[INFO] fetching crate serde-diff 0.3.0... [INFO] testing serde-diff-0.3.0 against 1.45.2 for beta-1.46-1 [INFO] extracting crate serde-diff 0.3.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate serde-diff 0.3.0 on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate serde-diff 0.3.0 [INFO] finished tweaking crates.io crate serde-diff 0.3.0 [INFO] tweaked toml for crates.io crate serde-diff 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate crates.io crate serde-diff 0.3.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f3412f10cc544dfb15d9fb7e28810ccd36167439df697ca3450d93fa7a7713c9 [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" "f3412f10cc544dfb15d9fb7e28810ccd36167439df697ca3450d93fa7a7713c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f3412f10cc544dfb15d9fb7e28810ccd36167439df697ca3450d93fa7a7713c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3412f10cc544dfb15d9fb7e28810ccd36167439df697ca3450d93fa7a7713c9", kill_on_drop: false }` [INFO] [stdout] f3412f10cc544dfb15d9fb7e28810ccd36167439df697ca3450d93fa7a7713c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.45.2" "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] 2040f30dd1a495164998da9f011158e4946a20768f3d401c411dfaa4424413fa [INFO] running `Command { std: "docker" "start" "-a" "2040f30dd1a495164998da9f011158e4946a20768f3d401c411dfaa4424413fa", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling serde-diff-derive v0.3.0 [INFO] [stderr] Compiling serde-diff v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 41.77s [INFO] running `Command { std: "docker" "inspect" "2040f30dd1a495164998da9f011158e4946a20768f3d401c411dfaa4424413fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2040f30dd1a495164998da9f011158e4946a20768f3d401c411dfaa4424413fa", kill_on_drop: false }` [INFO] [stdout] 2040f30dd1a495164998da9f011158e4946a20768f3d401c411dfaa4424413fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.45.2" "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] 76d32321a971e4f47830c63090f598c49d510a6801dbbe1b539ded0959657cc1 [INFO] running `Command { std: "docker" "start" "-a" "76d32321a971e4f47830c63090f598c49d510a6801dbbe1b539ded0959657cc1", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling bincode v1.2.1 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling serde_json v1.0.48 [INFO] [stderr] Compiling rmp v0.8.9 [INFO] [stderr] Compiling rmp-serde v0.14.3 [INFO] [stderr] Compiling serde-diff v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 12.21s [INFO] running `Command { std: "docker" "inspect" "76d32321a971e4f47830c63090f598c49d510a6801dbbe1b539ded0959657cc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76d32321a971e4f47830c63090f598c49d510a6801dbbe1b539ded0959657cc1", kill_on_drop: false }` [INFO] [stdout] 76d32321a971e4f47830c63090f598c49d510a6801dbbe1b539ded0959657cc1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.45.2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1cfdd56840e95a6910818b0ad3d679cf23002586cab319fff4b309adf40a6439 [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" "1cfdd56840e95a6910818b0ad3d679cf23002586cab319fff4b309adf40a6439", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/serde_diff-9c7a52b99f4a575b [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stderr] Doc-tests serde-diff [INFO] [stdout] test tests::test_option ... ok [INFO] [stdout] test tests::test_array ... ok [INFO] [stdout] test tests::test_tuple ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/config.rs - config::Config (line 9) ... ok [INFO] [stdout] test src/difference.rs - difference::Diff (line 204) ... ok [INFO] [stdout] test src/apply.rs - apply::Apply (line 14) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/apply.rs - apply::Apply (line 14) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'failed to serialize diff: UnknownLength', src/apply.rs:11:20 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x564c808cf2a5 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x564c808cf2a5 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x564c808cf2a5 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x564c808cf2a5 - ::fmt::h5fe20777f4174074 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x564c808f0a5c - core::fmt::write::he14c3177144df275 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x564c808cda53 - std::io::Write::write_fmt::h8e26323bfab8bcc5 [INFO] [stdout] at src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x564c808d17b0 - std::sys_common::backtrace::_print::h9cfa4c87526ba064 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x564c808d17b0 - std::sys_common::backtrace::print::h94936584848b3272 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x564c808d17b0 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x564c808d14fc - std::panicking::default_hook::h556d8cff6c12a651 [INFO] [stdout] at src/libstd/panicking.rs:218 [INFO] [stdout] 10: 0x564c808d1d97 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 11: 0x564c808d199b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:388 [INFO] [stdout] 12: 0x564c808ef3f1 - core::panicking::panic_fmt::h106d7128cbbc7cd2 [INFO] [stdout] at src/libcore/panicking.rs:101 [INFO] [stdout] 13: 0x564c808ef213 - core::option::expect_none_failed::hfcafefc70a7975bb [INFO] [stdout] at src/libcore/option.rs:1272 [INFO] [stdout] 14: 0x564c8089a4d3 - core::result::Result::expect::h0af1c064e3ebfff4 [INFO] [stdout] 15: 0x564c808be5e1 - rust_out::main::hce5147e828914a17 [INFO] [stdout] 16: 0x564c80894d33 - std::rt::lang_start::{{closure}}::hce2334a302f4a64d [INFO] [stdout] 17: 0x564c808d2168 - std::rt::lang_start_internal::{{closure}}::hefb489d56a389b75 [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 18: 0x564c808d2168 - std::panicking::try::do_call::hb2bfa58b743656f1 [INFO] [stdout] at src/libstd/panicking.rs:297 [INFO] [stdout] 19: 0x564c808d2168 - std::panicking::try::haaa85a89ce3784c3 [INFO] [stdout] at src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x564c808d2168 - std::panic::catch_unwind::h49baa277f74e60cb [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x564c808d2168 - std::rt::lang_start_internal::h7aa2f6739b31fe58 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 22: 0x564c80894d18 - std::rt::lang_start::h67316abdc649cab9 [INFO] [stdout] 23: 0x564c808bf15b - main [INFO] [stdout] 24: 0x7feacfa0b0b3 - __libc_start_main [INFO] [stdout] 25: 0x564c8088c17e - _start [INFO] [stdout] 26: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/apply.rs - apply::Apply (line 14) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 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" "1cfdd56840e95a6910818b0ad3d679cf23002586cab319fff4b309adf40a6439", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cfdd56840e95a6910818b0ad3d679cf23002586cab319fff4b309adf40a6439", kill_on_drop: false }` [INFO] [stdout] 1cfdd56840e95a6910818b0ad3d679cf23002586cab319fff4b309adf40a6439