[INFO] cloning repository https://github.com/Universemul/polygon-kml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Universemul/polygon-kml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUniversemul%2Fpolygon-kml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUniversemul%2Fpolygon-kml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fcc2f95a1a8ec6aa07af3e2b6fa150a30bba5951
[INFO] checking Universemul/polygon-kml against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUniversemul%2Fpolygon-kml" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Universemul/polygon-kml
[INFO] finished tweaking git repo https://github.com/Universemul/polygon-kml
[INFO] tweaked toml for git repo https://github.com/Universemul/polygon-kml written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Universemul/polygon-kml on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Universemul/polygon-kml 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 363f022411e6e0034be60e4336982b2ef244cf6401edb56bf1961ed4c289c6d1
[INFO] running `Command { std: "docker" "start" "-a" "363f022411e6e0034be60e4336982b2ef244cf6401edb56bf1961ed4c289c6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "363f022411e6e0034be60e4336982b2ef244cf6401edb56bf1961ed4c289c6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363f022411e6e0034be60e4336982b2ef244cf6401edb56bf1961ed4c289c6d1", kill_on_drop: false }`
[INFO] [stdout] 363f022411e6e0034be60e4336982b2ef244cf6401edb56bf1961ed4c289c6d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6b3af257163e2189e006059794cb64346c5d0ccfbecc4c53aa1fcbbf22cb89e
[INFO] running `Command { std: "docker" "start" "-a" "f6b3af257163e2189e006059794cb64346c5d0ccfbecc4c53aa1fcbbf22cb89e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking polygon-kml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `city` is never read
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Row {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 20 |     city: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Row` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `delimiter`, `inner_delimiter`, and `has_headers` are never read
[INFO] [stdout]  --> src/reader.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct CsvReader {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 6 |     pub delimiter: u8,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 7 |     pub inner_delimiter: u8,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     pub has_headers: bool,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `output` is never read
[INFO] [stdout]  --> src/context.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Context {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub output: String
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Polygon` is never constructed
[INFO] [stdout]  --> src/models.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Polygon {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/context.rs:34:26
[INFO] [stdout]    |
[INFO] [stdout] 34 |         Err(e) => panic!(e)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 34 |         Err(e) => panic!("{}", e)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 34 -         Err(e) => panic!(e)
[INFO] [stdout] 34 +         Err(e) => std::panic::panic_any(e)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/context.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let output = matches.opt_get_default("o", "output.kml".to_string()).unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polygon-kml` (bin "polygon-kml") due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `city` is never read
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Row {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 20 |     city: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Row` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `delimiter`, `inner_delimiter`, and `has_headers` are never read
[INFO] [stdout]  --> src/reader.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct CsvReader {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 6 |     pub delimiter: u8,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 7 |     pub inner_delimiter: u8,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     pub has_headers: bool,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `output` is never read
[INFO] [stdout]  --> src/context.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Context {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub output: String
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Polygon` is never constructed
[INFO] [stdout]  --> src/models.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Polygon {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/context.rs:34:26
[INFO] [stdout]    |
[INFO] [stdout] 34 |         Err(e) => panic!(e)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 34 |         Err(e) => panic!("{}", e)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 34 -         Err(e) => panic!(e)
[INFO] [stdout] 34 +         Err(e) => std::panic::panic_any(e)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/context.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let output = matches.opt_get_default("o", "output.kml".to_string()).unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polygon-kml` (bin "polygon-kml" test) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f6b3af257163e2189e006059794cb64346c5d0ccfbecc4c53aa1fcbbf22cb89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b3af257163e2189e006059794cb64346c5d0ccfbecc4c53aa1fcbbf22cb89e", kill_on_drop: false }`
[INFO] [stdout] f6b3af257163e2189e006059794cb64346c5d0ccfbecc4c53aa1fcbbf22cb89e