[INFO] fetching crate png_pong 0.6.0... [INFO] testing png_pong-0.6.0 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate png_pong 0.6.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate png_pong 0.6.0 on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate png_pong 0.6.0 [INFO] finished tweaking crates.io crate png_pong 0.6.0 [INFO] tweaked toml for crates.io crate png_pong 0.6.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate crates.io crate png_pong 0.6.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f206f87c106fa108c760819212705f12f42c942073fd0e6186fb5b69373415f7 [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" "f206f87c106fa108c760819212705f12f42c942073fd0e6186fb5b69373415f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f206f87c106fa108c760819212705f12f42c942073fd0e6186fb5b69373415f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f206f87c106fa108c760819212705f12f42c942073fd0e6186fb5b69373415f7", kill_on_drop: false }` [INFO] [stdout] f206f87c106fa108c760819212705f12f42c942073fd0e6186fb5b69373415f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 50be8849277e7bcd34243c9c7768f5025f9cf110a03c73943973d46dbeac4f5a [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" "50be8849277e7bcd34243c9c7768f5025f9cf110a03c73943973d46dbeac4f5a", 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 v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [optimized + debuginfo] target(s) in 9.07s [INFO] running `Command { std: "docker" "inspect" "50be8849277e7bcd34243c9c7768f5025f9cf110a03c73943973d46dbeac4f5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50be8849277e7bcd34243c9c7768f5025f9cf110a03c73943973d46dbeac4f5a", kill_on_drop: false }` [INFO] [stdout] 50be8849277e7bcd34243c9c7768f5025f9cf110a03c73943973d46dbeac4f5a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--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] 394fd186b5cb70beeeae25fe4b3495a0b2dbd4555638bd35c4d61fbe3c7084d0 [INFO] running `Command { std: "docker" "start" "-a" "394fd186b5cb70beeeae25fe4b3495a0b2dbd4555638bd35c4d61fbe3c7084d0", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [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 cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling rayon-core v1.7.1 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling syn v1.0.34 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling half v1.6.0 [INFO] [stderr] Compiling oorandom v11.1.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling regex v1.3.9 [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 num-traits v0.2.12 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling criterion-plot v0.4.3 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling plotters v0.2.15 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [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 criterion v0.3.3 [INFO] [stderr] Compiling png_pong v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [optimized + debuginfo] target(s) in 4m 37s [INFO] running `Command { std: "docker" "inspect" "394fd186b5cb70beeeae25fe4b3495a0b2dbd4555638bd35c4d61fbe3c7084d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "394fd186b5cb70beeeae25fe4b3495a0b2dbd4555638bd35c4d61fbe3c7084d0", kill_on_drop: false }` [INFO] [stdout] 394fd186b5cb70beeeae25fe4b3495a0b2dbd4555638bd35c4d61fbe3c7084d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", 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] d6005ec7f8eeae2f32e19e64fb36994438fd2dc58a62ce4b05de894cd66a2581 [INFO] running `Command { std: "docker" "start" "-a" "d6005ec7f8eeae2f32e19e64fb36994438fd2dc58a62ce4b05de894cd66a2581", kill_on_drop: false }` [INFO] [stderr] Finished test [optimized + debuginfo] target(s) in 0.19s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/png_pong-bec13b5a45d71989 [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: 0x55902fca8d75 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55902fca8d75 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55902fca8d75 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55902fca8d75 - ::fmt::hdb4a83d2b61107e5 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55902fcc675c - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x55902fca7442 - std::io::Write::write_fmt::h1aebfe8a5a79e36d [INFO] [stdout] at src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x55902fcab1b0 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x55902fcab1b0 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x55902fcab1b0 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x55902fcaaefc - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stdout] at src/libstd/panicking.rs:217 [INFO] [stdout] 10: 0x55902fcab7f3 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stdout] at src/libstd/panicking.rs:526 [INFO] [stdout] 11: 0x55902fcab3eb - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:437 [INFO] [stdout] 12: 0x55902fcc5b61 - core::panicking::panic_fmt::h17139c2000299725 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 13: 0x55902fcc5983 - core::option::expect_none_failed::h972f96abb4ec8952 [INFO] [stdout] at src/libcore/option.rs:1269 [INFO] [stdout] 14: 0x55902fc75d55 - core::result::Result::expect::h3c346a2feedaf56d [INFO] [stdout] 15: 0x55902fc8e3ac - rust_out::main::h405f65324f7b53be [INFO] [stdout] 16: 0x55902fc67703 - std::rt::lang_start::{{closure}}::ha8395b9615e12984 [INFO] [stdout] 17: 0x55902fcabbc3 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70 [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 18: 0x55902fcabbc3 - std::panicking::try::do_call::he8e1d689a3e26def [INFO] [stdout] at src/libstd/panicking.rs:348 [INFO] [stdout] 19: 0x55902fcabbc3 - std::panicking::try::h264b6eebc2fa7bbf [INFO] [stdout] at src/libstd/panicking.rs:325 [INFO] [stdout] 20: 0x55902fcabbc3 - std::panic::catch_unwind::hbf28fafa723b2128 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x55902fcabbc3 - std::rt::lang_start_internal::he959aa59bc3ec202 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 22: 0x55902fc676e8 - std::rt::lang_start::hf91fc87199e1c84e [INFO] [stdout] 23: 0x55902fc8e64b - main [INFO] [stdout] 24: 0x7f9afc12e0b3 - __libc_start_main [INFO] [stdout] 25: 0x55902fc6518e - _start [INFO] [stdout] 26: 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" "d6005ec7f8eeae2f32e19e64fb36994438fd2dc58a62ce4b05de894cd66a2581", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6005ec7f8eeae2f32e19e64fb36994438fd2dc58a62ce4b05de894cd66a2581", kill_on_drop: false }` [INFO] [stdout] d6005ec7f8eeae2f32e19e64fb36994438fd2dc58a62ce4b05de894cd66a2581