[INFO] fetching crate trans-derive 0.3.0-alpha.2... [INFO] checking trans-derive-0.3.0-alpha.2 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015 [INFO] extracting crate trans-derive 0.3.0-alpha.2 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate trans-derive 0.3.0-alpha.2 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate trans-derive 0.3.0-alpha.2 [INFO] finished tweaking crates.io crate trans-derive 0.3.0-alpha.2 [INFO] tweaked toml for crates.io crate trans-derive 0.3.0-alpha.2 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a3f842c9dcd108ea56ed895cc6fa0c7e6e8c558fcfa1c14f5d845624ed9d3bbb [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" "a3f842c9dcd108ea56ed895cc6fa0c7e6e8c558fcfa1c14f5d845624ed9d3bbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a3f842c9dcd108ea56ed895cc6fa0c7e6e8c558fcfa1c14f5d845624ed9d3bbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3f842c9dcd108ea56ed895cc6fa0c7e6e8c558fcfa1c14f5d845624ed9d3bbb", kill_on_drop: false }` [INFO] [stdout] a3f842c9dcd108ea56ed895cc6fa0c7e6e8c558fcfa1c14f5d845624ed9d3bbb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 96e4d88d7077de898d1f272e1ddd5b2e8557d9b6d2937642f4696fd5e30a4e74 [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" "96e4d88d7077de898d1f272e1ddd5b2e8557d9b6d2937642f4696fd5e30a4e74", kill_on_drop: false }` [INFO] [stderr] Checking proc-macro2 v1.0.24 [INFO] [stderr] Checking quote v1.0.7 [INFO] [stderr] Checking syn v1.0.42 [INFO] [stderr] Checking trans-derive v0.3.0-alpha.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:206:21 [INFO] [stdout] | [INFO] [stdout] 206 | let mut generics = ast.generics.clone(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:206:21 [INFO] [stdout] | [INFO] [stdout] 206 | let mut generics = ast.generics.clone(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.89s [INFO] running `Command { std: "docker" "inspect" "96e4d88d7077de898d1f272e1ddd5b2e8557d9b6d2937642f4696fd5e30a4e74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96e4d88d7077de898d1f272e1ddd5b2e8557d9b6d2937642f4696fd5e30a4e74", kill_on_drop: false }` [INFO] [stdout] 96e4d88d7077de898d1f272e1ddd5b2e8557d9b6d2937642f4696fd5e30a4e74