[INFO] cloning repository https://github.com/JonathanUsername/undulations [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JonathanUsername/undulations" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanUsername%2Fundulations", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanUsername%2Fundulations'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2d8cc50d12653def391d3d9159145ae912cb455f [INFO] checking JonathanUsername/undulations against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanUsername%2Fundulations" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JonathanUsername/undulations on toolchain 506512391b1a75ae450d36c9420978402a91abcc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JonathanUsername/undulations [INFO] finished tweaking git repo https://github.com/JonathanUsername/undulations [INFO] tweaked toml for git repo https://github.com/JonathanUsername/undulations written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/JonathanUsername/undulations 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn-mid v0.5.3 [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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 33f4cace11663d1ee8113077bd2840acc03ec329fee05671f14501e3ceeee98c [INFO] running `Command { std: "docker" "start" "-a" "33f4cace11663d1ee8113077bd2840acc03ec329fee05671f14501e3ceeee98c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33f4cace11663d1ee8113077bd2840acc03ec329fee05671f14501e3ceeee98c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33f4cace11663d1ee8113077bd2840acc03ec329fee05671f14501e3ceeee98c", kill_on_drop: false }` [INFO] [stdout] 33f4cace11663d1ee8113077bd2840acc03ec329fee05671f14501e3ceeee98c [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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 250bf73b8708baf920ec2959b68f33f754ab50509bc9bdfc0cebcca54e8508a3 [INFO] running `Command { std: "docker" "start" "-a" "250bf73b8708baf920ec2959b68f33f754ab50509bc9bdfc0cebcca54e8508a3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.56 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling quote v1.0.27 [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling neon-build v0.10.1 [INFO] [stderr] Compiling io-lifetimes v1.0.10 [INFO] [stderr] Compiling rustix v0.37.19 [INFO] [stderr] Checking memchr v2.5.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling serde v1.0.163 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking linux-raw-sys v0.3.7 [INFO] [stderr] Compiling neon v0.10.1 [INFO] [stderr] Checking libloading v0.6.7 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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 regex-syntax v0.7.1 [INFO] [stderr] Checking aho-corasick v1.0.1 [INFO] [stderr] Compiling serde_json v1.0.96 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Compiling anyhow v1.0.71 [INFO] [stdout] error: aborting due to 1 previous error [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 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "250bf73b8708baf920ec2959b68f33f754ab50509bc9bdfc0cebcca54e8508a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "250bf73b8708baf920ec2959b68f33f754ab50509bc9bdfc0cebcca54e8508a3", kill_on_drop: false }` [INFO] [stdout] 250bf73b8708baf920ec2959b68f33f754ab50509bc9bdfc0cebcca54e8508a3 [INFO] checking JonathanUsername/undulations against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanUsername%2Fundulations" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JonathanUsername/undulations on toolchain dae34b759e282c069aa28752564694effd121a63 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JonathanUsername/undulations [INFO] finished tweaking git repo https://github.com/JonathanUsername/undulations [INFO] tweaked toml for git repo https://github.com/JonathanUsername/undulations written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/JonathanUsername/undulations 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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2c316c643e9dced927358aac88982074f536894c2c23a9556354de0d2b592af8 [INFO] running `Command { std: "docker" "start" "-a" "2c316c643e9dced927358aac88982074f536894c2c23a9556354de0d2b592af8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c316c643e9dced927358aac88982074f536894c2c23a9556354de0d2b592af8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c316c643e9dced927358aac88982074f536894c2c23a9556354de0d2b592af8", kill_on_drop: false }` [INFO] [stdout] 2c316c643e9dced927358aac88982074f536894c2c23a9556354de0d2b592af8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca8f3897b460d21e17e00a41e8b9aa2fcec27eb855db5692d650c9479a0b1a7a [INFO] running `Command { std: "docker" "start" "-a" "ca8f3897b460d21e17e00a41e8b9aa2fcec27eb855db5692d650c9479a0b1a7a", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "ca8f3897b460d21e17e00a41e8b9aa2fcec27eb855db5692d650c9479a0b1a7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca8f3897b460d21e17e00a41e8b9aa2fcec27eb855db5692d650c9479a0b1a7a", kill_on_drop: false }` [INFO] [stdout] ca8f3897b460d21e17e00a41e8b9aa2fcec27eb855db5692d650c9479a0b1a7a