[INFO] cloning repository https://github.com/rschifflin/rust-entity-component-system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rschifflin/rust-entity-component-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frschifflin%2Frust-entity-component-system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frschifflin%2Frust-entity-component-system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eada444ac4e21562a2d089103d332c795b8dd630
[INFO] checking rschifflin/rust-entity-component-system against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frschifflin%2Frust-entity-component-system" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rschifflin/rust-entity-component-system on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rschifflin/rust-entity-component-system
[INFO] finished tweaking git repo https://github.com/rschifflin/rust-entity-component-system
[INFO] tweaked toml for git repo https://github.com/rschifflin/rust-entity-component-system written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/rschifflin/rust-entity-component-system already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de0c57c20b0a0eebe39eec06135184854299e66fff769313f8694319e368b52e
[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" "de0c57c20b0a0eebe39eec06135184854299e66fff769313f8694319e368b52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de0c57c20b0a0eebe39eec06135184854299e66fff769313f8694319e368b52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de0c57c20b0a0eebe39eec06135184854299e66fff769313f8694319e368b52e", kill_on_drop: false }`
[INFO] [stdout] de0c57c20b0a0eebe39eec06135184854299e66fff769313f8694319e368b52e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c9d43f4a55c9fb06b0d3343ed1327c6b70fd179e4bcb32c0171675c5bdf2ee7
[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" "2c9d43f4a55c9fb06b0d3343ed1327c6b70fd179e4bcb32c0171675c5bdf2ee7", 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]     Checking pubsub v0.0.1 (https://github.com/rschifflin/rust-pubsub#b07e4f39)
[INFO] [stderr]     Checking component_store v0.0.1 (https://github.com/rschifflin/rust-component-store#9143bc9a)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/rust-component-store-0dadeaac4e9691aa/9143bc9/src/lib.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(plugin_registrar, quote, rustc_private, unicode)]
[INFO] [stdout]   |                              ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/rust-component-store-0dadeaac4e9691aa/9143bc9/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate syntax;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[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: could not compile `component_store`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0369]: cannot add `&[Event<Channel, Payload>]` to `Vec<Event<Channel, Payload>>`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/rust-pubsub-0df79b7577947c17/b07e4f3/src/lib.rs:49:33
[INFO] [stdout]    |
[INFO] [stdout] 49 |         self.event_queue = head + &*tail;
[INFO] [stdout]    |                            ---- ^ ------ &[Event<Channel, Payload>]
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            Vec<Event<Channel, Payload>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0369`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2c9d43f4a55c9fb06b0d3343ed1327c6b70fd179e4bcb32c0171675c5bdf2ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c9d43f4a55c9fb06b0d3343ed1327c6b70fd179e4bcb32c0171675c5bdf2ee7", kill_on_drop: false }`
[INFO] [stdout] 2c9d43f4a55c9fb06b0d3343ed1327c6b70fd179e4bcb32c0171675c5bdf2ee7