[INFO] cloning repository https://github.com/cbiffle/rtiow-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cbiffle/rtiow-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Frtiow-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Frtiow-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2687dfbf1fead48b8709378aa67fb8331fa637ca [INFO] checking cbiffle/rtiow-rust against try#1383df06117fd218068d1f39fd5326256dd4a348 for pr-145181 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Frtiow-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/cbiffle/rtiow-rust [INFO] finished tweaking git repo https://github.com/cbiffle/rtiow-rust [INFO] tweaked toml for git repo https://github.com/cbiffle/rtiow-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/cbiffle/rtiow-rust on toolchain 1383df06117fd218068d1f39fd5326256dd4a348 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/cbiffle/rtiow-rust 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" "+1383df06117fd218068d1f39fd5326256dd4a348" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_xoshiro v0.1.0 [INFO] [stderr] Downloaded criterion-plot v0.3.1 [INFO] [stderr] Downloaded criterion v0.2.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 00cbf8d793329bb47f61c6a296a13f079ec64d55ffbafdbef6faa8a4a9b592e5 [INFO] running `Command { std: "docker" "start" "-a" "00cbf8d793329bb47f61c6a296a13f079ec64d55ffbafdbef6faa8a4a9b592e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "00cbf8d793329bb47f61c6a296a13f079ec64d55ffbafdbef6faa8a4a9b592e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00cbf8d793329bb47f61c6a296a13f079ec64d55ffbafdbef6faa8a4a9b592e5", kill_on_drop: false }` [INFO] [stdout] 00cbf8d793329bb47f61c6a296a13f079ec64d55ffbafdbef6faa8a4a9b592e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f89454c48d0572a153933fa30b3af42ede963058f0a4a9f73070e9a63b30e7ab [INFO] running `Command { std: "docker" "start" "-a" "f89454c48d0572a153933fa30b3af42ede963058f0a4a9f73070e9a63b30e7ab", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling libc v0.2.138 [INFO] [stderr] Compiling crossbeam-utils v0.8.14 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling semver v1.0.14 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling serde v1.0.148 [INFO] [stderr] Compiling rayon-core v1.10.1 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Compiling serde_json v1.0.89 [INFO] [stderr] Compiling syn v1.0.105 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking itoa v1.0.4 [INFO] [stderr] Compiling serde_derive v1.0.148 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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] Checking clap v2.34.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.13 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stderr] Checking csv-core v0.1.10 [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" "f89454c48d0572a153933fa30b3af42ede963058f0a4a9f73070e9a63b30e7ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f89454c48d0572a153933fa30b3af42ede963058f0a4a9f73070e9a63b30e7ab", kill_on_drop: false }` [INFO] [stdout] f89454c48d0572a153933fa30b3af42ede963058f0a4a9f73070e9a63b30e7ab