[INFO] fetching crate png_pong 0.7.0... [INFO] testing png_pong-0.7.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] extracting crate png_pong 0.7.0 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate png_pong 0.7.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate png_pong 0.7.0 [INFO] finished tweaking crates.io crate png_pong 0.7.0 [INFO] tweaked toml for crates.io crate png_pong 0.7.0 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate crates.io crate png_pong 0.7.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 98da3cb8c50e06561d7162fd9f4a497c1489285d33e15fd962111fe602699f77 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "98da3cb8c50e06561d7162fd9f4a497c1489285d33e15fd962111fe602699f77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "98da3cb8c50e06561d7162fd9f4a497c1489285d33e15fd962111fe602699f77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98da3cb8c50e06561d7162fd9f4a497c1489285d33e15fd962111fe602699f77", kill_on_drop: false }` [INFO] [stdout] 98da3cb8c50e06561d7162fd9f4a497c1489285d33e15fd962111fe602699f77 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d895d8213d3dcd1210f64a33095a1b2c747b1e1ba19897b7d0f61b0de4f1b2d7 [INFO] running `Command { std: "docker" "start" "-a" "d895d8213d3dcd1210f64a33095a1b2c747b1e1ba19897b7d0f61b0de4f1b2d7", kill_on_drop: false }` [INFO] [stderr] Compiling pix v0.13.1 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling miniz_oxide v0.4.0 [INFO] [stderr] Compiling png_pong v0.7.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [optimized + debuginfo] target(s) in 11.26s [INFO] running `Command { std: "docker" "inspect" "d895d8213d3dcd1210f64a33095a1b2c747b1e1ba19897b7d0f61b0de4f1b2d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d895d8213d3dcd1210f64a33095a1b2c747b1e1ba19897b7d0f61b0de4f1b2d7", kill_on_drop: false }` [INFO] [stdout] d895d8213d3dcd1210f64a33095a1b2c747b1e1ba19897b7d0f61b0de4f1b2d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1a6c5a1cf04d2f71e3fc89428c3278c622a44aefa7ee08173d7677ab4791692e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1a6c5a1cf04d2f71e3fc89428c3278c622a44aefa7ee08173d7677ab4791692e", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling syn v1.0.34 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling half v1.6.0 [INFO] [stderr] Compiling oorandom v11.1.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Compiling rayon-core v1.7.1 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling plotters v0.2.15 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling criterion-plot v0.4.3 [INFO] [stderr] Compiling bstr v0.2.13 [INFO] [stderr] Compiling serde_cbor v0.11.1 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling tinytemplate v1.1.0 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling criterion v0.3.3 [INFO] [stderr] Compiling png_pong v0.7.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [optimized + debuginfo] target(s) in 3m 36s [INFO] running `Command { std: "docker" "inspect" "1a6c5a1cf04d2f71e3fc89428c3278c622a44aefa7ee08173d7677ab4791692e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a6c5a1cf04d2f71e3fc89428c3278c622a44aefa7ee08173d7677ab4791692e", kill_on_drop: false }` [INFO] [stdout] 1a6c5a1cf04d2f71e3fc89428c3278c622a44aefa7ee08173d7677ab4791692e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0be8ae2dc207685535a7749ee00c7ae55e96ddf6764ebf8cedb1cad0cf100116 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0be8ae2dc207685535a7749ee00c7ae55e96ddf6764ebf8cedb1cad0cf100116", kill_on_drop: false }` [INFO] [stderr] Finished test [optimized + debuginfo] target(s) in 0.15s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/png_pong-d10dd5d4ff47bf83 [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 [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: Other, message: "Read-only file system" }', src/lib.rs:12:41 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c9a8f658d0 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55c9a8f658d0 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55c9a8f658d0 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55c9a8f658d0 - ::fmt::h7881e3a580134f9a [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55c9a8f8035c - core::fmt::write::h1857a60b204f1b6a [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/fmt/mod.rs:1078:17 [INFO] [stdout] 5: 0x55c9a8f63b42 - std::io::Write::write_fmt::h24485de26f355188 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/io/mod.rs:1519:15 [INFO] [stdout] 6: 0x55c9a8f67b95 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55c9a8f67b95 - std::sys_common::backtrace::print::hd22ac23fed5071c8 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55c9a8f67b95 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55c9a8f676ea - std::panicking::default_hook::hb08853b392b9404b [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55c9a8f68331 - std::panicking::rust_panic_with_hook::h3624ee29da369ede [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:591:17 [INFO] [stdout] 11: 0x55c9a8f67e77 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:497:13 [INFO] [stdout] 12: 0x55c9a8f65d8c - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55c9a8f67dd9 - rust_begin_unwind [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:493:5 [INFO] [stdout] 14: 0x55c9a8f7f701 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55c9a8f7f523 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/option.rs:1268:5 [INFO] [stdout] 16: 0x55c9a8f27345 - core::result::Result::expect::h05029290ff3c6b30 [INFO] [stdout] 17: 0x55c9a8f40b64 - rust_out::main::h405f65324f7b53be [INFO] [stdout] 18: 0x55c9a8f203d3 - core::ops::function::FnOnce::call_once::ha451af22024e1864 [INFO] [stdout] 19: 0x55c9a8f1e349 - std::sys_common::backtrace::__rust_begin_short_backtrace::hefd8e56bf97a4afd [INFO] [stdout] 20: 0x55c9a8f1ea39 - std::rt::lang_start::{{closure}}::hee13be5f96bd7848 [INFO] [stdout] 21: 0x55c9a8f68757 - core::ops::function::impls:: for &F>::call_once::h194d6aa01fb6b594 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 22: 0x55c9a8f68757 - std::panicking::try::do_call::h4ef477456776cccb [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:379:40 [INFO] [stdout] 23: 0x55c9a8f68757 - std::panicking::try::h7f2121b6bb3bbca4 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:343:19 [INFO] [stdout] 24: 0x55c9a8f68757 - std::panic::catch_unwind::he974d0ca04309948 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:396:14 [INFO] [stdout] 25: 0x55c9a8f68757 - std::rt::lang_start_internal::h36e9e78490120b9f [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/rt.rs:51:25 [INFO] [stdout] 26: 0x55c9a8f1ea18 - std::rt::lang_start::h290408a3f91c6d5a [INFO] [stdout] 27: 0x55c9a8f40e0b - main [INFO] [stdout] 28: 0x7fa98dc230b3 - __libc_start_main [INFO] [stdout] 29: 0x55c9a8f1d0ae - _start [INFO] [stdout] 30: 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 [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "0be8ae2dc207685535a7749ee00c7ae55e96ddf6764ebf8cedb1cad0cf100116", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0be8ae2dc207685535a7749ee00c7ae55e96ddf6764ebf8cedb1cad0cf100116", kill_on_drop: false }` [INFO] [stdout] 0be8ae2dc207685535a7749ee00c7ae55e96ddf6764ebf8cedb1cad0cf100116