[INFO] cloning repository https://github.com/nicrgren/rsplacer [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nicrgren/rsplacer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicrgren%2Frsplacer"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicrgren%2Frsplacer'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b05baf5cdba6d29175523f5fe43951aa7c812a93 [INFO] checking nicrgren/rsplacer against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicrgren%2Frsplacer" "/workspace/builds/worker-10/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nicrgren/rsplacer on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/nicrgren/rsplacer [INFO] finished tweaking git repo https://github.com/nicrgren/rsplacer [INFO] tweaked toml for git repo https://github.com/nicrgren/rsplacer written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/nicrgren/rsplacer already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 5d7bc50c6ae60c47a05a25f89939d268258c8d53cae13ef25c380cc6b3585fea [INFO] running `"docker" "start" "-a" "5d7bc50c6ae60c47a05a25f89939d268258c8d53cae13ef25c380cc6b3585fea"` [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking ansi_term v0.10.2 [INFO] [stderr] Checking atty v0.2.3 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking clap v2.28.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking regex v0.2.3 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Compiling structopt-derive v0.1.6 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Checking structopt v0.1.6 [INFO] [stderr] Checking backtrace v0.3.4 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stderr] Checking rsplacer v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variant is never constructed: `ToFile` [INFO] [stderr] --> src/output.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | ToFile(fs::File), [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_file` [INFO] [stderr] --> src/output.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | / pub fn to_file>(file_path: T) [INFO] [stderr] 19 | | -> Result { [INFO] [stderr] 20 | | let file = fs::File::open(file_path.as_ref())?; [INFO] [stderr] 21 | | [INFO] [stderr] 22 | | Ok(Output::ToFile(file)) [INFO] [stderr] 23 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:3:12 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(slice_patterns)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_replacer_from_arg_str` [INFO] [stderr] --> src/replacer.rs:212:8 [INFO] [stderr] | [INFO] [stderr] 212 | fn test_replacer_from_arg_str() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ToFile` [INFO] [stderr] --> src/output.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | ToFile(fs::File), [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_file` [INFO] [stderr] --> src/output.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | / pub fn to_file>(file_path: T) [INFO] [stderr] 19 | | -> Result { [INFO] [stderr] 20 | | let file = fs::File::open(file_path.as_ref())?; [INFO] [stderr] 21 | | [INFO] [stderr] 22 | | Ok(Output::ToFile(file)) [INFO] [stderr] 23 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:3:12 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(slice_patterns)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 30.17s [INFO] running `"docker" "inspect" "5d7bc50c6ae60c47a05a25f89939d268258c8d53cae13ef25c380cc6b3585fea"` [INFO] running `"docker" "rm" "-f" "5d7bc50c6ae60c47a05a25f89939d268258c8d53cae13ef25c380cc6b3585fea"` [INFO] [stdout] 5d7bc50c6ae60c47a05a25f89939d268258c8d53cae13ef25c380cc6b3585fea