[INFO] fetching crate png_pong 0.8.2... [INFO] testing png_pong-0.8.2 against 1.59.0 for beta-1.60-1 [INFO] extracting crate png_pong 0.8.2 into /workspace/builds/worker-108/source [INFO] validating manifest of crates.io crate png_pong 0.8.2 on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-108/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8883ddbc89f92f3e24932817e279a6e4afed1bf491c32da522cbdd17283cfe8b [INFO] running `Command { std: "docker" "start" "-a" "8883ddbc89f92f3e24932817e279a6e4afed1bf491c32da522cbdd17283cfe8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8883ddbc89f92f3e24932817e279a6e4afed1bf491c32da522cbdd17283cfe8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8883ddbc89f92f3e24932817e279a6e4afed1bf491c32da522cbdd17283cfe8b", kill_on_drop: false }` [INFO] [stdout] 8883ddbc89f92f3e24932817e279a6e4afed1bf491c32da522cbdd17283cfe8b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2eaa6a8c94197ecbb8cedfd8797bffa36059736244ce514c3468b19d48401d53 [INFO] running `Command { std: "docker" "start" "-a" "2eaa6a8c94197ecbb8cedfd8797bffa36059736244ce514c3468b19d48401d53", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [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 3.43s [INFO] running `Command { std: "docker" "inspect" "2eaa6a8c94197ecbb8cedfd8797bffa36059736244ce514c3468b19d48401d53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2eaa6a8c94197ecbb8cedfd8797bffa36059736244ce514c3468b19d48401d53", kill_on_drop: false }` [INFO] [stdout] 2eaa6a8c94197ecbb8cedfd8797bffa36059736244ce514c3468b19d48401d53 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac103be1d8d5d5714424421df1890374a587196aba9e20db4a417fdfb0e95ff6 [INFO] running `Command { std: "docker" "start" "-a" "ac103be1d8d5d5714424421df1890374a587196aba9e20db4a417fdfb0e95ff6", kill_on_drop: false }` [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling plotters-backend v0.3.0 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling half v1.7.1 [INFO] [stderr] Compiling same-file v1.0.6 [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] [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 textwrap v0.11.0 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling itertools v0.10.0 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling plotters-svg v0.3.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling semver-parser v0.10.2 [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-epoch v0.9.4 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling plotters v0.3.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling rustc_version v0.3.3 [INFO] [stderr] Compiling cast v0.2.6 [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 22.98s [INFO] running `Command { std: "docker" "inspect" "ac103be1d8d5d5714424421df1890374a587196aba9e20db4a417fdfb0e95ff6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac103be1d8d5d5714424421df1890374a587196aba9e20db4a417fdfb0e95ff6", kill_on_drop: false }` [INFO] [stdout] ac103be1d8d5d5714424421df1890374a587196aba9e20db4a417fdfb0e95ff6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7f13d76b612196613dec478cff0c239b52d35f064c4456b3cfb2d6026989b4a0 [INFO] running `Command { std: "docker" "start" "-a" "7f13d76b612196613dec478cff0c239b52d35f064c4456b3cfb2d6026989b4a0", 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 0.11s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/png_pong-4139c2388e7c81a8) [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: 0x55f2ecf13a6c - std::backtrace_rs::backtrace::libunwind::trace::h91c465e73bf6c785 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55f2ecf13a6c - std::backtrace_rs::backtrace::trace_unsynchronized::hae9da36f5d58b5f3 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55f2ecf13a6c - std::sys_common::backtrace::_print_fmt::h7f499fa126a7effb [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55f2ecf13a6c - ::fmt::h3e2b509ce2ce6007 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55f2ecf2fdfc - core::fmt::write::h753c7571fa063ecb [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/fmt/mod.rs:1168:17 [INFO] [stdout] 5: 0x55f2ecf10a73 - std::io::Write::write_fmt::h2815c0519c99ba09 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/io/mod.rs:1660:15 [INFO] [stdout] 6: 0x55f2ecf15812 - std::sys_common::backtrace::_print::h64941a6fc8b0ed9b [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55f2ecf15812 - std::sys_common::backtrace::print::hcf25e43e1a9b0766 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55f2ecf15812 - std::panicking::default_hook::{{closure}}::h78d3e6cf97fc623d [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x55f2ecf153f5 - std::panicking::default_hook::hda898f8d3ad1a5ae [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:228:9 [INFO] [stdout] 10: 0x55f2ecf15e63 - std::panicking::rust_panic_with_hook::h1a5ea2d6c23051aa [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x55f2ecf15b80 - std::panicking::begin_panic_handler::{{closure}}::h07f549390938b73f [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x55f2ecf13f14 - std::sys_common::backtrace::__rust_end_short_backtrace::h5ec3758a92cfb00d [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x55f2ecf158b9 - rust_begin_unwind [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x55f2ececb481 - core::panicking::panic_fmt::h3a79a6a99affe1d5 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panicking.rs:116:14 [INFO] [stdout] 15: 0x55f2ececb513 - core::result::unwrap_failed::ha0327e3803285d6e [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/result.rs:1690:5 [INFO] [stdout] 16: 0x55f2ecee7fde - core::result::Result::expect::hc4707d3b94e00c52 [INFO] [stdout] 17: 0x55f2ececcebf - rust_out::main::_doctest_main_src_lib_rs_21_0::h4e8d22a874abee0b [INFO] [stdout] 18: 0x55f2ececcb76 - rust_out::main::h0a91ec602d6ccf7b [INFO] [stdout] 19: 0x55f2ececbe43 - core::ops::function::FnOnce::call_once::hf13fd7d7764c57e3 [INFO] [stdout] 20: 0x55f2ecee9c19 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0721740d13b54d33 [INFO] [stdout] 21: 0x55f2ecee9a89 - std::rt::lang_start::{{closure}}::h942b0ebbf6e45677 [INFO] [stdout] 22: 0x55f2ecf13120 - core::ops::function::impls:: for &F>::call_once::h443f738a8e9f947a [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 23: 0x55f2ecf13120 - std::panicking::try::do_call::h1e21ba261ba489ec [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:406:40 [INFO] [stdout] 24: 0x55f2ecf13120 - std::panicking::try::h6afd48af8b6c96ac [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:370:19 [INFO] [stdout] 25: 0x55f2ecf13120 - std::panic::catch_unwind::h85dd95e0bab7fb60 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panic.rs:133:14 [INFO] [stdout] 26: 0x55f2ecf13120 - std::rt::lang_start_internal::{{closure}}::h038455e697c8b03e [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/rt.rs:128:48 [INFO] [stdout] 27: 0x55f2ecf13120 - std::panicking::try::do_call::h6b0ad65979f3077a [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:406:40 [INFO] [stdout] 28: 0x55f2ecf13120 - std::panicking::try::h010108d314169ac6 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:370:19 [INFO] [stdout] 29: 0x55f2ecf13120 - std::panic::catch_unwind::hff397f912b1535c2 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panic.rs:133:14 [INFO] [stdout] 30: 0x55f2ecf13120 - std::rt::lang_start_internal::h52e73755f77c7dd9 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/rt.rs:128:20 [INFO] [stdout] 31: 0x55f2ecee9a71 - std::rt::lang_start::ha5571370df8ae5c1 [INFO] [stdout] 32: 0x55f2eceecf23 - main [INFO] [stdout] 33: 0x7fc0299720b3 - __libc_start_main [INFO] [stdout] 34: 0x55f2ececbb7e - _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 0.88s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "7f13d76b612196613dec478cff0c239b52d35f064c4456b3cfb2d6026989b4a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f13d76b612196613dec478cff0c239b52d35f064c4456b3cfb2d6026989b4a0", kill_on_drop: false }` [INFO] [stdout] 7f13d76b612196613dec478cff0c239b52d35f064c4456b3cfb2d6026989b4a0