[INFO] fetching crate pr47 0.1.4-CHARLIE... [INFO] building pr47-0.1.4-CHARLIE against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] extracting crate pr47 0.1.4-CHARLIE into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate pr47 0.1.4-CHARLIE [INFO] finished tweaking crates.io crate pr47 0.1.4-CHARLIE [INFO] tweaked toml for crates.io crate pr47 0.1.4-CHARLIE written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate pr47 0.1.4-CHARLIE on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate pr47 0.1.4-CHARLIE 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded xjbutil v0.9.0-CHARLIE [INFO] [stderr] Downloaded siphasher v0.3.10 [INFO] [stderr] Downloaded proc-macro2 v1.0.51 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.84 [INFO] [stderr] Downloaded blocking v1.3.0 [INFO] [stderr] Downloaded unchecked_unwrap v4.0.0 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.34 [INFO] [stderr] Downloaded futures-core v0.3.26 [INFO] [stderr] Downloaded libc v0.2.139 [INFO] [stderr] Downloaded futures-io v0.3.26 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.84 [INFO] [stderr] Downloaded phf_generator v0.11.1 [INFO] [stderr] Downloaded phf v0.11.1 [INFO] [stderr] Downloaded async-global-executor v2.3.1 [INFO] [stderr] Downloaded concurrent-queue v2.1.0 [INFO] [stderr] Downloaded js-sys v0.3.61 [INFO] [stderr] Downloaded futures-util v0.3.26 [INFO] [stderr] Downloaded async-io v1.12.0 [INFO] [stderr] Downloaded wasm-bindgen v0.2.84 [INFO] [stderr] Downloaded windows_i686_msvc v0.42.1 [INFO] [stderr] Downloaded quote v1.0.23 [INFO] [stderr] Downloaded async-executor v1.5.0 [INFO] [stderr] Downloaded crossbeam-utils v0.8.14 [INFO] [stderr] Downloaded bumpalo v3.12.0 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.84 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.84 [INFO] [stderr] Downloaded futures-channel v0.3.26 [INFO] [stderr] Downloaded futures-sink v0.3.26 [INFO] [stderr] Downloaded futures-task v0.3.26 [INFO] [stderr] Downloaded futures v0.3.26 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.42.1 [INFO] [stderr] Downloaded windows_x86_64_gnullvm v0.42.1 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.42.1 [INFO] [stderr] Downloaded phf_macros v0.11.1 [INFO] [stderr] Downloaded phf_shared v0.11.1 [INFO] [stderr] Downloaded windows_aarch64_gnullvm v0.42.1 [INFO] [stderr] Downloaded pr47-codegen v0.0.2 [INFO] [stderr] Downloaded variant_count v1.1.0 [INFO] [stderr] Downloaded async-channel v1.8.0 [INFO] [stderr] Downloaded atomic-waker v1.1.0 [INFO] [stderr] Downloaded polling v2.5.2 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.42.1 [INFO] [stderr] Downloaded windows_i686_gnu v0.42.1 [INFO] [stderr] Downloaded tokio v1.25.0 [INFO] [stderr] Downloaded web-sys v0.3.61 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2c22abbb77344e574cc3776ceed1fa97c923e05d8219ffe6300577e2571e4cb4 [INFO] running `Command { std: "docker" "start" "-a" "2c22abbb77344e574cc3776ceed1fa97c923e05d8219ffe6300577e2571e4cb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c22abbb77344e574cc3776ceed1fa97c923e05d8219ffe6300577e2571e4cb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c22abbb77344e574cc3776ceed1fa97c923e05d8219ffe6300577e2571e4cb4", kill_on_drop: false }` [INFO] [stdout] 2c22abbb77344e574cc3776ceed1fa97c923e05d8219ffe6300577e2571e4cb4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8aa2a456b129d4c916639971bbc8a66aaa8e7408799c3c1cab8a234ac6a69b3a [INFO] running `Command { std: "docker" "start" "-a" "8aa2a456b129d4c916639971bbc8a66aaa8e7408799c3c1cab8a234ac6a69b3a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.51 [INFO] [stderr] Compiling unicode-ident v1.0.6 [INFO] [stderr] Compiling quote v1.0.23 [INFO] [stderr] Compiling futures-core v0.3.26 [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling syn v1.0.107 [INFO] [stderr] Compiling futures-task v0.3.26 [INFO] [stderr] Compiling futures-util v0.3.26 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling futures-channel v0.3.26 [INFO] [stderr] Compiling siphasher v0.3.10 [INFO] [stderr] Compiling futures-sink v0.3.26 [INFO] [stderr] Compiling futures-io v0.3.26 [INFO] [stderr] Compiling tokio v1.25.0 [INFO] [stderr] Compiling unchecked_unwrap v4.0.0 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling pollster v0.3.0 [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling phf_shared v0.11.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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] 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" "8aa2a456b129d4c916639971bbc8a66aaa8e7408799c3c1cab8a234ac6a69b3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8aa2a456b129d4c916639971bbc8a66aaa8e7408799c3c1cab8a234ac6a69b3a", kill_on_drop: false }` [INFO] [stdout] 8aa2a456b129d4c916639971bbc8a66aaa8e7408799c3c1cab8a234ac6a69b3a