostat
[INFO] finished tweaking git repo https://github.com/codahale/nanostat
[INFO] tweaked toml for git repo https://github.com/codahale/nanostat written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/codahale/nanostat on toolchain c999cef531ea9059e189e82fe0e82c5daf249bc9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/codahale/nanostat 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" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.4.1
[INFO] [stderr]   Downloaded statrs v0.16.0
[INFO] [stderr]   Downloaded svg v0.7.2
[INFO] [stderr]   Downloaded ciborium-ll v0.2.0
[INFO] [stderr]   Downloaded ciborium-io v0.2.0
[INFO] [stderr]   Downloaded xshell-macros v0.2.3
[INFO] [stderr]   Downloaded bytemuck v1.12.1
[INFO] [stderr]   Downloaded plotlib v0.5.1
[INFO] [stderr]   Downloaded ciborium v0.2.0
[INFO] [stderr]   Downloaded xshell v0.2.3
[INFO] [stderr]   Downloaded textwrap v0.15.1
[INFO] [stderr]   Downloaded io-lifetimes v1.0.1
[INFO] [stderr]   Downloaded clap v4.1.1
[INFO] [stderr]   Downloaded clap v3.2.22
[INFO] [stderr]   Downloaded rustix v0.36.4
[INFO] [stderr]   Downloaded linux-raw-sys v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3c5702ebd90af18a6718e6f317f7a926b8cd3a40ff8d2687ce1f752b1c216b85
[INFO] running `Command { std: "docker" "start" "3c5702ebd90af18a6718e6f317f7a926b8cd3a40ff8d2687ce1f752b1c216b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c5702ebd90af18a6718e6f317f7a926b8cd3a40ff8d2687ce1f752b1c216b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3c5702ebd90af18a6718e6f317f7a926b8cd3a40ff8d2687ce1f752b1c216b85" "/opt/rustwide/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c5702ebd90af18a6718e6f317f7a926b8cd3a40ff8d2687ce1f752b1c216b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3c5702ebd90af18a6718e6f317f7a926b8cd3a40ff8d2687ce1f752b1c216b85" "/opt/rustwide/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.1
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling rustix v0.36.4
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking linux-raw-sys v0.1.3
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking ciborium-io v0.2.0
[INFO] [stderr]     Checking clap_lex v0.2.2
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking textwrap v0.15.1
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking ciborium-ll v0.2.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]    Compiling xshell-macros v0.2.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] 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]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking clap v3.2.22
[INFO] [stderr]     Checking xshell v0.2.3
[INFO] [stderr]     Checking wide v0.7.4
[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] running `Command { std: "docker" "inspect" "3c5702ebd90af18a6718e6f317f7a926b8cd3a40ff8d2687ce1f752b1c216b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c5702ebd90af18a6718e6f317f7a926b8cd3a40ff8d2687ce1f752b1c216b85", kill_on_drop: false }`
[INFO] [stdout] 3c5702ebd90af18a6718e6f317f7a926b8cd3a40ff8d2687ce1f752b1c216b85
