[INFO] fetching crate png_pong 0.8.2... [INFO] testing png_pong-0.8.2 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate png_pong 0.8.2 into /workspace/builds/worker-38/source [INFO] validating manifest of crates.io crate png_pong 0.8.2 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate png_pong 0.8.2 [INFO] finished tweaking crates.io crate png_pong 0.8.2 [INFO] tweaked toml for crates.io crate png_pong 0.8.2 written to /workspace/builds/worker-38/source/Cargo.toml [INFO] crate crates.io crate png_pong 0.8.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 45f75ccbf90254a1a57edeed6aeb26eed1023bb6eb0ba145e87d100ed89a2575 [INFO] running `Command { std: "docker" "start" "-a" "45f75ccbf90254a1a57edeed6aeb26eed1023bb6eb0ba145e87d100ed89a2575", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "45f75ccbf90254a1a57edeed6aeb26eed1023bb6eb0ba145e87d100ed89a2575", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45f75ccbf90254a1a57edeed6aeb26eed1023bb6eb0ba145e87d100ed89a2575", kill_on_drop: false }` [INFO] [stdout] 45f75ccbf90254a1a57edeed6aeb26eed1023bb6eb0ba145e87d100ed89a2575 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c3d36fcf04f3f8949e18cd6db9980fed6f11061bb193839c5bb37be60cbbe42e [INFO] running `Command { std: "docker" "start" "-a" "c3d36fcf04f3f8949e18cd6db9980fed6f11061bb193839c5bb37be60cbbe42e", kill_on_drop: false }` [INFO] [stderr] Compiling pix v0.13.1 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling png_pong v0.8.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `text` [INFO] [stdout] --> src/decode/steps.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | text: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `langtag` [INFO] [stdout] --> src/decode/steps.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | langtag: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `transkey` [INFO] [stdout] --> src/decode/steps.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | transkey: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `has_decoded` [INFO] [stdout] --> src/decode/steps.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | has_decoded: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `is_animation` [INFO] [stdout] --> src/decode/steps.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | is_animation: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `idat_anim` [INFO] [stdout] --> src/decode/steps.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | idat_anim: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `coldepth` [INFO] [stdout] --> src/encode/step_enc.rs:119:5 [INFO] [stdout] | [INFO] [stdout] 119 | coldepth: Option<(ColorType, u32)>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `header` [INFO] [stdout] --> src/encode/step_enc.rs:120:5 [INFO] [stdout] | [INFO] [stdout] 120 | header: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [optimized + debuginfo] target(s) in 3.63s [INFO] running `Command { std: "docker" "inspect" "c3d36fcf04f3f8949e18cd6db9980fed6f11061bb193839c5bb37be60cbbe42e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3d36fcf04f3f8949e18cd6db9980fed6f11061bb193839c5bb37be60cbbe42e", kill_on_drop: false }` [INFO] [stdout] c3d36fcf04f3f8949e18cd6db9980fed6f11061bb193839c5bb37be60cbbe42e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2556455ebe287148585bf3ad8aecbc5fcbbdfc17f7021285a74cb316a893e2c6 [INFO] running `Command { std: "docker" "start" "-a" "2556455ebe287148585bf3ad8aecbc5fcbbdfc17f7021285a74cb316a893e2c6", kill_on_drop: false }` [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling plotters-backend v0.3.0 [INFO] [stderr] Compiling half v1.7.1 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stdout] warning: field is never read: `text` [INFO] [stdout] --> src/decode/steps.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | text: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `langtag` [INFO] [stdout] --> src/decode/steps.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | langtag: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `transkey` [INFO] [stdout] --> src/decode/steps.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | transkey: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `has_decoded` [INFO] [stdout] --> src/decode/steps.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | has_decoded: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `is_animation` [INFO] [stdout] --> src/decode/steps.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | is_animation: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `idat_anim` [INFO] [stdout] --> src/decode/steps.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | idat_anim: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `coldepth` [INFO] [stdout] --> src/encode/step_enc.rs:119:5 [INFO] [stdout] | [INFO] [stdout] 119 | coldepth: Option<(ColorType, u32)>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `header` [INFO] [stdout] --> src/encode/step_enc.rs:120:5 [INFO] [stdout] | [INFO] [stdout] 120 | header: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling itertools v0.10.0 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling plotters-svg v0.3.0 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling rustc_version v0.3.3 [INFO] [stderr] Compiling cast v0.2.6 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling crossbeam-epoch v0.9.4 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling plotters v0.3.0 [INFO] [stderr] Compiling criterion-plot v0.4.3 [INFO] [stderr] Compiling bstr v0.2.16 [INFO] [stderr] Compiling serde_cbor v0.11.1 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.3.4 [INFO] [stderr] Compiling png_pong v0.8.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `text` [INFO] [stdout] --> src/decode/steps.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | text: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `langtag` [INFO] [stdout] --> src/decode/steps.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | langtag: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `transkey` [INFO] [stdout] --> src/decode/steps.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | transkey: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `has_decoded` [INFO] [stdout] --> src/decode/steps.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | has_decoded: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `is_animation` [INFO] [stdout] --> src/decode/steps.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | is_animation: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `idat_anim` [INFO] [stdout] --> src/decode/steps.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | idat_anim: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `coldepth` [INFO] [stdout] --> src/encode/step_enc.rs:119:5 [INFO] [stdout] | [INFO] [stdout] 119 | coldepth: Option<(ColorType, u32)>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `header` [INFO] [stdout] --> src/encode/step_enc.rs:120:5 [INFO] [stdout] | [INFO] [stdout] 120 | header: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [optimized + debuginfo] target(s) in 34.75s [INFO] running `Command { std: "docker" "inspect" "2556455ebe287148585bf3ad8aecbc5fcbbdfc17f7021285a74cb316a893e2c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2556455ebe287148585bf3ad8aecbc5fcbbdfc17f7021285a74cb316a893e2c6", kill_on_drop: false }` [INFO] [stdout] 2556455ebe287148585bf3ad8aecbc5fcbbdfc17f7021285a74cb316a893e2c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1841f3d19a356dfc2529cae75ea53dc1e75f91bb9da3d0d003bf64f5b2110c33 [INFO] running `Command { std: "docker" "start" "-a" "1841f3d19a356dfc2529cae75ea53dc1e75f91bb9da3d0d003bf64f5b2110c33", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `text` [INFO] [stderr] --> src/decode/steps.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | text: String, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `langtag` [INFO] [stderr] --> src/decode/steps.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | langtag: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `transkey` [INFO] [stderr] --> src/decode/steps.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | transkey: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `has_decoded` [INFO] [stderr] --> src/decode/steps.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | has_decoded: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `is_animation` [INFO] [stderr] --> src/decode/steps.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | is_animation: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `idat_anim` [INFO] [stderr] --> src/decode/steps.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | idat_anim: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `coldepth` [INFO] [stderr] --> src/encode/step_enc.rs:119:5 [INFO] [stderr] | [INFO] [stderr] 119 | coldepth: Option<(ColorType, u32)>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `header` [INFO] [stderr] --> src/encode/step_enc.rs:120:5 [INFO] [stderr] | [INFO] [stderr] 120 | header: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `png_pong` (lib) generated 8 warnings [INFO] [stderr] warning: `png_pong` (lib test) generated 8 warnings (8 duplicates) [INFO] [stderr] Finished test [optimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/png_pong-7fc178542dea79ba) [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] [stderr] Doc-tests png_pong [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 21) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 21) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'Failed to save image: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/lib.rs:12:41 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c171c7c16c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55c171c7c16c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55c171c7c16c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55c171c7c16c - ::fmt::hf439e5ed84c74abd [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55c171c9641c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x55c171c79bc5 - std::io::Write::write_fmt::h5562a8b6da0f0339 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x55c171c7d770 - std::sys_common::backtrace::_print::hb29ddd998d02631c [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55c171c7d770 - std::sys_common::backtrace::print::h81965e3d7c90fbb6 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55c171c7d770 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x55c171c7d31b - std::panicking::default_hook::h1bf8bb4159936bca [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:228:9 [INFO] [stdout] 10: 0x55c171c7de24 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x55c171c7d900 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x55c171c7c624 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x55c171c7d869 - rust_begin_unwind [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x55c171c32221 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14 [INFO] [stdout] 15: 0x55c171c322b3 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x55c171c3c22e - core::result::Result::expect::h8b316a88d4c81eec [INFO] [stdout] 17: 0x55c171c542cf - rust_out::main::_doctest_main_src_lib_rs_21_0::h7aa3d5c91cec9d72 [INFO] [stdout] 18: 0x55c171c53f86 - rust_out::main::h61823b600df25383 [INFO] [stdout] 19: 0x55c171c365e3 - core::ops::function::FnOnce::call_once::h827fb1f4029b40e6 [INFO] [stdout] 20: 0x55c171c34609 - std::sys_common::backtrace::__rust_begin_short_backtrace::haf8e35482869953f [INFO] [stdout] 21: 0x55c171c34d69 - std::rt::lang_start::{{closure}}::h5e534791856c5311 [INFO] [stdout] 22: 0x55c171c7b9b1 - core::ops::function::impls:: for &F>::call_once::h42d3791e66d196c0 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 23: 0x55c171c7b9b1 - std::panicking::try::do_call::hc3bcb188e535517f [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stdout] 24: 0x55c171c7b9b1 - std::panicking::try::hb1edf04d4a7097ab [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stdout] 25: 0x55c171c7b9b1 - std::panic::catch_unwind::h75ed941ac0d36d57 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stdout] 26: 0x55c171c7b9b1 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:48 [INFO] [stdout] 27: 0x55c171c7b9b1 - std::panicking::try::do_call::h53276a03c7fe2ebc [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stdout] 28: 0x55c171c7b9b1 - std::panicking::try::ha9e37f45dc542517 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stdout] 29: 0x55c171c7b9b1 - std::panic::catch_unwind::h182647595766fee7 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stdout] 30: 0x55c171c7b9b1 - std::rt::lang_start_internal::h571831ebdba142de [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:20 [INFO] [stdout] 31: 0x55c171c34d51 - std::rt::lang_start::h606ea79aaa4848ba [INFO] [stdout] 32: 0x55c171c54513 - main [INFO] [stdout] 33: 0x7fce3cbdf0b3 - __libc_start_main [INFO] [stdout] 34: 0x55c171c3293e - _start [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 21) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.83s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "1841f3d19a356dfc2529cae75ea53dc1e75f91bb9da3d0d003bf64f5b2110c33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1841f3d19a356dfc2529cae75ea53dc1e75f91bb9da3d0d003bf64f5b2110c33", kill_on_drop: false }` [INFO] [stdout] 1841f3d19a356dfc2529cae75ea53dc1e75f91bb9da3d0d003bf64f5b2110c33