[INFO] updating cached repository https://github.com/cfsamson/tools-filetransfer-server [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] 83196a336b017db370612d6790b5ae4a1bccd895 [INFO] checking cfsamson/tools-filetransfer-server against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Ftools-filetransfer-server" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cfsamson/tools-filetransfer-server 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/cfsamson/tools-filetransfer-server [INFO] finished tweaking git repo https://github.com/cfsamson/tools-filetransfer-server [INFO] tweaked toml for git repo https://github.com/cfsamson/tools-filetransfer-server written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/cfsamson/tools-filetransfer-server already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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-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" "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] [stdout] 9de513c23be199195a441e8663b3f963e7d2bb75e57dd658a42f0a4a3a0f81d8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "9de513c23be199195a441e8663b3f963e7d2bb75e57dd658a42f0a4a3a0f81d8"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling cc v1.0.32 [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Checking rustc-demangle v0.1.13 [INFO] [stderr] Compiling backtrace v0.3.14 [INFO] [stderr] Compiling bincode v1.1.2 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking file_server v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `reconnect_flag` [INFO] [stderr] --> src/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let mut reconnect_flag = false; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reconnect_flag` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `folder` [INFO] [stderr] --> src/main.rs:190:13 [INFO] [stderr] | [INFO] [stderr] 190 | let folder: Folder = bincode::deserialize(&data).unwrap(); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_folder` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `reconnect_flag` [INFO] [stderr] --> src/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let mut reconnect_flag = false; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reconnect_flag` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let mut reconnect_flag = false; [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let mut reconnect_flag = false; [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:95:9 [INFO] [stderr] | [INFO] [stderr] 95 | let mut relative = relative_path.unwrap_or(PathBuf::new()); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:95:9 [INFO] [stderr] | [INFO] [stderr] 95 | let mut relative = relative_path.unwrap_or(PathBuf::new()); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `display` [INFO] [stderr] --> src/main.rs:53:4 [INFO] [stderr] | [INFO] [stderr] 53 | fn display(folder: Folder) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:189:13 [INFO] [stderr] | [INFO] [stderr] 189 | let mut data = serialize_folder(folders).unwrap(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `display` [INFO] [stderr] --> src/main.rs:53:4 [INFO] [stderr] | [INFO] [stderr] 53 | fn display(folder: Folder) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.02s [INFO] running `"docker" "inspect" "9de513c23be199195a441e8663b3f963e7d2bb75e57dd658a42f0a4a3a0f81d8"` [INFO] running `"docker" "rm" "-f" "9de513c23be199195a441e8663b3f963e7d2bb75e57dd658a42f0a4a3a0f81d8"` [INFO] [stdout] 9de513c23be199195a441e8663b3f963e7d2bb75e57dd658a42f0a4a3a0f81d8