[INFO] cloning repository https://github.com/kamchy/comprehensive-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kamchy/comprehensive-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamchy%2Fcomprehensive-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamchy%2Fcomprehensive-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 487ead05430f60e52d2906cc477ca2c91e4429ca
[INFO] testing kamchy/comprehensive-rust against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamchy%2Fcomprehensive-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kamchy/comprehensive-rust
[INFO] finished tweaking git repo https://github.com/kamchy/comprehensive-rust
[INFO] tweaked toml for git repo https://github.com/kamchy/comprehensive-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kamchy/comprehensive-rust on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kamchy/comprehensive-rust 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9c6961dea9cfcb0bab9d729eb9265834b6e01f0f8ca24809b4fb27f996c157c
[INFO] running `Command { std: "docker" "start" "-a" "d9c6961dea9cfcb0bab9d729eb9265834b6e01f0f8ca24809b4fb27f996c157c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9c6961dea9cfcb0bab9d729eb9265834b6e01f0f8ca24809b4fb27f996c157c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9c6961dea9cfcb0bab9d729eb9265834b6e01f0f8ca24809b4fb27f996c157c", kill_on_drop: false }`
[INFO] [stdout] d9c6961dea9cfcb0bab9d729eb9265834b6e01f0f8ca24809b4fb27f996c157c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 609aba225cc1e47972bac0df2f2c8d8d2a05dd933b4db65e67294a3da10e0191
[INFO] running `Command { std: "docker" "start" "-a" "609aba225cc1e47972bac0df2f2c8d8d2a05dd933b4db65e67294a3da10e0191", kill_on_drop: false }`
[INFO] [stderr]    Compiling comprehensive-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `new`, `magnitude`, and `dist` are never used
[INFO] [stdout]   --> src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Point {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 11 |     fn new(x: i32, y: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn magnitude(self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn dist(&self, other: Point) -> f64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `points` is never read
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Polygon {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 35 |     points: Vec<Point>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_point`, `perimeter`, `left_most_point`, and `iter` are never used
[INFO] [stdout]   --> src/main.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl Polygon {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 39 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn add_point(&mut self, p: Point) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn perimeter(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn left_most_point(&self) -> Option<Point> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn iter(&self) -> Iter<Point> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pos` and `radius` are never read
[INFO] [stdout]   --> src/main.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct Circle {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 66 |     pos: Point,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 67 |     radius: i32, // add fields
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `perimeter` are never used
[INFO] [stdout]   --> src/main.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl Circle {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 71 |     fn new(p: Point, r: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     fn perimeter(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `perimeter` is never used
[INFO] [stdout]   --> src/main.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | impl Shape {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 98 |     fn perimeter(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/main.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn iter(&self) -> Iter<Point> {
[INFO] [stdout]    |             ^^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn iter(&self) -> Iter<'_, Point> {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "609aba225cc1e47972bac0df2f2c8d8d2a05dd933b4db65e67294a3da10e0191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "609aba225cc1e47972bac0df2f2c8d8d2a05dd933b4db65e67294a3da10e0191", kill_on_drop: false }`
[INFO] [stdout] 609aba225cc1e47972bac0df2f2c8d8d2a05dd933b4db65e67294a3da10e0191
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 1798495e8d60da2b563e8b5710d99f1ec200d5fad973297ddf81d04966ed9967
[INFO] running `Command { std: "docker" "start" "-a" "1798495e8d60da2b563e8b5710d99f1ec200d5fad973297ddf81d04966ed9967", kill_on_drop: false }`
[INFO] [stderr]    Compiling comprehensive-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]   --> src/main.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct Circle {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 66 |     pos: Point,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/main.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn iter(&self) -> Iter<Point> {
[INFO] [stdout]    |             ^^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn iter(&self) -> Iter<'_, Point> {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "1798495e8d60da2b563e8b5710d99f1ec200d5fad973297ddf81d04966ed9967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1798495e8d60da2b563e8b5710d99f1ec200d5fad973297ddf81d04966ed9967", kill_on_drop: false }`
[INFO] [stdout] 1798495e8d60da2b563e8b5710d99f1ec200d5fad973297ddf81d04966ed9967
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 74744fda188217814e27e41035d379909a1d702a1305fe081b9a9e7fba7a230e
[INFO] running `Command { std: "docker" "start" "-a" "74744fda188217814e27e41035d379909a1d702a1305fe081b9a9e7fba7a230e", kill_on_drop: false }`
[INFO] [stderr] warning: field `pos` is never read
[INFO] [stderr]   --> src/main.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub struct Circle {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] 66 |     pos: Point,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/main.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn iter(&self) -> Iter<Point> {
[INFO] [stderr]    |             ^^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |             |
[INFO] [stderr]    |             this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn iter(&self) -> Iter<'_, Point> {
[INFO] [stderr]    |                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: `comprehensive-rust` (bin "comprehensive-rust" test) generated 2 warnings (run `cargo fix --bin "comprehensive-rust" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/comprehensive_rust-cd61353fc513e0be)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_point_dist ... ok
[INFO] [stdout] test tests::test_point_magnitude ... ok
[INFO] [stdout] test tests::test_polygon_iter ... ok
[INFO] [stdout] test tests::test_polygon_left_most_point ... ok
[INFO] [stdout] test tests::test_shape_perimeters ... ok
[INFO] [stdout] test tests::test_point_add ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "74744fda188217814e27e41035d379909a1d702a1305fe081b9a9e7fba7a230e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74744fda188217814e27e41035d379909a1d702a1305fe081b9a9e7fba7a230e", kill_on_drop: false }`
[INFO] [stdout] 74744fda188217814e27e41035d379909a1d702a1305fe081b9a9e7fba7a230e