[INFO] cloning repository https://github.com/julianbieber/csv_split [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/julianbieber/csv_split" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulianbieber%2Fcsv_split", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulianbieber%2Fcsv_split'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b158c2eadde953d96c72378fe61d020c5b172ef5 [INFO] checking julianbieber/csv_split against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulianbieber%2Fcsv_split" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/julianbieber/csv_split on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/julianbieber/csv_split [INFO] finished tweaking git repo https://github.com/julianbieber/csv_split [INFO] tweaked toml for git repo https://github.com/julianbieber/csv_split written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/julianbieber/csv_split already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 36f8d413c31efc2384ef602dfc561216546181be9db11f0e8779ec063f17df56 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "36f8d413c31efc2384ef602dfc561216546181be9db11f0e8779ec063f17df56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "36f8d413c31efc2384ef602dfc561216546181be9db11f0e8779ec063f17df56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36f8d413c31efc2384ef602dfc561216546181be9db11f0e8779ec063f17df56", kill_on_drop: false }` [INFO] [stdout] 36f8d413c31efc2384ef602dfc561216546181be9db11f0e8779ec063f17df56 [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4b412a8dda9f8f2475ad2d10b6c621dde8d84793a6f1ece46dc396d5b8b166df [INFO] running `Command { std: "docker" "start" "-a" "4b412a8dda9f8f2475ad2d10b6c621dde8d84793a6f1ece46dc396d5b8b166df", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling serde v1.0.97 [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking byteorder v1.3.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking bstr v0.2.4 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking csv_split v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `csv::Reader` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use csv::Reader; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HashMap`, `HashSet` [INFO] [stdout] --> src/main.rs:9:24 [INFO] [stdout] | [INFO] [stdout] 9 | use std::collections::{HashSet, HashMap}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::net::Shutdown::Write` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::net::Shutdown::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `csv::Reader` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use csv::Reader; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HashMap`, `HashSet` [INFO] [stdout] --> src/main.rs:9:24 [INFO] [stdout] | [INFO] [stdout] 9 | use std::collections::{HashSet, HashMap}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::net::Shutdown::Write` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::net::Shutdown::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:25:83 [INFO] [stdout] | [INFO] [stdout] 25 | let id_index: usize = reader.headers().expect("").iter().enumerate().filter(|(i, header)| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arguments` [INFO] [stdout] --> src/main.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | let arguments: Vec = env::args().collect(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arguments` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:25:83 [INFO] [stdout] | [INFO] [stdout] 25 | let id_index: usize = reader.headers().expect("").iter().enumerate().filter(|(i, header)| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arguments` [INFO] [stdout] --> src/main.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | let arguments: Vec = env::args().collect(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arguments` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | writer.write_record(row.iter()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | writer.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:43:13 [INFO] [stdout] | [INFO] [stdout] 43 | writer.write_record(header.iter()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:44:13 [INFO] [stdout] | [INFO] [stdout] 44 | writer.write_record(row.iter()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | writer.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | writer.write_record(row.iter()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | writer.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:43:13 [INFO] [stdout] | [INFO] [stdout] 43 | writer.write_record(header.iter()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:44:13 [INFO] [stdout] | [INFO] [stdout] 44 | writer.write_record(row.iter()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | writer.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 23.60s [INFO] running `Command { std: "docker" "inspect" "4b412a8dda9f8f2475ad2d10b6c621dde8d84793a6f1ece46dc396d5b8b166df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b412a8dda9f8f2475ad2d10b6c621dde8d84793a6f1ece46dc396d5b8b166df", kill_on_drop: false }` [INFO] [stdout] 4b412a8dda9f8f2475ad2d10b6c621dde8d84793a6f1ece46dc396d5b8b166df