[INFO] cloning repository https://github.com/obutora/rust_100knocks [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/obutora/rust_100knocks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobutora%2Frust_100knocks", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobutora%2Frust_100knocks'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1f093036c61fb1a6f4695375333053b9e9a8397a [INFO] checking obutora/rust_100knocks/1f093036c61fb1a6f4695375333053b9e9a8397a against master#cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3 for pr-135841 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobutora%2Frust_100knocks" "/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/obutora/rust_100knocks on toolchain cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/obutora/rust_100knocks [INFO] finished tweaking git repo https://github.com/obutora/rust_100knocks [INFO] tweaked toml for git repo https://github.com/obutora/rust_100knocks written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/obutora/rust_100knocks 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" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded polars v0.25.1 [INFO] [stderr] Downloaded polars-utils v0.25.1 [INFO] [stderr] Downloaded dyn-clone v1.0.9 [INFO] [stderr] Downloaded polars-pipe v0.25.1 [INFO] [stderr] Downloaded polars-arrow v0.25.1 [INFO] [stderr] Downloaded polars-ops v0.25.1 [INFO] [stderr] Downloaded polars-io v0.25.1 [INFO] [stderr] Downloaded ahash v0.8.2 [INFO] [stderr] Downloaded polars-lazy v0.25.1 [INFO] [stderr] Downloaded comfy-table v6.1.3 [INFO] [stderr] Downloaded polars-plan v0.25.1 [INFO] [stderr] Downloaded polars-time v0.25.1 [INFO] [stderr] Downloaded polars-core v0.25.1 [INFO] [stderr] Downloaded arrow2 v0.14.2 [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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef8176e04883cae8bc9733e1b52f21874ea43ba92c0d2098450d49a3a03c06e2 [INFO] running `Command { std: "docker" "start" "-a" "ef8176e04883cae8bc9733e1b52f21874ea43ba92c0d2098450d49a3a03c06e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef8176e04883cae8bc9733e1b52f21874ea43ba92c0d2098450d49a3a03c06e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef8176e04883cae8bc9733e1b52f21874ea43ba92c0d2098450d49a3a03c06e2", kill_on_drop: false }` [INFO] [stdout] ef8176e04883cae8bc9733e1b52f21874ea43ba92c0d2098450d49a3a03c06e2 [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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e371cafaee2e31cd75f4c7b18e76ec9c292b49fae84f73caff325f4780ace606 [INFO] running `Command { std: "docker" "start" "-a" "e371cafaee2e31cd75f4c7b18e76ec9c292b49fae84f73caff325f4780ace606", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.138 [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling libm v0.2.6 [INFO] [stderr] Compiling syn v1.0.105 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling crossbeam-utils v0.8.14 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.13 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling rayon-core v1.10.1 [INFO] [stderr] Compiling ahash v0.7.6 [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Checking once_cell v1.16.0 [INFO] [stderr] Checking lexical-util v0.8.5 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling parking_lot_core v0.9.5 [INFO] [stderr] Compiling signal-hook v0.3.14 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling rustversion v1.0.9 [INFO] [stderr] Compiling serde v1.0.149 [INFO] [stderr] Compiling thiserror v1.0.37 [INFO] [stderr] Checking iana-time-zone v0.1.53 [INFO] [stderr] Compiling smartstring v1.0.1 [INFO] [stderr] Checking lexical-parse-integer v0.8.6 [INFO] [stderr] Checking lexical-write-integer 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-macro2-1.0.47/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 ahash v0.8.2 [INFO] [stderr] Compiling indexmap v1.9.2 [INFO] [stderr] Checking dyn-clone v1.0.9 [INFO] [stderr] Checking hash_hasher v2.0.3 [INFO] [stderr] Compiling anyhow v1.0.66 [INFO] [stderr] Checking ethnum v1.3.2 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking foreign_vec v0.1.0 [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" "e371cafaee2e31cd75f4c7b18e76ec9c292b49fae84f73caff325f4780ace606", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e371cafaee2e31cd75f4c7b18e76ec9c292b49fae84f73caff325f4780ace606", kill_on_drop: false }` [INFO] [stdout] e371cafaee2e31cd75f4c7b18e76ec9c292b49fae84f73caff325f4780ace606