[INFO] cloning repository https://github.com/arizuk/rust-competitive-programming-snippets [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arizuk/rust-competitive-programming-snippets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farizuk%2Frust-competitive-programming-snippets", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farizuk%2Frust-competitive-programming-snippets'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 59158338780fa14d4a5cf50a7a1782cdbd30ae49 [INFO] testing arizuk/rust-competitive-programming-snippets against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farizuk%2Frust-competitive-programming-snippets" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/arizuk/rust-competitive-programming-snippets on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/arizuk/rust-competitive-programming-snippets [INFO] finished tweaking git repo https://github.com/arizuk/rust-competitive-programming-snippets [INFO] tweaked toml for git repo https://github.com/arizuk/rust-competitive-programming-snippets written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/arizuk/rust-competitive-programming-snippets already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 65326e856f401bd78131a7a4354b77b086f162b45d5e60cbce36e0871ed6f04b [INFO] running `Command { std: "docker" "start" "-a" "65326e856f401bd78131a7a4354b77b086f162b45d5e60cbce36e0871ed6f04b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65326e856f401bd78131a7a4354b77b086f162b45d5e60cbce36e0871ed6f04b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65326e856f401bd78131a7a4354b77b086f162b45d5e60cbce36e0871ed6f04b", kill_on_drop: false }` [INFO] [stdout] 65326e856f401bd78131a7a4354b77b086f162b45d5e60cbce36e0871ed6f04b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f671e3440e6d3cd87f9f662599aa3cf47fe5a4e0c8c42b5452a3155cc8d2b3e4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f671e3440e6d3cd87f9f662599aa3cf47fe5a4e0c8c42b5452a3155cc8d2b3e4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling ppv-lite86 v0.2.5 [INFO] [stderr] Compiling cargo-snippet v0.3.0 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-snippet-0.3.0/src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(plugin_registrar, rustc_private)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: a __rustc_plugin_registrar symbol must now be defined instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rustc_plugin` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-snippet-0.3.0/src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate rustc_plugin; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] | [INFO] [stdout] = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cargo-snippet` due to 3 previous errors [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] Some errors have detailed explanations: E0463, E0557. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "f671e3440e6d3cd87f9f662599aa3cf47fe5a4e0c8c42b5452a3155cc8d2b3e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f671e3440e6d3cd87f9f662599aa3cf47fe5a4e0c8c42b5452a3155cc8d2b3e4", kill_on_drop: false }` [INFO] [stdout] f671e3440e6d3cd87f9f662599aa3cf47fe5a4e0c8c42b5452a3155cc8d2b3e4