[INFO] fetching crate qrcode-png 0.1.1... [INFO] testing qrcode-png-0.1.1 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] extracting crate qrcode-png 0.1.1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate qrcode-png 0.1.1 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate qrcode-png 0.1.1 [INFO] finished tweaking crates.io crate qrcode-png 0.1.1 [INFO] tweaked toml for crates.io crate qrcode-png 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate qrcode-png 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dd9a658b18c43121e2b078064c2e4004d6ab6639d48547824fac89ba3145ea93 [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" "dd9a658b18c43121e2b078064c2e4004d6ab6639d48547824fac89ba3145ea93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dd9a658b18c43121e2b078064c2e4004d6ab6639d48547824fac89ba3145ea93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd9a658b18c43121e2b078064c2e4004d6ab6639d48547824fac89ba3145ea93", kill_on_drop: false }` [INFO] [stdout] dd9a658b18c43121e2b078064c2e4004d6ab6639d48547824fac89ba3145ea93 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ed856c1c58cfc27e4e2e71c8c2e8ef008fe2d35c6f8e932abf28ec3bc2fea255 [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" "ed856c1c58cfc27e4e2e71c8c2e8ef008fe2d35c6f8e932abf28ec3bc2fea255", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling qrcodegen v1.6.0 [INFO] [stderr] Compiling miniz_oxide v0.3.7 [INFO] [stderr] Compiling deflate v0.8.6 [INFO] [stderr] Compiling png v0.16.7 [INFO] [stderr] Compiling qrcode-png v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.64s [INFO] running `Command { std: "docker" "inspect" "ed856c1c58cfc27e4e2e71c8c2e8ef008fe2d35c6f8e932abf28ec3bc2fea255", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed856c1c58cfc27e4e2e71c8c2e8ef008fe2d35c6f8e932abf28ec3bc2fea255", kill_on_drop: false }` [INFO] [stdout] ed856c1c58cfc27e4e2e71c8c2e8ef008fe2d35c6f8e932abf28ec3bc2fea255 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b9ddb64069fecb0efa485a53ace5f95ebc34bcdb29c2f5def5d7292d1ea69db [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" "0b9ddb64069fecb0efa485a53ace5f95ebc34bcdb29c2f5def5d7292d1ea69db", kill_on_drop: false }` [INFO] [stderr] Compiling qrcode-png v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.43s [INFO] running `Command { std: "docker" "inspect" "0b9ddb64069fecb0efa485a53ace5f95ebc34bcdb29c2f5def5d7292d1ea69db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b9ddb64069fecb0efa485a53ace5f95ebc34bcdb29c2f5def5d7292d1ea69db", kill_on_drop: false }` [INFO] [stdout] 0b9ddb64069fecb0efa485a53ace5f95ebc34bcdb29c2f5def5d7292d1ea69db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] c5ed0e4348d24d634693cc57dd9fef31f87fd8957ad12bcaae7e8a61cb663e1f [INFO] running `Command { std: "docker" "start" "-a" "c5ed0e4348d24d634693cc57dd9fef31f87fd8957ad12bcaae7e8a61cb663e1f", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/qrcode_png-770f1aba4017e184 [INFO] [stdout] [INFO] [stderr] Doc-tests qrcode-png [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] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] [stdout] test src/lib.rs - (line 2) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 2) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/lib.rs:12:47 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x558f74bbbf30 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x558f74bbbf30 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x558f74bbbf30 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x558f74bbbf30 - ::fmt::h7881e3a580134f9a [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x558f74bd71cc - core::fmt::write::h1857a60b204f1b6a [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/fmt/mod.rs:1078:17 [INFO] [stdout] 5: 0x558f74bba1a2 - std::io::Write::write_fmt::h24485de26f355188 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/io/mod.rs:1519:15 [INFO] [stdout] 6: 0x558f74bbe1f5 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x558f74bbe1f5 - std::sys_common::backtrace::print::hd22ac23fed5071c8 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x558f74bbe1f5 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x558f74bbdd4a - std::panicking::default_hook::hb08853b392b9404b [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x558f74bbe991 - std::panicking::rust_panic_with_hook::h3624ee29da369ede [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:591:17 [INFO] [stdout] 11: 0x558f74bbe4d7 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:497:13 [INFO] [stdout] 12: 0x558f74bbc3ec - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x558f74bbe439 - rust_begin_unwind [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:493:5 [INFO] [stdout] 14: 0x558f74bd6571 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x558f74bd6393 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/option.rs:1268:5 [INFO] [stdout] 16: 0x558f74b4de20 - core::result::Result::unwrap::hf0f8380cc37de52a [INFO] [stdout] 17: 0x558f74b4ec3c - rust_out::main::h405f65324f7b53be [INFO] [stdout] 18: 0x558f74b4d9c3 - core::ops::function::FnOnce::call_once::ha451af22024e1864 [INFO] [stdout] 19: 0x558f74b4d629 - std::sys_common::backtrace::__rust_begin_short_backtrace::hefd8e56bf97a4afd [INFO] [stdout] 20: 0x558f74b4d7b9 - std::rt::lang_start::{{closure}}::hee13be5f96bd7848 [INFO] [stdout] 21: 0x558f74bbedb7 - core::ops::function::impls:: for &F>::call_once::h194d6aa01fb6b594 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 22: 0x558f74bbedb7 - std::panicking::try::do_call::h4ef477456776cccb [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40 [INFO] [stdout] 23: 0x558f74bbedb7 - std::panicking::try::h7f2121b6bb3bbca4 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19 [INFO] [stdout] 24: 0x558f74bbedb7 - std::panic::catch_unwind::he974d0ca04309948 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14 [INFO] [stdout] 25: 0x558f74bbedb7 - std::rt::lang_start_internal::h36e9e78490120b9f [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/rt.rs:51:25 [INFO] [stdout] 26: 0x558f74b4d798 - std::rt::lang_start::h290408a3f91c6d5a [INFO] [stdout] 27: 0x558f74b4ef5b - main [INFO] [stdout] 28: 0x7f17af42f0b3 - __libc_start_main [INFO] [stdout] 29: 0x558f74b4b0ae - _start [INFO] [stdout] 30: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 2) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c5ed0e4348d24d634693cc57dd9fef31f87fd8957ad12bcaae7e8a61cb663e1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5ed0e4348d24d634693cc57dd9fef31f87fd8957ad12bcaae7e8a61cb663e1f", kill_on_drop: false }` [INFO] [stdout] c5ed0e4348d24d634693cc57dd9fef31f87fd8957ad12bcaae7e8a61cb663e1f