[INFO] fetching crate circulo 0.1.0...
[INFO] testing circulo-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate circulo 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate circulo 0.1.0
[INFO] finished tweaking crates.io crate circulo 0.1.0
[INFO] tweaked toml for crates.io crate circulo 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate circulo 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate circulo 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.17.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.49
[INFO] [stderr]   Downloaded secret-service v2.0.2
[INFO] [stderr]   Downloaded serde_repr v0.1.10
[INFO] [stderr]   Downloaded async-trait v0.1.61
[INFO] [stderr]   Downloaded num-complex v0.4.2
[INFO] [stderr]   Downloaded anyhow v1.0.68
[INFO] [stderr]   Downloaded zbus v1.9.3
[INFO] [stderr]   Downloaded syn v1.0.107
[INFO] [stderr]   Downloaded zvariant v2.10.0
[INFO] [stderr]   Downloaded cc v1.0.78
[INFO] [stderr]   Downloaded serde_yaml v0.9.16
[INFO] [stderr]   Downloaded ipnet v2.7.0
[INFO] [stderr]   Downloaded bytes v1.3.0
[INFO] [stderr]   Downloaded reqwest v0.11.13
[INFO] [stderr]   Downloaded object v0.30.1
[INFO] [stderr]   Downloaded clap v4.0.32
[INFO] [stderr]   Downloaded nix v0.22.3
[INFO] [stderr]   Downloaded hyper v0.14.23
[INFO] [stderr]   Downloaded rustix v0.36.6
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.0
[INFO] [stderr]   Downloaded serde_json v1.0.91
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.0
[INFO] [stderr]   Downloaded async-io v1.12.0
[INFO] [stderr]   Downloaded wepoll-ffi v0.1.2
[INFO] [stderr]   Downloaded buhtig v0.0.9
[INFO] [stderr]   Downloaded thiserror-impl v1.0.38
[INFO] [stderr]   Downloaded tokio v1.24.1
[INFO] [stderr]   Downloaded toml v0.5.10
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.42.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.0
[INFO] [stderr]   Downloaded gimli v0.27.0
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] [stderr]   Downloaded nb-connect v1.2.0
[INFO] [stderr]   Downloaded polling v2.5.2
[INFO] [stderr]   Downloaded enumflags2_derive v0.6.4
[INFO] [stderr]   Downloaded enumflags2 v0.6.4
[INFO] [stderr]   Downloaded zvariant_derive v2.10.0
[INFO] [stderr]   Downloaded keyring v1.2.0
[INFO] [stderr]   Downloaded clap_derive v4.0.21
[INFO] [stderr]   Downloaded io-lifetimes v1.0.3
[INFO] [stderr]   Downloaded hyper-rustls v0.23.2
[INFO] [stderr]   Downloaded rustversion v1.0.11
[INFO] [stderr]   Downloaded thiserror v1.0.38
[INFO] [stderr]   Downloaded tokio-macros v1.8.2
[INFO] [stderr]   Downloaded zbus_macros v1.9.3
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.5
[INFO] [stderr]   Downloaded webpki-roots v0.22.6
[INFO] [stderr]   Downloaded jacklog v0.1.0
[INFO] [stderr]   Downloaded is-terminal v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07fba9d1a25108400437e986c91bdc109a979b95d8822025d75540aed055cdad
[INFO] running `Command { std: "docker" "start" "-a" "07fba9d1a25108400437e986c91bdc109a979b95d8822025d75540aed055cdad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07fba9d1a25108400437e986c91bdc109a979b95d8822025d75540aed055cdad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07fba9d1a25108400437e986c91bdc109a979b95d8822025d75540aed055cdad", kill_on_drop: false }`
[INFO] [stdout] 07fba9d1a25108400437e986c91bdc109a979b95d8822025d75540aed055cdad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd550eca37cf5c07969d9738c61231d574a46e4123a16b622902158ea4979726
[INFO] running `Command { std: "docker" "start" "-a" "fd550eca37cf5c07969d9738c61231d574a46e4123a16b622902158ea4979726", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[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 libc v0.2.139
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling bytes v1.3.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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 v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling tokio v1.24.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling indexmap v1.9.2
[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" "fd550eca37cf5c07969d9738c61231d574a46e4123a16b622902158ea4979726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd550eca37cf5c07969d9738c61231d574a46e4123a16b622902158ea4979726", kill_on_drop: false }`
[INFO] [stdout] fd550eca37cf5c07969d9738c61231d574a46e4123a16b622902158ea4979726
