[INFO] crate rargs 0.2.2 is already in cache [INFO] checking rargs-0.2.2 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] extracting crate rargs 0.2.2 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate rargs 0.2.2 on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate rargs 0.2.2 [INFO] finished tweaking crates.io crate rargs 0.2.2 [INFO] tweaked toml for crates.io crate rargs 0.2.2 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 14c1604e6b1f58fa01c9f5a6f3f72c1865ee8dae53ffd528fb6b45f7779f4e7b [INFO] running `"docker" "start" "-a" "14c1604e6b1f58fa01c9f5a6f3f72c1865ee8dae53ffd528fb6b45f7779f4e7b"` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking environment v0.1.1 [INFO] [stderr] Checking difference v1.0.0 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking serde_json v1.0.52 [INFO] [stderr] Compiling pulldown-cmark v0.2.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking backtrace-sys v0.1.37 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Checking backtrace v0.3.46 [INFO] [stderr] Checking threadpool v1.8.0 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking rargs v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use]extern crate structopt; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Compiling cargo_metadata v0.6.4 [INFO] [stderr] Compiling skeptic v0.13.4 [INFO] [stderr] Compiling assert_cli v0.5.4 [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use]extern crate structopt; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_err` that must be used [INFO] [stderr] --> tests/lib.rs:55:5 [INFO] [stderr] | [INFO] [stderr] 55 | / assert_cli::Assert::command(&[RARGS, "echo", "{}"]) [INFO] [stderr] 56 | | .stdin("a\0b") [INFO] [stderr] 57 | | .stdout() [INFO] [stderr] 58 | | .is("a\0b") [INFO] [stderr] 59 | | .execute() [INFO] [stderr] 60 | | .is_err(); [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you intended to assert that this is err, consider `.unwrap_err()` instead [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 13s [INFO] running `"docker" "inspect" "14c1604e6b1f58fa01c9f5a6f3f72c1865ee8dae53ffd528fb6b45f7779f4e7b"` [INFO] running `"docker" "rm" "-f" "14c1604e6b1f58fa01c9f5a6f3f72c1865ee8dae53ffd528fb6b45f7779f4e7b"` [INFO] [stdout] 14c1604e6b1f58fa01c9f5a6f3f72c1865ee8dae53ffd528fb6b45f7779f4e7b