[INFO] crate source 0.2.0 is already in cache
[INFO] testing source-0.2.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate source 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate source 0.2.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate source 0.2.0
[INFO] finished tweaking crates.io crate source 0.2.0
[INFO] tweaked toml for crates.io crate source 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fe21621bd5607ca2104864018420a824158d27582afd690e250aec5e866acee
[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" "2fe21621bd5607ca2104864018420a824158d27582afd690e250aec5e866acee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fe21621bd5607ca2104864018420a824158d27582afd690e250aec5e866acee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe21621bd5607ca2104864018420a824158d27582afd690e250aec5e866acee", kill_on_drop: false }`
[INFO] [stdout] 2fe21621bd5607ca2104864018420a824158d27582afd690e250aec5e866acee
[INFO] running `Command { std: "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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3a773ce36c8561b7f6d4784d03960ea2978b0a53af82fb0135160431025dc5c
[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" "e3a773ce36c8561b7f6d4784d03960ea2978b0a53af82fb0135160431025dc5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8-chars v0.1.4
[INFO] [stderr]    Compiling source v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "e3a773ce36c8561b7f6d4784d03960ea2978b0a53af82fb0135160431025dc5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a773ce36c8561b7f6d4784d03960ea2978b0a53af82fb0135160431025dc5c", kill_on_drop: false }`
[INFO] [stdout] e3a773ce36c8561b7f6d4784d03960ea2978b0a53af82fb0135160431025dc5c
[INFO] running `Command { std: "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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1729a6f8bcc03ab964db1b9ae15e2172e13ed72629d639f691a0a4874c6c1d99
[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" "1729a6f8bcc03ab964db1b9ae15e2172e13ed72629d639f691a0a4874c6c1d99", kill_on_drop: false }`
[INFO] [stderr]    Compiling source v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "1729a6f8bcc03ab964db1b9ae15e2172e13ed72629d639f691a0a4874c6c1d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1729a6f8bcc03ab964db1b9ae15e2172e13ed72629d639f691a0a4874c6c1d99", kill_on_drop: false }`
[INFO] [stdout] 1729a6f8bcc03ab964db1b9ae15e2172e13ed72629d639f691a0a4874c6c1d99
[INFO] running `Command { std: "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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 98ac9f7a7e5712e0991ef87e78dc9ab632c79347704c6c7becae28927d5b87ab
[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" "98ac9f7a7e5712e0991ef87e78dc9ab632c79347704c6c7becae28927d5b87ab", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/source-39c6a13188a95fd0
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test test::conversions::allows_to_convert_from_iterator ... ok
[INFO] [stdout] test test::conversions::allows_to_convert_into_iterator ... ok
[INFO] [stdout] test test::count_works ... ok
[INFO] [stdout] test test::filter_works ... ok
[INFO] [stdout] test test::flatmap_works ... ok
[INFO] [stdout] test test::flatten_works ... ok
[INFO] [stdout] test test::has_next::returns_true_for_non_empty_sources ... ok
[INFO] [stdout] test test::has_next::does_not_modify_the_source_elements ... ok
[INFO] [stdout] test test::map_works ... ok
[INFO] [stdout] test test::peek::peek_works ... ok
[INFO] [stdout] test test::peek::peeking_works_after_next ... ok
[INFO] [stdout] test test::peek::peeking_works_twice ... ok
[INFO] [stdout] test test::peek::peeking_does_not_consume_chars ... ok
[INFO] [stdout] test test::peek::allows_to_peek_ahead ... ok
[INFO] [stdout] test test::join::works_with_empty_inputs ... ok
[INFO] [stdout] test test::prepend_works ... ok
[INFO] [stdout] test test::join::works_with_both_str_and_string ... ok
[INFO] [stdout] test test::source_macro::allows_to_create_sources_with_one_element ... ok
[INFO] [stdout] test test::source_macro::allows_to_replicate_a_given_element ... ok
[INFO] [stdout] test test::source_macro::allows_to_trailing_commas ... ok
[INFO] [stdout] test test::join::works ... ok
[INFO] [stderr]    Doc-tests source
[INFO] [stdout] test test::source_macro::allows_to_convert_from_elements ... ok
[INFO] [stdout] test test::debug::debug_converts_into_source_macro ... ok
[INFO] [stdout] test test::fold_works ... ok
[INFO] [stdout] test test::source_macro::allows_to_create_empty_sources ... ok
[INFO] [stdout] test test::concat_works ... ok
[INFO] [stdout] test test::append_works ... ok
[INFO] [stdout] test test::has_next::returns_false_for_empty_sources ... ok
[INFO] [stdout] test test::has_next::returns_false_when_all_elements_are_consumed ... ok
[INFO] [stdout] test test::debug::debug_uses_debug ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "98ac9f7a7e5712e0991ef87e78dc9ab632c79347704c6c7becae28927d5b87ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ac9f7a7e5712e0991ef87e78dc9ab632c79347704c6c7becae28927d5b87ab", kill_on_drop: false }`
[INFO] [stdout] 98ac9f7a7e5712e0991ef87e78dc9ab632c79347704c6c7becae28927d5b87ab