[INFO] updating cached repository https://github.com/dalance/ptags [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 91811843c02acc9698030f9eb814692268b65f3d [INFO] checking dalance/ptags against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fptags" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dalance/ptags on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7 [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/dalance/ptags [INFO] finished tweaking git repo https://github.com/dalance/ptags [INFO] tweaked toml for git repo https://github.com/dalance/ptags written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/dalance/ptags already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 80bdb4509f6b5b29712619b33c427bf90f29666ce869a523618ee441b03d1df7 [INFO] running `"docker" "start" "-a" "80bdb4509f6b5b29712619b33c427bf90f29666ce869a523618ee441b03d1df7"` [INFO] [stderr] Compiling cc v1.0.6 [INFO] [stderr] Compiling rustc-demangle v0.1.7 [INFO] [stderr] Compiling remove_dir_all v0.5.1 [INFO] [stderr] Checking bencher v0.1.5 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking dirs v1.0.4 [INFO] [stderr] Compiling serde v1.0.84 [INFO] [stderr] Compiling pulldown-cmark v0.2.0 [INFO] [stderr] Checking clap v2.31.1 [INFO] [stderr] Compiling syn v0.15.24 [INFO] [stderr] Checking toml v0.4.6 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Checking nix v0.10.0 [INFO] [stderr] Compiling syn v0.12.14 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Compiling structopt-derive v0.2.5 [INFO] [stderr] Compiling structopt-toml-derive v0.4.0 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Checking structopt v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.84 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling serde_json v1.0.34 [INFO] [stderr] Compiling backtrace v0.3.5 [INFO] [stderr] Compiling error-chain v0.12.0 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Compiling cargo_metadata v0.6.4 [INFO] [stderr] Compiling skeptic v0.13.4 [INFO] [stderr] Compiling structopt-toml v0.4.0 [INFO] [stderr] Checking ptags v0.3.3-pre (/opt/rustwide/workdir) [INFO] [stderr] warning: unreachable call [INFO] [stderr] --> src/bin.rs:21:41 [INFO] [stderr] | [INFO] [stderr] 21 | #[derive(Debug, Deserialize, Serialize, StructOpt, StructOptToml)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | unreachable call [INFO] [stderr] | any code following this expression is unreachable [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable call [INFO] [stderr] --> src/bin.rs:21:41 [INFO] [stderr] | [INFO] [stderr] 21 | #[derive(Debug, Deserialize, Serialize, StructOpt, StructOptToml)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | unreachable call [INFO] [stderr] | any code following this expression is unreachable [INFO] [stderr] [INFO] [stderr] warning: unreachable call [INFO] [stderr] --> src/bin.rs:21:41 [INFO] [stderr] | [INFO] [stderr] 21 | #[derive(Debug, Deserialize, Serialize, StructOpt, StructOptToml)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | unreachable call [INFO] [stderr] | any code following this expression is unreachable [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable call [INFO] [stderr] --> src/bin.rs:21:41 [INFO] [stderr] | [INFO] [stderr] 21 | #[derive(Debug, Deserialize, Serialize, StructOpt, StructOptToml)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | unreachable call [INFO] [stderr] | any code following this expression is unreachable [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 37s [INFO] running `"docker" "inspect" "80bdb4509f6b5b29712619b33c427bf90f29666ce869a523618ee441b03d1df7"` [INFO] running `"docker" "rm" "-f" "80bdb4509f6b5b29712619b33c427bf90f29666ce869a523618ee441b03d1df7"` [INFO] [stdout] 80bdb4509f6b5b29712619b33c427bf90f29666ce869a523618ee441b03d1df7