[INFO] fetching crate preftool-clap-derive 0.2.0... [INFO] checking preftool-clap-derive-0.2.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920 [INFO] extracting crate preftool-clap-derive 0.2.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate preftool-clap-derive 0.2.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate preftool-clap-derive 0.2.0 [INFO] finished tweaking crates.io crate preftool-clap-derive 0.2.0 [INFO] tweaked toml for crates.io crate preftool-clap-derive 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded preftool-clap v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] 3a335b34c1e0a06b65d65319569ca5724919f1faf64b9af389e7977cd5ab6dca [INFO] running `Command { std: "docker" "start" "-a" "3a335b34c1e0a06b65d65319569ca5724919f1faf64b9af389e7977cd5ab6dca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a335b34c1e0a06b65d65319569ca5724919f1faf64b9af389e7977cd5ab6dca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a335b34c1e0a06b65d65319569ca5724919f1faf64b9af389e7977cd5ab6dca", kill_on_drop: false }` [INFO] [stdout] 3a335b34c1e0a06b65d65319569ca5724919f1faf64b9af389e7977cd5ab6dca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff6ed8dfe746927e3949a87deadaa601f3b3b0603edab93d6d155f8cf6525aec [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" "ff6ed8dfe746927e3949a87deadaa601f3b3b0603edab93d6d155f8cf6525aec", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking arc-swap v1.2.0 [INFO] [stderr] Checking rustc-demangle v0.1.19 [INFO] [stderr] Checking object v0.23.0 [INFO] [stderr] Checking crossbeam v0.2.12 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking slog-scope v4.4.0 [INFO] [stderr] Checking slog-stdlog v3.0.5 [INFO] [stderr] Checking quote v0.6.13 [INFO] [stderr] Compiling backtrace v0.3.58 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Checking addr2line v0.14.1 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Checking preftool-clap-derive v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling caseless v0.2.1 [INFO] [stderr] Checking preftool v0.2.0 [INFO] [stderr] Checking preftool-clap v0.2.0 [INFO] [stdout] warning: field is never read: `binding` [INFO] [stdout] --> tests/enum.rs:29:3 [INFO] [stdout] | [INFO] [stdout] 29 | binding: Binding, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `host` [INFO] [stdout] --> tests/simple.rs:8:3 [INFO] [stdout] | [INFO] [stdout] 8 | host: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `port` [INFO] [stdout] --> tests/simple.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 11 | port: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cert` [INFO] [stdout] --> tests/simple.rs:14:3 [INFO] [stdout] | [INFO] [stdout] 14 | cert: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `host` [INFO] [stdout] --> tests/nested.rs:8:3 [INFO] [stdout] | [INFO] [stdout] 8 | host: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `port` [INFO] [stdout] --> tests/nested.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 11 | port: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cert` [INFO] [stdout] --> tests/nested.rs:14:3 [INFO] [stdout] | [INFO] [stdout] 14 | cert: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `server` [INFO] [stdout] --> tests/nested.rs:19:3 [INFO] [stdout] | [INFO] [stdout] 19 | server: Server, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 02s [INFO] running `Command { std: "docker" "inspect" "ff6ed8dfe746927e3949a87deadaa601f3b3b0603edab93d6d155f8cf6525aec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff6ed8dfe746927e3949a87deadaa601f3b3b0603edab93d6d155f8cf6525aec", kill_on_drop: false }` [INFO] [stdout] ff6ed8dfe746927e3949a87deadaa601f3b3b0603edab93d6d155f8cf6525aec