[INFO] fetching crate circulo 0.1.0...
[INFO] checking circulo-0.1.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate circulo 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate circulo 0.1.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc1/source/Cargo.toml
[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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.78
[INFO] [stderr]   Downloaded socket2 v0.4.7
[INFO] [stderr]   Downloaded proc-macro2 v1.0.49
[INFO] [stderr]   Downloaded tokio-macros v1.8.2
[INFO] [stderr]   Downloaded bytes v1.3.0
[INFO] [stderr]   Downloaded nb-connect v1.2.0
[INFO] [stderr]   Downloaded block-modes v0.8.1
[INFO] [stderr]   Downloaded concurrent-queue v2.0.0
[INFO] [stderr]   Downloaded zvariant_derive v2.10.0
[INFO] [stderr]   Downloaded keyring v1.2.0
[INFO] [stderr]   Downloaded async-trait v0.1.61
[INFO] [stderr]   Downloaded zvariant v2.10.0
[INFO] [stderr]   Downloaded zbus v1.9.3
[INFO] [stderr]   Downloaded tokio-util v0.7.4
[INFO] [stderr]   Downloaded reqwest v0.11.13
[INFO] [stderr]   Downloaded http v0.2.8
[INFO] [stderr]   Downloaded h2 v0.3.15
[INFO] [stderr]   Downloaded hkdf v0.11.0
[INFO] [stderr]   Downloaded hyper v0.14.23
[INFO] [stderr]   Downloaded rustls v0.20.7
[INFO] [stderr]   Downloaded nix v0.22.3
[INFO] [stderr]   Downloaded clap v4.0.32
[INFO] [stderr]   Downloaded object v0.30.1
[INFO] [stderr]   Downloaded rustix v0.36.6
[INFO] [stderr]   Downloaded secret-service v2.0.2
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.5
[INFO] [stderr]   Downloaded serde_yaml v0.9.16
[INFO] [stderr]   Downloaded num-iter v0.1.43
[INFO] [stderr]   Downloaded buhtig v0.0.9
[INFO] [stderr]   Downloaded tokio v1.24.1
[INFO] [stderr]   Downloaded futures-executor v0.3.25
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.1
[INFO] [stderr]   Downloaded async-io v1.12.0
[INFO] [stderr]   Downloaded zbus_macros v1.9.3
[INFO] [stderr]   Downloaded jacklog v0.1.0
[INFO] [stderr]   Downloaded num-complex v0.4.2
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] [stderr]   Downloaded polling v2.5.2
[INFO] [stderr]   Downloaded serde_repr v0.1.10
[INFO] [stderr]   Downloaded enumflags2 v0.6.4
[INFO] [stderr]   Downloaded is-terminal v0.4.2
[INFO] [stderr]   Downloaded hyper-rustls v0.23.2
[INFO] [stderr]   Downloaded ipnet v2.7.0
[INFO] [stderr]   Downloaded enumflags2_derive v0.6.4
[INFO] [stderr]   Downloaded gimli v0.27.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61fd9ba9e07def99035203830cb654f4b0ae90d756630fba7ce5aa3526a6526d
[INFO] running `Command { std: "docker" "start" "-a" "61fd9ba9e07def99035203830cb654f4b0ae90d756630fba7ce5aa3526a6526d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61fd9ba9e07def99035203830cb654f4b0ae90d756630fba7ce5aa3526a6526d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61fd9ba9e07def99035203830cb654f4b0ae90d756630fba7ce5aa3526a6526d", kill_on_drop: false }`
[INFO] [stdout] 61fd9ba9e07def99035203830cb654f4b0ae90d756630fba7ce5aa3526a6526d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca626cbedd049285e4cd70ebb0d197cbbfe6b44095b69c683aa526d4c2e0d596
[INFO] running `Command { std: "docker" "start" "-a" "ca626cbedd049285e4cd70ebb0d197cbbfe6b44095b69c683aa526d4c2e0d596", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking 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 slab v0.4.7
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling tokio v1.24.1
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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 indexmap v1.9.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]    Compiling num-iter v0.1.43
[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" "ca626cbedd049285e4cd70ebb0d197cbbfe6b44095b69c683aa526d4c2e0d596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca626cbedd049285e4cd70ebb0d197cbbfe6b44095b69c683aa526d4c2e0d596", kill_on_drop: false }`
[INFO] [stdout] ca626cbedd049285e4cd70ebb0d197cbbfe6b44095b69c683aa526d4c2e0d596
