[INFO] cloning repository https://github.com/KonstantinPakulev/Rust_hw_2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KonstantinPakulev/Rust_hw_2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKonstantinPakulev%2FRust_hw_2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKonstantinPakulev%2FRust_hw_2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c465b2ddc4ba167e5e543a41e02fd478828966a
[INFO] checking KonstantinPakulev/Rust_hw_2 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKonstantinPakulev%2FRust_hw_2" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KonstantinPakulev/Rust_hw_2 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KonstantinPakulev/Rust_hw_2
[INFO] finished tweaking git repo https://github.com/KonstantinPakulev/Rust_hw_2
[INFO] tweaked toml for git repo https://github.com/KonstantinPakulev/Rust_hw_2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/KonstantinPakulev/Rust_hw_2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded csv-core v0.1.5
[INFO] [stderr]   Downloaded proc-macro2 v0.4.26
[INFO] [stderr]   Downloaded memchr v2.1.3
[INFO] [stderr]   Downloaded serde_derive v1.0.85
[INFO] [stderr]   Downloaded serde v1.0.85
[INFO] [stderr]   Downloaded csv v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b5a4daf160d34b5fe9895a000a387261fdb1c09656624647452c9b3abe0ab19
[INFO] running `Command { std: "docker" "start" "-a" "7b5a4daf160d34b5fe9895a000a387261fdb1c09656624647452c9b3abe0ab19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b5a4daf160d34b5fe9895a000a387261fdb1c09656624647452c9b3abe0ab19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b5a4daf160d34b5fe9895a000a387261fdb1c09656624647452c9b3abe0ab19", kill_on_drop: false }`
[INFO] [stdout] 7b5a4daf160d34b5fe9895a000a387261fdb1c09656624647452c9b3abe0ab19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 614462f311ebf52812bc202516b8d70425c1aeb27cd7bf1be24ef5e5b892538a
[INFO] running `Command { std: "docker" "start" "-a" "614462f311ebf52812bc202516b8d70425c1aeb27cd7bf1be24ef5e5b892538a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking rust_hw_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:42:40
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn read(params: Opt) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn read(params: Opt) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:59:157
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...: &u64, pop_none: &bool, pop_not_none: &bool) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn write_std_out(reader: &mut csv::Reader<std::fs::File>, population_lt: &u64, population_gt: &u64, pop_none: &bool, pop_not_none: &bool) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:83:169
[INFO] [stdout]    |
[INFO] [stdout] 83 | ...: &u64, pop_none: &bool, pop_not_none: &bool) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn write_file(reader: &mut csv::Reader<std::fs::File>, path: &String, population_lt: &u64, population_gt: &u64, pop_none: &bool, pop_not_none: &bool) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:42:40
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn read(params: Opt) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn read(params: Opt) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:59:157
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...: &u64, pop_none: &bool, pop_not_none: &bool) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn write_std_out(reader: &mut csv::Reader<std::fs::File>, population_lt: &u64, population_gt: &u64, pop_none: &bool, pop_not_none: &bool) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:83:169
[INFO] [stdout]    |
[INFO] [stdout] 83 | ...: &u64, pop_none: &bool, pop_not_none: &bool) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn write_file(reader: &mut csv::Reader<std::fs::File>, path: &String, population_lt: &u64, population_gt: &u64, pop_none: &bool, pop_not_none: &bool) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `population_not_none` is never read
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Opt {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 22 |     #[structopt(name = "population-not-none", long)]
[INFO] [stdout] 23 |     population_not_none: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `population_not_none` is never read
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Opt {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 22 |     #[structopt(name = "population-not-none", long)]
[INFO] [stdout] 23 |     population_not_none: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `Command { std: "docker" "inspect" "614462f311ebf52812bc202516b8d70425c1aeb27cd7bf1be24ef5e5b892538a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "614462f311ebf52812bc202516b8d70425c1aeb27cd7bf1be24ef5e5b892538a", kill_on_drop: false }`
[INFO] [stdout] 614462f311ebf52812bc202516b8d70425c1aeb27cd7bf1be24ef5e5b892538a
