[INFO] fetching crate pebble 0.8.5... [INFO] testing pebble-0.8.5 against 1.55.0 for beta-1.56-1 [INFO] extracting crate pebble 0.8.5 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate pebble 0.8.5 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pebble 0.8.5 [INFO] finished tweaking crates.io crate pebble 0.8.5 [INFO] tweaked toml for crates.io crate pebble 0.8.5 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ansi_term v0.9.0 [INFO] [stderr] Downloaded lzf v0.3.1 [INFO] [stderr] Downloaded recipe-reader v0.9.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 37cd5ff3f510a2440749418771a5a5f3a122c9c4d79940c137b16925e4c974ac [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" "37cd5ff3f510a2440749418771a5a5f3a122c9c4d79940c137b16925e4c974ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37cd5ff3f510a2440749418771a5a5f3a122c9c4d79940c137b16925e4c974ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37cd5ff3f510a2440749418771a5a5f3a122c9c4d79940c137b16925e4c974ac", kill_on_drop: false }` [INFO] [stdout] 37cd5ff3f510a2440749418771a5a5f3a122c9c4d79940c137b16925e4c974ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 77e2de279ec5b97904b8ab20dec9d46721cdb9bcd157eb8f864dc9d347f8f3da [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" "77e2de279ec5b97904b8ab20dec9d46721cdb9bcd157eb8f864dc9d347f8f3da", kill_on_drop: false }` [INFO] [stderr] Compiling recipe-reader v0.9.11 [INFO] [stderr] Compiling pebble v0.8.5 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(vec_remove_item)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec` in the current scope [INFO] [stdout] --> src/commands.rs:475:13 [INFO] [stdout] | [INFO] [stdout] 475 | t.files.remove_item(&file); [INFO] [stdout] | ^^^^^^^^^^^ method not found in `Vec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec` in the current scope [INFO] [stdout] --> src/commands.rs:557:12 [INFO] [stdout] | [INFO] [stdout] 557 | t.files.remove_item(&filename.to_string()); [INFO] [stdout] | ^^^^^^^^^^^ method not found in `Vec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec` in the current scope [INFO] [stdout] --> src/commands.rs:558:12 [INFO] [stdout] | [INFO] [stdout] 558 | t.files.remove_item(&("src/".to_string() + filename)); [INFO] [stdout] | ^^^^^^^^^^^ method not found in `Vec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `pebble` due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "77e2de279ec5b97904b8ab20dec9d46721cdb9bcd157eb8f864dc9d347f8f3da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77e2de279ec5b97904b8ab20dec9d46721cdb9bcd157eb8f864dc9d347f8f3da", kill_on_drop: false }` [INFO] [stdout] 77e2de279ec5b97904b8ab20dec9d46721cdb9bcd157eb8f864dc9d347f8f3da