[INFO] cloning repository https://github.com/Bulmenisaurus/rust-png [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bulmenisaurus/rust-png" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBulmenisaurus%2Frust-png", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBulmenisaurus%2Frust-png'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 05627b85de5bd856322a20ee5b0f4db703987ae5 [INFO] testing Bulmenisaurus/rust-png against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBulmenisaurus%2Frust-png" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Bulmenisaurus/rust-png [INFO] finished tweaking git repo https://github.com/Bulmenisaurus/rust-png [INFO] tweaked toml for git repo https://github.com/Bulmenisaurus/rust-png written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Bulmenisaurus/rust-png 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/Bulmenisaurus/rust-png 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crc v2.1.0 [INFO] [stderr] Downloaded crc-catalog v1.1.1 [INFO] [stderr] Downloaded deflate v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 19c45af633ed3954c8325a4d179f61c809f992cc1f2b2e9e0e0917e4478eac69 [INFO] running `Command { std: "docker" "start" "-a" "19c45af633ed3954c8325a4d179f61c809f992cc1f2b2e9e0e0917e4478eac69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "19c45af633ed3954c8325a4d179f61c809f992cc1f2b2e9e0e0917e4478eac69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19c45af633ed3954c8325a4d179f61c809f992cc1f2b2e9e0e0917e4478eac69", kill_on_drop: false }` [INFO] [stdout] 19c45af633ed3954c8325a4d179f61c809f992cc1f2b2e9e0e0917e4478eac69 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 00acbed0e0ddb16bf56218e3afcab9c9513eeae68c5dcd456bdf38307d664caf [INFO] running `Command { std: "docker" "start" "-a" "00acbed0e0ddb16bf56218e3afcab9c9513eeae68c5dcd456bdf38307d664caf", kill_on_drop: false }` [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling crc-catalog v1.1.1 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling crc v2.1.0 [INFO] [stderr] Compiling deflate v1.0.0 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling png v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.53s [INFO] running `Command { std: "docker" "inspect" "00acbed0e0ddb16bf56218e3afcab9c9513eeae68c5dcd456bdf38307d664caf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00acbed0e0ddb16bf56218e3afcab9c9513eeae68c5dcd456bdf38307d664caf", kill_on_drop: false }` [INFO] [stdout] 00acbed0e0ddb16bf56218e3afcab9c9513eeae68c5dcd456bdf38307d664caf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7d47be07e0cbaefb55eaa4a404cd2da2e289a9a217986981c1613234545f8727 [INFO] running `Command { std: "docker" "start" "-a" "7d47be07e0cbaefb55eaa4a404cd2da2e289a9a217986981c1613234545f8727", kill_on_drop: false }` [INFO] [stderr] Compiling png v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `whole_part` [INFO] [stdout] --> examples/continued_fraction.rs:35:14 [INFO] [stdout] | [INFO] [stdout] 35 | let (whole_part, new_numerator, new_denominator) = get_whole_part(n, d); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_whole_part` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `a` is never read [INFO] [stdout] --> examples/fractal2.rs:73:14 [INFO] [stdout] | [INFO] [stdout] 73 | let (mut a, mut b, mut c, mut d, mut e, mut f, mut g) = ( [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `b` is never read [INFO] [stdout] --> examples/fractal2.rs:73:21 [INFO] [stdout] | [INFO] [stdout] 73 | let (mut a, mut b, mut c, mut d, mut e, mut f, mut g) = ( [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `d` is never read [INFO] [stdout] --> examples/fractal2.rs:73:35 [INFO] [stdout] | [INFO] [stdout] 73 | let (mut a, mut b, mut c, mut d, mut e, mut f, mut g) = ( [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `multiply_by_real` is never used [INFO] [stdout] --> examples/fractal.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl Complex { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 15 | fn multiply_by_real(&self, by: f64) -> Complex { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `e` is never read [INFO] [stdout] --> examples/fractal2.rs:73:42 [INFO] [stdout] | [INFO] [stdout] 73 | let (mut a, mut b, mut c, mut d, mut e, mut f, mut g) = ( [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `f` is never read [INFO] [stdout] --> examples/fractal2.rs:73:49 [INFO] [stdout] | [INFO] [stdout] 73 | let (mut a, mut b, mut c, mut d, mut e, mut f, mut g) = ( [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> examples/fractal2.rs:73:56 [INFO] [stdout] | [INFO] [stdout] 73 | let (mut a, mut b, mut c, mut d, mut e, mut f, mut g) = ( [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `b` is never read [INFO] [stdout] --> examples/fractal2.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | b = a.square().add_to_complex(u); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `d` is never read [INFO] [stdout] --> examples/fractal2.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | d = f.square().add_to_complex(u); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `e` is never read [INFO] [stdout] --> examples/fractal2.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | e = d.square().add_to_complex(u); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/fractal2.rs:73:52 [INFO] [stdout] | [INFO] [stdout] 73 | let (mut a, mut b, mut c, mut d, mut e, mut f, mut g) = ( [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `multiply_by_real` and `add_to_real` are never used [INFO] [stdout] --> examples/fractal2.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl Complex { [INFO] [stdout] | ------------ methods in this implementation [INFO] [stdout] 15 | fn multiply_by_real(&self, by: f64) -> Complex { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn add_to_real(&self, to: f64) -> Complex { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `Command { std: "docker" "inspect" "7d47be07e0cbaefb55eaa4a404cd2da2e289a9a217986981c1613234545f8727", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d47be07e0cbaefb55eaa4a404cd2da2e289a9a217986981c1613234545f8727", kill_on_drop: false }` [INFO] [stdout] 7d47be07e0cbaefb55eaa4a404cd2da2e289a9a217986981c1613234545f8727 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 135742aff703c7700af93750ed090e2f91fcf955b2c3207c48f99248ad39d79f [INFO] running `Command { std: "docker" "start" "-a" "135742aff703c7700af93750ed090e2f91fcf955b2c3207c48f99248ad39d79f", kill_on_drop: false }` [INFO] [stderr] warning: value assigned to `a` is never read [INFO] [stderr] --> examples/fractal2.rs:73:14 [INFO] [stderr] | [INFO] [stderr] 73 | let (mut a, mut b, mut c, mut d, mut e, mut f, mut g) = ( [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `b` is never read [INFO] [stderr] --> examples/fractal2.rs:73:21 [INFO] [stderr] | [INFO] [stderr] 73 | let (mut a, mut b, mut c, mut d, mut e, mut f, mut g) = ( [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `d` is never read [INFO] [stderr] --> examples/fractal2.rs:73:35 [INFO] [stderr] | [INFO] [stderr] 73 | let (mut a, mut b, mut c, mut d, mut e, mut f, mut g) = ( [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `e` is never read [INFO] [stderr] --> examples/fractal2.rs:73:42 [INFO] [stderr] | [INFO] [stderr] 73 | let (mut a, mut b, mut c, mut d, mut e, mut f, mut g) = ( [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `f` is never read [INFO] [stderr] --> examples/fractal2.rs:73:49 [INFO] [stderr] | [INFO] [stderr] 73 | let (mut a, mut b, mut c, mut d, mut e, mut f, mut g) = ( [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `g` [INFO] [stderr] --> examples/fractal2.rs:73:56 [INFO] [stderr] | [INFO] [stderr] 73 | let (mut a, mut b, mut c, mut d, mut e, mut f, mut g) = ( [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `b` is never read [INFO] [stderr] --> examples/fractal2.rs:99:9 [INFO] [stderr] | [INFO] [stderr] 99 | b = a.square().add_to_complex(u); [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `d` is never read [INFO] [stderr] --> examples/fractal2.rs:104:9 [INFO] [stderr] | [INFO] [stderr] 104 | d = f.square().add_to_complex(u); [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `e` is never read [INFO] [stderr] --> examples/fractal2.rs:106:9 [INFO] [stderr] | [INFO] [stderr] 106 | e = d.square().add_to_complex(u); [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/fractal2.rs:73:52 [INFO] [stderr] | [INFO] [stderr] 73 | let (mut a, mut b, mut c, mut d, mut e, mut f, mut g) = ( [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: methods `multiply_by_real` and `add_to_real` are never used [INFO] [stderr] --> examples/fractal2.rs:15:8 [INFO] [stderr] | [INFO] [stderr] 14 | impl Complex { [INFO] [stderr] | ------------ methods in this implementation [INFO] [stderr] 15 | fn multiply_by_real(&self, by: f64) -> Complex { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 33 | fn add_to_real(&self, to: f64) -> Complex { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `whole_part` [INFO] [stderr] --> examples/continued_fraction.rs:35:14 [INFO] [stderr] | [INFO] [stderr] 35 | let (whole_part, new_numerator, new_denominator) = get_whole_part(n, d); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_whole_part` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method `multiply_by_real` is never used [INFO] [stderr] --> examples/fractal.rs:15:8 [INFO] [stderr] | [INFO] [stderr] 14 | impl Complex { [INFO] [stderr] | ------------ method in this implementation [INFO] [stderr] 15 | fn multiply_by_real(&self, by: f64) -> Complex { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `png` (example "fractal2") generated 11 warnings (run `cargo fix --example "fractal2"` to apply 1 suggestion) [INFO] [stderr] warning: `png` (example "continued_fraction") generated 1 warning [INFO] [stderr] warning: `png` (example "fractal") generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/png-7fa54ba9e704d2cd) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "135742aff703c7700af93750ed090e2f91fcf955b2c3207c48f99248ad39d79f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "135742aff703c7700af93750ed090e2f91fcf955b2c3207c48f99248ad39d79f", kill_on_drop: false }` [INFO] [stdout] 135742aff703c7700af93750ed090e2f91fcf955b2c3207c48f99248ad39d79f