[INFO] fetching crate base64-stream 1.2.4... [INFO] testing base64-stream-1.2.4 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate base64-stream 1.2.4 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate base64-stream 1.2.4 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 base64-stream 1.2.4 [INFO] finished tweaking crates.io crate base64-stream 1.2.4 [INFO] tweaked toml for crates.io crate base64-stream 1.2.4 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8bffb323ccc9f38535dc7cb5f19f23b17c5c4e79c35c3e67355452f45b070aeb [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" "8bffb323ccc9f38535dc7cb5f19f23b17c5c4e79c35c3e67355452f45b070aeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8bffb323ccc9f38535dc7cb5f19f23b17c5c4e79c35c3e67355452f45b070aeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bffb323ccc9f38535dc7cb5f19f23b17c5c4e79c35c3e67355452f45b070aeb", kill_on_drop: false }` [INFO] [stdout] 8bffb323ccc9f38535dc7cb5f19f23b17c5c4e79c35c3e67355452f45b070aeb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8fddc5fe8dfc8b8da8d23b403b1b72b4e6e296ec47bb16282cf4876ecc8568b8 [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" "8fddc5fe8dfc8b8da8d23b403b1b72b4e6e296ec47bb16282cf4876ecc8568b8", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-bigint v0.3.0 [INFO] [stderr] Compiling generic-array v0.14.3 [INFO] [stderr] Compiling enum-ordinalize v3.1.8 [INFO] [stderr] Compiling educe v0.4.13 [INFO] [stderr] Compiling base64-stream v1.2.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.44s [INFO] running `Command { std: "docker" "inspect" "8fddc5fe8dfc8b8da8d23b403b1b72b4e6e296ec47bb16282cf4876ecc8568b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fddc5fe8dfc8b8da8d23b403b1b72b4e6e296ec47bb16282cf4876ecc8568b8", kill_on_drop: false }` [INFO] [stdout] 8fddc5fe8dfc8b8da8d23b403b1b72b4e6e296ec47bb16282cf4876ecc8568b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] f0b05ea0470eb38ac5b7e3783e4da13de9a34bf25a024bd35329bb2c39d51573 [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" "f0b05ea0470eb38ac5b7e3783e4da13de9a34bf25a024bd35329bb2c39d51573", kill_on_drop: false }` [INFO] [stderr] Compiling base64-stream v1.2.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.81s [INFO] running `Command { std: "docker" "inspect" "f0b05ea0470eb38ac5b7e3783e4da13de9a34bf25a024bd35329bb2c39d51573", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0b05ea0470eb38ac5b7e3783e4da13de9a34bf25a024bd35329bb2c39d51573", kill_on_drop: false }` [INFO] [stdout] f0b05ea0470eb38ac5b7e3783e4da13de9a34bf25a024bd35329bb2c39d51573 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] ccefb06847260709aa117bada50f85db03934667b37cac28f289ac65aa922428 [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" "ccefb06847260709aa117bada50f85db03934667b37cac28f289ac65aa922428", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/base64_stream-e0f9dfceb584346b [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 base64-stream [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/lib.rs - (line 117) ... ok [INFO] [stdout] test src/lib.rs - (line 11) ... ok [INFO] [stdout] test src/lib.rs - (line 31) ... FAILED [INFO] [stdout] test src/lib.rs - (line 62) ... ok [INFO] [stdout] test src/lib.rs - (line 84) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 31) 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:18:48 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x560987823ba5 - 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: 0x560987823ba5 - 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: 0x560987823ba5 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x560987823ba5 - ::fmt::hdb4a83d2b61107e5 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x560987840fec - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x560987822082 - std::io::Write::write_fmt::h1aebfe8a5a79e36d [INFO] [stdout] at src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x560987825fe0 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x560987825fe0 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x560987825fe0 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x560987825d2c - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stdout] at src/libstd/panicking.rs:217 [INFO] [stdout] 10: 0x560987826623 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stdout] at src/libstd/panicking.rs:526 [INFO] [stdout] 11: 0x56098782621b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:437 [INFO] [stdout] 12: 0x5609878403f1 - core::panicking::panic_fmt::h17139c2000299725 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 13: 0x560987840213 - core::option::expect_none_failed::h972f96abb4ec8952 [INFO] [stdout] at src/libcore/option.rs:1269 [INFO] [stdout] 14: 0x560987813a4b - core::result::Result::unwrap::hd0a36c8c8b914130 [INFO] [stdout] 15: 0x560987815e09 - rust_out::main::h405f65324f7b53be [INFO] [stdout] 16: 0x560987812333 - std::rt::lang_start::{{closure}}::ha8395b9615e12984 [INFO] [stdout] 17: 0x5609878269f3 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70 [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 18: 0x5609878269f3 - std::panicking::try::do_call::he8e1d689a3e26def [INFO] [stdout] at src/libstd/panicking.rs:348 [INFO] [stdout] 19: 0x5609878269f3 - std::panicking::try::h264b6eebc2fa7bbf [INFO] [stdout] at src/libstd/panicking.rs:325 [INFO] [stdout] 20: 0x5609878269f3 - std::panic::catch_unwind::hbf28fafa723b2128 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x5609878269f3 - std::rt::lang_start_internal::he959aa59bc3ec202 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 22: 0x560987812318 - std::rt::lang_start::hf91fc87199e1c84e [INFO] [stdout] 23: 0x56098781615b - main [INFO] [stdout] 24: 0x7f16f51920b3 - __libc_start_main [INFO] [stdout] 25: 0x56098781118e - _start [INFO] [stdout] 26: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 84) 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:18:51 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5654669f7a95 - 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: 0x5654669f7a95 - 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: 0x5654669f7a95 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x5654669f7a95 - ::fmt::hdb4a83d2b61107e5 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x565466a14edc - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x5654669f5f72 - std::io::Write::write_fmt::h1aebfe8a5a79e36d [INFO] [stdout] at src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x5654669f9ed0 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x5654669f9ed0 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x5654669f9ed0 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x5654669f9c1c - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stdout] at src/libstd/panicking.rs:217 [INFO] [stdout] 10: 0x5654669fa513 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stdout] at src/libstd/panicking.rs:526 [INFO] [stdout] 11: 0x5654669fa10b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:437 [INFO] [stdout] 12: 0x565466a142e1 - core::panicking::panic_fmt::h17139c2000299725 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 13: 0x565466a14103 - core::option::expect_none_failed::h972f96abb4ec8952 [INFO] [stdout] at src/libcore/option.rs:1269 [INFO] [stdout] 14: 0x5654669e3ecb - core::result::Result::unwrap::hd0a36c8c8b914130 [INFO] [stdout] 15: 0x5654669ecfa9 - rust_out::main::h405f65324f7b53be [INFO] [stdout] 16: 0x5654669e24a3 - std::rt::lang_start::{{closure}}::ha8395b9615e12984 [INFO] [stdout] 17: 0x5654669fa8e3 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70 [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 18: 0x5654669fa8e3 - std::panicking::try::do_call::he8e1d689a3e26def [INFO] [stdout] at src/libstd/panicking.rs:348 [INFO] [stdout] 19: 0x5654669fa8e3 - std::panicking::try::h264b6eebc2fa7bbf [INFO] [stdout] at src/libstd/panicking.rs:325 [INFO] [stdout] 20: 0x5654669fa8e3 - std::panic::catch_unwind::hbf28fafa723b2128 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x5654669fa8e3 - std::rt::lang_start_internal::he959aa59bc3ec202 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 22: 0x5654669e2488 - std::rt::lang_start::hf91fc87199e1c84e [INFO] [stdout] 23: 0x5654669ed2fb - main [INFO] [stdout] 24: 0x7fb825ca00b3 - __libc_start_main [INFO] [stdout] 25: 0x5654669e118e - _start [INFO] [stdout] 26: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 31) [INFO] [stdout] src/lib.rs - (line 84) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 3 passed; 2 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" "ccefb06847260709aa117bada50f85db03934667b37cac28f289ac65aa922428", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ccefb06847260709aa117bada50f85db03934667b37cac28f289ac65aa922428", kill_on_drop: false }` [INFO] [stdout] ccefb06847260709aa117bada50f85db03934667b37cac28f289ac65aa922428