[INFO] crate initials 0.1.2 is already in cache [INFO] testing initials-0.1.2 against 1.44.0 for beta-1.45-1 [INFO] extracting crate initials 0.1.2 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate initials 0.1.2 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate initials 0.1.2 [INFO] finished tweaking crates.io crate initials 0.1.2 [INFO] tweaked toml for crates.io crate initials 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4cd8c723e64b96255326f6e31afa86e06147fef89b89430063c17912000189f5 [INFO] running `"docker" "start" "-a" "4cd8c723e64b96255326f6e31afa86e06147fef89b89430063c17912000189f5"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling ordered-float v1.0.2 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling png v0.12.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.19 [INFO] [stderr] Compiling rusttype v0.8.3 [INFO] [stderr] Compiling rusttype v0.7.9 [INFO] [stderr] Compiling rusttype v0.6.5 [INFO] [stderr] Compiling image v0.19.0 [INFO] [stderr] Compiling initials v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | try!(i64::from_str_radix(&String::from_iter(&raw[1 .. 3]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | try!(i64::from_str_radix(&String::from_iter(&raw[3 .. 5]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | try!(i64::from_str_radix(&String::from_iter(&raw[5 .. 7]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.54s [INFO] running `"docker" "inspect" "4cd8c723e64b96255326f6e31afa86e06147fef89b89430063c17912000189f5"` [INFO] running `"docker" "rm" "-f" "4cd8c723e64b96255326f6e31afa86e06147fef89b89430063c17912000189f5"` [INFO] [stdout] 4cd8c723e64b96255326f6e31afa86e06147fef89b89430063c17912000189f5 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a10b6385b5b1b9e63f41717d86db3bb1e92f2a3f89936a09139b8ecccb6daa46 [INFO] running `"docker" "start" "-a" "a10b6385b5b1b9e63f41717d86db3bb1e92f2a3f89936a09139b8ecccb6daa46"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling initials v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | try!(i64::from_str_radix(&String::from_iter(&raw[1 .. 3]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | try!(i64::from_str_radix(&String::from_iter(&raw[3 .. 5]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | try!(i64::from_str_radix(&String::from_iter(&raw[5 .. 7]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | try!(i64::from_str_radix(&String::from_iter(&raw[1 .. 3]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | try!(i64::from_str_radix(&String::from_iter(&raw[3 .. 5]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | try!(i64::from_str_radix(&String::from_iter(&raw[5 .. 7]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.02s [INFO] running `"docker" "inspect" "a10b6385b5b1b9e63f41717d86db3bb1e92f2a3f89936a09139b8ecccb6daa46"` [INFO] running `"docker" "rm" "-f" "a10b6385b5b1b9e63f41717d86db3bb1e92f2a3f89936a09139b8ecccb6daa46"` [INFO] [stdout] a10b6385b5b1b9e63f41717d86db3bb1e92f2a3f89936a09139b8ecccb6daa46 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 65c69ad506c0460453ab6715be790ca93bcb9e371b1c2b1bf1dc6519d7bd9efe [INFO] running `"docker" "start" "-a" "65c69ad506c0460453ab6715be790ca93bcb9e371b1c2b1bf1dc6519d7bd9efe"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | try!(i64::from_str_radix(&String::from_iter(&raw[1 .. 3]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | try!(i64::from_str_radix(&String::from_iter(&raw[3 .. 5]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | try!(i64::from_str_radix(&String::from_iter(&raw[5 .. 7]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | try!(i64::from_str_radix(&String::from_iter(&raw[1 .. 3]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | try!(i64::from_str_radix(&String::from_iter(&raw[3 .. 5]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | try!(i64::from_str_radix(&String::from_iter(&raw[5 .. 7]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.25s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/initials-eec9c17e2e5777f7 [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test contrast::tests::test_contrast_ratio ... ok [INFO] [stdout] test hex::tests::test_invalid_hex_with_missing_prefix ... ok [INFO] [stdout] test hex::tests::test_valid_hex ... ok [INFO] [stdout] test hex::tests::test_invalid_hex_with_parse_error ... ok [INFO] [stdout] test hex::tests::test_invalid_hex_with_wrong_size ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/bin-04a9b0e583fc88f7 [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 initials [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/lib.rs - (line 6) ... ok [INFO] [stdout] test src/lib.rs - (line 22) ... FAILED [INFO] [stdout] test src/lib.rs - (line 86) ... ok [INFO] [stdout] test src/lib.rs - (line 12) ... ok [INFO] [stdout] test src/lib.rs - (line 62) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 22) 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:9:1 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x56271401f3f4 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x56271401f3f4 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x56271401f3f4 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x56271401f3f4 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x56271403dcec - core::fmt::write::hdaea18585065a96d [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x56271401d623 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stdout] at src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x5627140219c5 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x5627140219c5 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x5627140219c5 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x562714021702 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stdout] at src/libstd/panicking.rs:218 [INFO] [stdout] 10: 0x562714022022 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 11: 0x562714021c0b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 12: 0x56271403d0d1 - core::panicking::panic_fmt::h1ac71ad045d55416 [INFO] [stdout] at src/libcore/panicking.rs:111 [INFO] [stdout] 13: 0x56271403cef3 - core::option::expect_none_failed::hb40004d71d61b685 [INFO] [stdout] at src/libcore/option.rs:1268 [INFO] [stdout] 14: 0x562713f20390 - core::result::Result::unwrap::hc51d2c9e9b9598db [INFO] [stdout] 15: 0x562713f20726 - rust_out::main::hce5147e828914a17 [INFO] [stdout] 16: 0x562713f20293 - std::rt::lang_start::{{closure}}::hb15f61f8249547b1 [INFO] [stdout] 17: 0x562714022468 - std::rt::lang_start_internal::{{closure}}::h7a212202ff76034b [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 18: 0x562714022468 - std::panicking::try::do_call::h6d214a73427d759b [INFO] [stdout] at src/libstd/panicking.rs:331 [INFO] [stdout] 19: 0x562714022468 - std::panicking::try::hc078f0e11721d1cb [INFO] [stdout] at src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x562714022468 - std::panic::catch_unwind::hb31c05be30625612 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x562714022468 - std::rt::lang_start_internal::hcf7fb98a775d5af0 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 22: 0x562713f20278 - std::rt::lang_start::h80cabc1387d7a5d8 [INFO] [stdout] 23: 0x562713f2077b - main [INFO] [stdout] 24: 0x7f7239d710b3 - __libc_start_main [INFO] [stdout] 25: 0x562713f2017e - _start [INFO] [stdout] 26: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 22) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "65c69ad506c0460453ab6715be790ca93bcb9e371b1c2b1bf1dc6519d7bd9efe"` [INFO] running `"docker" "rm" "-f" "65c69ad506c0460453ab6715be790ca93bcb9e371b1c2b1bf1dc6519d7bd9efe"` [INFO] [stdout] 65c69ad506c0460453ab6715be790ca93bcb9e371b1c2b1bf1dc6519d7bd9efe