[INFO] fetching crate fosslim 0.0.2... [INFO] testing fosslim-0.0.2 against 1.60.0 for beta-1.61-1 [INFO] extracting crate fosslim 0.0.2 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate fosslim 0.0.2 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fosslim 0.0.2 [INFO] finished tweaking crates.io crate fosslim 0.0.2 [INFO] tweaked toml for crates.io crate fosslim 0.0.2 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c5a550fb524d5fc8cd2613258125ea80ab22641a589549b1c2933641961ac75a [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" "c5a550fb524d5fc8cd2613258125ea80ab22641a589549b1c2933641961ac75a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c5a550fb524d5fc8cd2613258125ea80ab22641a589549b1c2933641961ac75a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5a550fb524d5fc8cd2613258125ea80ab22641a589549b1c2933641961ac75a", kill_on_drop: false }` [INFO] [stdout] c5a550fb524d5fc8cd2613258125ea80ab22641a589549b1c2933641961ac75a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f6268d6332aace8b16b3a690ed366dd11c199aea8ca614dc0d85b1cbb95e51a4 [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" "f6268d6332aace8b16b3a690ed366dd11c199aea8ca614dc0d85b1cbb95e51a4", kill_on_drop: false }` [INFO] [stderr] Compiling seahash v3.0.7 [INFO] [stderr] Compiling rmp v0.8.10 [INFO] [stderr] Compiling rmp-serde v0.13.7 [INFO] [stderr] Compiling fosslim v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::iter::FromIterator` [INFO] [stdout] --> src/score.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `TermIndex` [INFO] [stdout] --> src/index.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | type TermIndex = Vec>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(pattern)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Result::::is_ok` that must be used [INFO] [stdout] --> src/index.rs:187:5 [INFO] [stdout] | [INFO] [stdout] 187 | idx.index().is_ok(); // re-index the content [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `fosslim` due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "f6268d6332aace8b16b3a690ed366dd11c199aea8ca614dc0d85b1cbb95e51a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6268d6332aace8b16b3a690ed366dd11c199aea8ca614dc0d85b1cbb95e51a4", kill_on_drop: false }` [INFO] [stdout] f6268d6332aace8b16b3a690ed366dd11c199aea8ca614dc0d85b1cbb95e51a4