[INFO] fetching crate petra 0.1.8...
[INFO] testing petra-0.1.8 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate petra 0.1.8 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate petra 0.1.8
[INFO] finished tweaking crates.io crate petra 0.1.8
[INFO] tweaked toml for crates.io crate petra 0.1.8 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate petra 0.1.8 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] crate crates.io crate petra 0.1.8 already has a lockfile, it will not be regenerated
[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] 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] 41b024e1a138ade254bf407e1d31e74647f6ae4b0230b6e56bc6fc131faee898
[INFO] running `Command { std: "docker" "start" "-a" "41b024e1a138ade254bf407e1d31e74647f6ae4b0230b6e56bc6fc131faee898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41b024e1a138ade254bf407e1d31e74647f6ae4b0230b6e56bc6fc131faee898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41b024e1a138ade254bf407e1d31e74647f6ae4b0230b6e56bc6fc131faee898", kill_on_drop: false }`
[INFO] [stdout] 41b024e1a138ade254bf407e1d31e74647f6ae4b0230b6e56bc6fc131faee898
[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] a5387c8bb4f240d9f8dd0f1029164399ed3acce07b0ace65976d7fdc83d2b5aa
[INFO] running `Command { std: "docker" "start" "-a" "a5387c8bb4f240d9f8dd0f1029164399ed3acce07b0ace65976d7fdc83d2b5aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling petra v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "a5387c8bb4f240d9f8dd0f1029164399ed3acce07b0ace65976d7fdc83d2b5aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5387c8bb4f240d9f8dd0f1029164399ed3acce07b0ace65976d7fdc83d2b5aa", kill_on_drop: false }`
[INFO] [stdout] a5387c8bb4f240d9f8dd0f1029164399ed3acce07b0ace65976d7fdc83d2b5aa
[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] 7ab9bb2cde59908e78a445eef6afc91fae0baf09dade29cad47cc5212b7e5de2
[INFO] running `Command { std: "docker" "start" "-a" "7ab9bb2cde59908e78a445eef6afc91fae0baf09dade29cad47cc5212b7e5de2", kill_on_drop: false }`
[INFO] [stderr]    Compiling petra v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "7ab9bb2cde59908e78a445eef6afc91fae0baf09dade29cad47cc5212b7e5de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ab9bb2cde59908e78a445eef6afc91fae0baf09dade29cad47cc5212b7e5de2", kill_on_drop: false }`
[INFO] [stdout] 7ab9bb2cde59908e78a445eef6afc91fae0baf09dade29cad47cc5212b7e5de2
[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] c135555d0c15cf3b969101ac76da09927b97fb6f3c3f3170369d2a0f2baa3b24
[INFO] running `Command { std: "docker" "start" "-a" "c135555d0c15cf3b969101ac76da09927b97fb6f3c3f3170369d2a0f2baa3b24", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/petra-f68cf95c0f703bde)
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test buffers::tests::convert ... ok
[INFO] [stdout] test buffers::tests::flagged ... ok
[INFO] [stdout] test buffers::tests::new ... ok
[INFO] [stdout] test buffers::tests::read ... ok
[INFO] [stdout] test buffers::tests::undo ... ok
[INFO] [stdout] test decode::tests::array ... ok
[INFO] [stdout] test buffers::tests::write ... ok
[INFO] [stdout] test decode::tests::bin ... ok
[INFO] [stdout] test decode::tests::boolean ... ok
[INFO] [stdout] test decode::tests::float ... ok
[INFO] [stdout] test decode::tests::map ... ok
[INFO] [stdout] test decode::tests::marker ... ok
[INFO] [stdout] test decode::tests::mismatch_array ... ok
[INFO] [stdout] test decode::tests::mismatch_ascii ... ok
[INFO] [stdout] test decode::tests::mismatch_bin ... ok
[INFO] [stdout] test decode::tests::mismatch_bool ... ok
[INFO] [stdout] test decode::tests::mismatch_float ... ok
[INFO] [stdout] test decode::tests::mismatch_map ... ok
[INFO] [stdout] test decode::tests::mismatch_signed ... ok
[INFO] [stdout] test decode::tests::mismatch_unsigned ... ok
[INFO] [stdout] test decode::tests::signed ... ok
[INFO] [stdout] test decode::tests::unsigned ... ok
[INFO] [stdout] test encode::tests::array ... ok
[INFO] [stdout] test encode::tests::ascii ... ok
[INFO] [stdout] test encode::tests::boolean ... ok
[INFO] [stdout] test encode::tests::bin ... ok
[INFO] [stdout] test encode::tests::float ... ok
[INFO] [stdout] test encode::tests::null ... ok
[INFO] [stdout] test encode::tests::signed ... ok
[INFO] [stdout] test encode::tests::terminator ... ok
[INFO] [stdout] test encode::tests::unsigned ... ok
[INFO] [stdout] test encode::tests::map ... ok
[INFO] [stdout] test decode::tests::ascii ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests petra
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test src/buffers/read.rs - buffers::read::ReadBuffer<'de>::len (line 191) ... ok
[INFO] [stdout] test src/buffers/read.rs - buffers::read::ReadBuffer<'de>::consumed (line 232) ... ok
[INFO] [stdout] test src/buffers/read.rs - buffers::read::ReadBuffer<'de>::from (line 157) ... ok
[INFO] [stdout] test src/buffers/read.rs - buffers::read::ReadBuffer<'de>::read (line 259) ... ok
[INFO] [stdout] test src/buffers/write.rs - buffers::write::WriteBuffer<'de>::into_read_buffer (line 77) ... ok
[INFO] [stdout] test src/buffers/read.rs - buffers::read::ReadBuffer<'de>::peek (line 339) ... ok
[INFO] [stdout] test src/buffers/write.rs - buffers::write::WriteBuffer (line 24) ... ok
[INFO] [stdout] test src/buffers/read.rs - buffers::read::ReadBuffer<'de>::discard (line 360) ... ok
[INFO] [stdout] test src/buffers/write.rs - buffers::write::WriteBuffer<'de>::discard (line 257) ... ok
[INFO] [stdout] test src/buffers/write.rs - buffers::write::WriteBuffer<'de>::restore (line 306) ... ok
[INFO] [stdout] test src/buffers/read.rs - buffers::read::ReadBuffer<'de>::read_and_borrow (line 283) ... ok
[INFO] [stdout] test src/buffers/write.rs - buffers::write::WriteBuffer<'de>::capacity (line 107) ... ok
[INFO] [stdout] test src/buffers/read.rs - buffers::read::ReadBuffer<'de>::restore (line 403) ... ok
[INFO] [stdout] test src/buffers/read.rs - buffers::read::ReadBuffer<'de>::remaining (line 212) ... ok
[INFO] [stdout] test src/lib.rs - (line 61) ... FAILED
[INFO] [stdout] test src/buffers/write.rs - buffers::write::WriteBuffer<'de>::write_from_slice (line 224) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... FAILED
[INFO] [stdout] test src/buffers/write.rs - buffers::write::WriteBuffer<'de>::unflag (line 354) ... ok
[INFO] [stdout] test src/encode/mod.rs - encode (line 36) ... ok
[INFO] [stdout] test src/encode/mod.rs - encode (line 58) ... ok
[INFO] [stdout] test src/buffers/write.rs - buffers::write::WriteBuffer<'de>::view (line 125) ... ok
[INFO] [stdout] test src/buffers/write.rs - buffers::write::WriteBuffer<'de>::write (line 182) ... ok
[INFO] [stdout] test src/buffers/write.rs - buffers::write::WriteBuffer<'de>::written (line 151) ... ok
[INFO] [stdout] test src/buffers/write.rs - buffers::write::WriteBuffer<'de>::from (line 54) ... ok
[INFO] [stdout] test src/buffers/read.rs - buffers::read::ReadBuffer<'de>::read_into_slice (line 308) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 61) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `petra::de`
[INFO] [stdout]    --> src/lib.rs:67:12
[INFO] [stdout]     |
[INFO] [stdout]   9 | use petra::de::Deserializer;
[INFO] [stdout]     |            ^^ could not find `de` in `petra`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 130 | #[cfg(feature = "serde")]
[INFO] [stdout]     |       ----------------- the item is gated behind the `serde` feature
[INFO] [stdout] 131 | pub mod de;
[INFO] [stdout]     |         ^^
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serde`
[INFO] [stdout]  --> src/lib.rs:63:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde::Deserialize;
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `serde`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `serde`, use `cargo add serde` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `serde` in this scope
[INFO] [stdout]   --> src/lib.rs:73:7
[INFO] [stdout]    |
[INFO] [stdout] 15 |     #[serde(borrow)]
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `deserialize` found for struct `Foo<'a>` in the current scope
[INFO] [stdout]   --> src/lib.rs:113:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Foo<'a> {
[INFO] [stdout]    | -------------- function or associated item `deserialize` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 55 |     Foo::deserialize(&mut de),
[INFO] [stdout]    |          ^^^^^^^^^^^ function or associated item not found in `Foo<'_>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 22) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `petra::ser`
[INFO] [stdout]    --> src/lib.rs:28:12
[INFO] [stdout]     |
[INFO] [stdout]   9 | use petra::ser::Serializer;
[INFO] [stdout]     |            ^^^ could not find `ser` in `petra`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 133 | #[cfg(feature = "serde")]
[INFO] [stdout]     |       ----------------- the item is gated behind the `serde` feature
[INFO] [stdout] 134 | pub mod ser;
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serde`
[INFO] [stdout]  --> src/lib.rs:24:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `serde`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `serde`, use `cargo add serde` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `serialize` found for struct `Foo` in the current scope
[INFO] [stdout]   --> src/lib.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Foo {
[INFO] [stdout]    | ---------- method `serialize` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 | foo.serialize(&mut ser);
[INFO] [stdout]    |     ^^^^^^^^^ method not found in `Foo`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 22)
[INFO] [stdout]     src/lib.rs - (line 61)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 23 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.14s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c135555d0c15cf3b969101ac76da09927b97fb6f3c3f3170369d2a0f2baa3b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c135555d0c15cf3b969101ac76da09927b97fb6f3c3f3170369d2a0f2baa3b24", kill_on_drop: false }`
[INFO] [stdout] c135555d0c15cf3b969101ac76da09927b97fb6f3c3f3170369d2a0f2baa3b24