[INFO] cloning repository https://github.com/amedviediev/data-generator [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amedviediev/data-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famedviediev%2Fdata-generator"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famedviediev%2Fdata-generator'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 75dd53093a8d64d155087ad17244912d4074131b [INFO] checking amedviediev/data-generator against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famedviediev%2Fdata-generator" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/amedviediev/data-generator on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/amedviediev/data-generator [INFO] finished tweaking git repo https://github.com/amedviediev/data-generator [INFO] tweaked toml for git repo https://github.com/amedviediev/data-generator written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/amedviediev/data-generator already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 2e80737705b303bcbe2f0582a3edbab8a296a91bdc59f22dee13aa90b2768fb4 [INFO] running `"docker" "start" "-a" "2e80737705b303bcbe2f0582a3edbab8a296a91bdc59f22dee13aa90b2768fb4"` [INFO] [stderr] Checking serde v1.0.47 [INFO] [stderr] Checking Inflector v0.11.3 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking clicolors-control v0.2.0 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Compiling syn v0.13.7 [INFO] [stderr] Checking names v0.10.0 [INFO] [stderr] Checking parking_lot v0.5.5 [INFO] [stderr] Checking console v0.6.1 [INFO] [stderr] Checking indicatif v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.50 [INFO] [stderr] Checking chrono v0.4.2 [INFO] [stderr] Checking serde_json v1.0.17 [INFO] [stderr] Checking data-generator v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/generator.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | let mut string = serde_json::to_string_pretty(&entry_map).unwrap(); [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/generator.rs:61:17 [INFO] [stderr] | [INFO] [stderr] 61 | let mut string = serde_json::to_string(&entry_map).unwrap(); [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/generator.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | let mut string = serde_json::to_string_pretty(&entry_map).unwrap(); [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/generator.rs:61:17 [INFO] [stderr] | [INFO] [stderr] 61 | let mut string = serde_json::to_string(&entry_map).unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/generator.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | write!(file, "["); [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] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/generator.rs:59:13 [INFO] [stderr] | [INFO] [stderr] 59 | file.write(string.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/generator.rs:62:13 [INFO] [stderr] | [INFO] [stderr] 62 | file.write(string.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/generator.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | write!(file, ","); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/generator.rs:72:5 [INFO] [stderr] | [INFO] [stderr] 72 | write!(file, "]"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/generator.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | write!(file, "["); [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] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/generator.rs:59:13 [INFO] [stderr] | [INFO] [stderr] 59 | file.write(string.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/generator.rs:62:13 [INFO] [stderr] | [INFO] [stderr] 62 | file.write(string.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/generator.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | write!(file, ","); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/generator.rs:72:5 [INFO] [stderr] | [INFO] [stderr] 72 | write!(file, "]"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:23:28 [INFO] [stderr] | [INFO] [stderr] 23 | fn run() -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:23:28 [INFO] [stderr] | [INFO] [stderr] 23 | fn run() -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.07s [INFO] running `"docker" "inspect" "2e80737705b303bcbe2f0582a3edbab8a296a91bdc59f22dee13aa90b2768fb4"` [INFO] running `"docker" "rm" "-f" "2e80737705b303bcbe2f0582a3edbab8a296a91bdc59f22dee13aa90b2768fb4"` [INFO] [stdout] 2e80737705b303bcbe2f0582a3edbab8a296a91bdc59f22dee13aa90b2768fb4