[INFO] updating cached repository https://github.com/yzimhao/uopen [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] 0e894400a770b1ae821857b5e23629feb62e470d [INFO] checking yzimhao/uopen against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyzimhao%2Fuopen" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yzimhao/uopen on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/yzimhao/uopen [INFO] removed path dependency config from git repo https://github.com/yzimhao/uopen [INFO] finished tweaking git repo https://github.com/yzimhao/uopen [INFO] tweaked toml for git repo https://github.com/yzimhao/uopen written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/yzimhao/uopen already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] warning: dependency (config) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] warning: dependency (config) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 99e79677bea1fdf8f2e80b8ca4eeecade8a201cab3547227ba780151795646d2 [INFO] running `"docker" "start" "-a" "99e79677bea1fdf8f2e80b8ca4eeecade8a201cab3547227ba780151795646d2"` [INFO] [stderr] warning: dependency (config) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Checking serde_test v0.8.23 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking nom v4.2.3 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking simple_logger v0.4.0 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Checking serde-hjson v0.8.2 [INFO] [stderr] Checking config v0.9.3 [INFO] [stderr] Checking uopen v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `Path` [INFO] [stderr] --> src/lib.rs:8:17 [INFO] [stderr] | [INFO] [stderr] 8 | use std::path::{Path, PathBuf}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead. [INFO] [stderr] --> src/lib.rs:25:21 [INFO] [stderr] | [INFO] [stderr] 25 | homeconfig.push(env::home_dir().unwrap()); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:72:13 [INFO] [stderr] | [INFO] [stderr] 71 | exit(1); [INFO] [stderr] | ------- any code following this expression is unreachable [INFO] [stderr] 72 | return child.wait() [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `last_err` is never read [INFO] [stderr] --> src/lib.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | let mut last_err: io::Result = Err(io::Error::from_raw_os_error(0)); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `child` [INFO] [stderr] --> src/lib.rs:70:16 [INFO] [stderr] | [INFO] [stderr] 70 | Ok(mut child) => { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_child` [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/lib.rs:70:12 [INFO] [stderr] | [INFO] [stderr] 70 | Ok(mut child) => { [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | that(opt); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | filemanager(abspath); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused import: `Path` [INFO] [stderr] --> src/lib.rs:8:17 [INFO] [stderr] | [INFO] [stderr] 8 | use std::path::{Path, PathBuf}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead. [INFO] [stderr] --> src/lib.rs:25:21 [INFO] [stderr] | [INFO] [stderr] 25 | homeconfig.push(env::home_dir().unwrap()); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:72:13 [INFO] [stderr] | [INFO] [stderr] 71 | exit(1); [INFO] [stderr] | ------- any code following this expression is unreachable [INFO] [stderr] 72 | return child.wait() [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `last_err` is never read [INFO] [stderr] --> src/lib.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | let mut last_err: io::Result = Err(io::Error::from_raw_os_error(0)); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `child` [INFO] [stderr] --> src/lib.rs:70:16 [INFO] [stderr] | [INFO] [stderr] 70 | Ok(mut child) => { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_child` [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/lib.rs:70:12 [INFO] [stderr] | [INFO] [stderr] 70 | Ok(mut child) => { [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | that(opt); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | filemanager(abspath); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.10s [INFO] running `"docker" "inspect" "99e79677bea1fdf8f2e80b8ca4eeecade8a201cab3547227ba780151795646d2"` [INFO] running `"docker" "rm" "-f" "99e79677bea1fdf8f2e80b8ca4eeecade8a201cab3547227ba780151795646d2"` [INFO] [stdout] 99e79677bea1fdf8f2e80b8ca4eeecade8a201cab3547227ba780151795646d2