[INFO] cloning repository https://github.com/r2mishra/greenback-r2mishra [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/r2mishra/greenback-r2mishra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr2mishra%2Fgreenback-r2mishra", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr2mishra%2Fgreenback-r2mishra'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c4efa992be2a760cc63504d31f385bce4d0f3a26 [INFO] checking r2mishra/greenback-r2mishra against try#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr2mishra%2Fgreenback-r2mishra" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/r2mishra/greenback-r2mishra [INFO] finished tweaking git repo https://github.com/r2mishra/greenback-r2mishra [INFO] tweaked toml for git repo https://github.com/r2mishra/greenback-r2mishra written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/r2mishra/greenback-r2mishra on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/r2mishra/greenback-r2mishra 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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "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 sexp v1.1.4 [INFO] [stderr] Downloaded structopt-derive v0.4.18 [INFO] [stderr] Downloaded quote v1.0.27 [INFO] [stderr] Downloaded unicode-ident v1.0.8 [INFO] [stderr] Downloaded structopt v0.3.26 [INFO] [stderr] Downloaded prettydiff v0.6.4 [INFO] [stderr] Downloaded regex v1.8.1 [INFO] [stderr] Downloaded term v0.7.0 [INFO] [stderr] Downloaded pad v0.1.6 [INFO] [stderr] Downloaded rand_xoshiro v0.6.0 [INFO] [stderr] Downloaded typenum v1.16.0 [INFO] [stderr] Downloaded encode_unicode v1.0.0 [INFO] [stderr] Downloaded cc v1.0.79 [INFO] [stderr] Downloaded unicode-segmentation v1.10.1 [INFO] [stderr] Downloaded getrandom v0.2.9 [INFO] [stderr] Downloaded libc v0.2.144 [INFO] [stderr] Downloaded proc-macro2 v1.0.57 [INFO] [stderr] Downloaded syn v2.0.16 [INFO] [stderr] Downloaded windows_x86_64_gnullvm v0.48.0 [INFO] [stderr] Downloaded io-lifetimes v1.0.10 [INFO] [stderr] Downloaded thiserror v1.0.40 [INFO] [stderr] Downloaded linux-raw-sys v0.3.7 [INFO] [stderr] Downloaded bitmaps v2.1.0 [INFO] [stderr] Downloaded sized-chunks v0.6.5 [INFO] [stderr] Downloaded serde v1.0.163 [INFO] [stderr] Downloaded hermit-abi v0.3.1 [INFO] [stderr] Downloaded im v15.1.0 [INFO] [stderr] Downloaded windows-targets v0.48.0 [INFO] [stderr] Downloaded is-terminal v0.4.7 [INFO] [stderr] Downloaded thiserror-impl v1.0.40 [INFO] [stderr] Downloaded rustversion v1.0.12 [INFO] [stderr] Downloaded prettytable-rs v0.10.0 [INFO] [stderr] Downloaded errno v0.3.1 [INFO] [stderr] Downloaded aho-corasick v1.0.1 [INFO] [stderr] Downloaded regex-syntax v0.7.1 [INFO] [stderr] Downloaded windows_aarch64_gnullvm v0.48.0 [INFO] [stderr] Downloaded rustix v0.37.19 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.48.0 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.48.0 [INFO] [stderr] Downloaded windows_i686_gnu v0.48.0 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.48.0 [INFO] [stderr] Downloaded windows_i686_msvc v0.48.0 [INFO] [stderr] Downloaded csv v1.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c665b530302b8138f7590b9a310c7049f1047bf5fc4bbb7f48c55dc97d0055ef [INFO] running `Command { std: "docker" "start" "-a" "c665b530302b8138f7590b9a310c7049f1047bf5fc4bbb7f48c55dc97d0055ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c665b530302b8138f7590b9a310c7049f1047bf5fc4bbb7f48c55dc97d0055ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c665b530302b8138f7590b9a310c7049f1047bf5fc4bbb7f48c55dc97d0055ef", kill_on_drop: false }` [INFO] [stdout] c665b530302b8138f7590b9a310c7049f1047bf5fc4bbb7f48c55dc97d0055ef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8064f397233083795d03ef6f9418c34ac7cac847e3e64e3cd3ef0aef00f28a3 [INFO] running `Command { std: "docker" "start" "-a" "e8064f397233083795d03ef6f9418c34ac7cac847e3e64e3cd3ef0aef00f28a3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling proc-macro2 v1.0.57 [INFO] [stderr] Compiling quote v1.0.27 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling io-lifetimes v1.0.10 [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling rustix v0.37.19 [INFO] [stderr] Compiling serde v1.0.163 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.57/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 cfg-if v1.0.0 [INFO] [stderr] Compiling unicode-segmentation v1.10.1 [INFO] [stderr] Checking linux-raw-sys v0.3.7 [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" "e8064f397233083795d03ef6f9418c34ac7cac847e3e64e3cd3ef0aef00f28a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8064f397233083795d03ef6f9418c34ac7cac847e3e64e3cd3ef0aef00f28a3", kill_on_drop: false }` [INFO] [stdout] e8064f397233083795d03ef6f9418c34ac7cac847e3e64e3cd3ef0aef00f28a3