[INFO] fetching crate giftbox 0.1.1...
[INFO] testing giftbox-0.1.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate giftbox 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate giftbox 0.1.1
[INFO] finished tweaking crates.io crate giftbox 0.1.1
[INFO] tweaked toml for crates.io crate giftbox 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate giftbox 0.1.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dba54bae75189075a6f1ea5ac441255aea4d4f7895ef7841a958efcf6c46853c
[INFO] running `Command { std: "docker" "start" "-a" "dba54bae75189075a6f1ea5ac441255aea4d4f7895ef7841a958efcf6c46853c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dba54bae75189075a6f1ea5ac441255aea4d4f7895ef7841a958efcf6c46853c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dba54bae75189075a6f1ea5ac441255aea4d4f7895ef7841a958efcf6c46853c", kill_on_drop: false }`
[INFO] [stdout] dba54bae75189075a6f1ea5ac441255aea4d4f7895ef7841a958efcf6c46853c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31fa9c9863fb06fd6a13e43fc5b4726e81852f1c8f51d54134400d26305d3347
[INFO] running `Command { std: "docker" "start" "-a" "31fa9c9863fb06fd6a13e43fc5b4726e81852f1c8f51d54134400d26305d3347", kill_on_drop: false }`
[INFO] [stderr]    Compiling giftbox v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "31fa9c9863fb06fd6a13e43fc5b4726e81852f1c8f51d54134400d26305d3347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31fa9c9863fb06fd6a13e43fc5b4726e81852f1c8f51d54134400d26305d3347", kill_on_drop: false }`
[INFO] [stdout] 31fa9c9863fb06fd6a13e43fc5b4726e81852f1c8f51d54134400d26305d3347
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a8e44ab3344c137a03488b0ea49b3404a25b396dfaad369bbea2e5f58180769
[INFO] running `Command { std: "docker" "start" "-a" "0a8e44ab3344c137a03488b0ea49b3404a25b396dfaad369bbea2e5f58180769", kill_on_drop: false }`
[INFO] [stderr]    Compiling giftbox v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "0a8e44ab3344c137a03488b0ea49b3404a25b396dfaad369bbea2e5f58180769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a8e44ab3344c137a03488b0ea49b3404a25b396dfaad369bbea2e5f58180769", kill_on_drop: false }`
[INFO] [stdout] 0a8e44ab3344c137a03488b0ea49b3404a25b396dfaad369bbea2e5f58180769
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7aa2059a60628302b17c989a5fcf7db6b75789d8beb9b564fd01f97ab9e4d37
[INFO] running `Command { std: "docker" "start" "-a" "e7aa2059a60628302b17c989a5fcf7db6b75789d8beb9b564fd01f97ab9e4d37", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/giftbox-ab43a1b18b3e1bca)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test giftbox::test::filling_box ... ok
[INFO] [stdout] test giftbox::test::filling_with_some ... ok
[INFO] [stdout] test giftbox::test::filling_with_none ... ok
[INFO] [stdout] test giftwrap::test::attempt_to_read_none_tag ... ok
[INFO] [stdout] test giftwrap::test::wrap_and_unwrap_gift_box ... ok
[INFO] [stdout] test giftwrap::test::wrap_and_open_gift_box_with_tag ... ok
[INFO] [stdout] test giftwrap::test::wrap_gift_box_with_tag ... ok
[INFO] [stdout] test giftwrap::test::write_and_read_tag ... ok
[INFO] [stdout] test giftbox::test::open_filled_box ... ok
[INFO] [stdout] test giftbox::test::open_empty_box_panic - should panic ... ok
[INFO] [stderr]    Doc-tests giftbox
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] warning: unexpected character `<`
[INFO] [stderr]    --> src/giftbox.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 227 | /     /// The `fill_keeping_some(t: Option<T>)` method accepts an
[INFO] [stderr] 228 | |     /// [`std::option::Option`] and returns a `GiftBox` with either `GiftBox::Gifts(Some(t))` if
[INFO] [stderr] 229 | |     /// `Some(t)` was provided or a `GiftBox::Empty` if `None` is provided.
[INFO] [stderr] 230 | |     ///
[INFO] [stderr] ...   |
[INFO] [stderr] 249 | |     /// assert_eq!(empty_box, GiftBox::Empty);
[INFO] [stderr] 250 | |     /// ```
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(rustdoc::invalid_codeblock_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test src/giftbox.rs - giftbox::GiftBox (line 160) - compile fail ... ok
[INFO] [stdout] test src/giftbox.rs - giftbox::GiftBox (line 152) ... ok
[INFO] [stdout] test src/giftbox.rs - giftbox::GiftBox (line 145) ... ok
[INFO] [stdout] test src/giftbox.rs - giftbox::GiftBox<T>::fill (line 209) ... ok
[INFO] [stdout] test src/giftbox.rs - giftbox::GiftBox (line 177) ... ok
[INFO] [stdout] test src/giftbox.rs - giftbox::GiftBox<T>::fill_keeping_some (line 239) ... ok
[INFO] [stdout] test src/giftbox.rs - giftbox::GiftBox<T>::open (line 270) ... ok
[INFO] [stdout] test src/giftbox.rs - giftbox::GiftBox (line 92) ... ok
[INFO] [stdout] test src/giftbox.rs - giftbox::GiftBox (line 59) ... ok
[INFO] [stdout] test src/giftbox.rs - giftbox::GiftBox (line 79) ... ok
[INFO] [stdout] test src/giftbox.rs - giftbox::GiftBox<T>::fill (line 215) ... ok
[INFO] [stdout] test src/giftbox.rs - giftbox::GiftBox (line 110) ... ok
[INFO] [stdout] test src/giftbox.rs - giftbox (line 10) ... ok
[INFO] [stdout] test src/giftbox.rs - giftbox::GiftBox (line 118) ... ok
[INFO] [stdout] test src/giftbox.rs - giftbox::GiftBox (line 64) ... ok
[INFO] [stdout] test src/gifttag.rs - gifttag::GiftTag (line 64) ... ok
[INFO] [stdout] test src/gifttag.rs - gifttag::GiftTag::read (line 124) ... ok
[INFO] [stdout] test src/gifttag.rs - gifttag::GiftTag (line 53) ... ok
[INFO] [stdout] test src/giftbox.rs - giftbox::GiftBox (line 100) ... ok
[INFO] [stdout] test src/giftwrap.rs - giftwrap::GiftWrap (line 51) ... ok
[INFO] [stdout] test src/gifttag.rs - gifttag (line 10) ... ok
[INFO] [stdout] test src/giftwrap.rs - giftwrap::GiftWrap (line 68) ... ok
[INFO] [stdout] test src/giftbox.rs - giftbox::GiftBox<T>::wrap (line 297) ... ok
[INFO] [stdout] test src/gifttag.rs - gifttag::GiftTag::write (line 97) ... ok
[INFO] [stdout] test src/gifttag.rs - gifttag (line 20) ... ok
[INFO] [stdout] test src/giftwrap.rs - giftwrap (line 13) ... ok
[INFO] [stdout] test src/giftwrap.rs - giftwrap::GiftWrap<T>::read_tag (line 139) ... ok
[INFO] [stdout] test src/lib.rs - (line 133) ... ok
[INFO] [stdout] test src/giftwrap.rs - giftwrap::GiftWrap<T>::unwrap (line 106) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e7aa2059a60628302b17c989a5fcf7db6b75789d8beb9b564fd01f97ab9e4d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7aa2059a60628302b17c989a5fcf7db6b75789d8beb9b564fd01f97ab9e4d37", kill_on_drop: false }`
[INFO] [stdout] e7aa2059a60628302b17c989a5fcf7db6b75789d8beb9b564fd01f97ab9e4d37