[INFO] fetching crate mcnbt 2.0.0... [INFO] testing mcnbt-2.0.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8 [INFO] extracting crate mcnbt 2.0.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate mcnbt 2.0.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate mcnbt 2.0.0 [INFO] tweaked toml for crates.io crate mcnbt 2.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mcnbt 2.0.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mcnbt 2.0.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 68da73a0694fbac4fddcc115a939de435922dd594bf265faad14c3e016c8ea8d [INFO] running `Command { std: "docker" "start" "-a" "68da73a0694fbac4fddcc115a939de435922dd594bf265faad14c3e016c8ea8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "68da73a0694fbac4fddcc115a939de435922dd594bf265faad14c3e016c8ea8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68da73a0694fbac4fddcc115a939de435922dd594bf265faad14c3e016c8ea8d", kill_on_drop: false }` [INFO] [stdout] 68da73a0694fbac4fddcc115a939de435922dd594bf265faad14c3e016c8ea8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fb5e3b9f2d0c8f8a2ca35d41865bc77bb4fc5c0c616871b48488bff37748b372 [INFO] running `Command { std: "docker" "start" "-a" "fb5e3b9f2d0c8f8a2ca35d41865bc77bb4fc5c0c616871b48488bff37748b372", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling residua-cesu8 v2.0.0 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling residua-mutf8 v2.0.0 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.90 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling mcnbt v2.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.65s [INFO] running `Command { std: "docker" "inspect" "fb5e3b9f2d0c8f8a2ca35d41865bc77bb4fc5c0c616871b48488bff37748b372", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb5e3b9f2d0c8f8a2ca35d41865bc77bb4fc5c0c616871b48488bff37748b372", kill_on_drop: false }` [INFO] [stdout] fb5e3b9f2d0c8f8a2ca35d41865bc77bb4fc5c0c616871b48488bff37748b372 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e5f1ce1bd6bfec8dea7796abffa09aeda3fdd9218067b3d2417c7b0920c171ec [INFO] running `Command { std: "docker" "start" "-a" "e5f1ce1bd6bfec8dea7796abffa09aeda3fdd9218067b3d2417c7b0920c171ec", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.215 [INFO] [stderr] Compiling serde_json v1.0.133 [INFO] [stderr] Compiling ryu v1.0.18 [INFO] [stderr] Compiling itoa v1.0.14 [INFO] [stderr] Compiling mcnbt v2.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 6.45s [INFO] running `Command { std: "docker" "inspect" "e5f1ce1bd6bfec8dea7796abffa09aeda3fdd9218067b3d2417c7b0920c171ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5f1ce1bd6bfec8dea7796abffa09aeda3fdd9218067b3d2417c7b0920c171ec", kill_on_drop: false }` [INFO] [stdout] e5f1ce1bd6bfec8dea7796abffa09aeda3fdd9218067b3d2417c7b0920c171ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 94cc1037562d9f06a65575af938298fb9680126b2cd06cea6acaebb309677e2f [INFO] running `Command { std: "docker" "start" "-a" "94cc1037562d9f06a65575af938298fb9680126b2cd06cea6acaebb309677e2f", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcnbt-5979659c773e3fa2) [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test parser::test::byte ... ok [INFO] [stdout] test parser::test::byte_array ... ok [INFO] [stdout] test parser::test::empty_list ... ok [INFO] [stdout] test parser::test::double ... ok [INFO] [stdout] test parser::test::compound ... ok [INFO] [stdout] test parser::test::float ... ok [INFO] [stdout] test parser::test::int ... ok [INFO] [stdout] test parser::test::int_array ... ok [INFO] [stdout] test parser::test::list ... ok [INFO] [stdout] test parser::test::string ... ok [INFO] [stdout] test parser::test::long ... ok [INFO] [stderr] Doc-tests mcnbt [INFO] [stdout] test parser::test::short ... ok [INFO] [stdout] test parser::test::long_array ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 18 tests [INFO] [stdout] test src/lib.rs - (line 91) ... FAILED [INFO] [stdout] test src/tag.rs - tag::nbt (line 508) ... ok [INFO] [stdout] test src/tag.rs - tag::long (line 620) ... ok [INFO] [stdout] test src/tag.rs - tag::Tag::name (line 153) ... ok [INFO] [stdout] test src/tag.rs - tag::list (line 790) ... ok [INFO] [stdout] test src/tag.rs - tag::long_array (line 944) ... ok [INFO] [stdout] test src/lib.rs - (line 33) ... ok [INFO] [stdout] test src/tag.rs - tag::byte_array (line 704) ... ok [INFO] [stdout] test src/tag.rs - tag::float (line 648) ... ok [INFO] [stdout] test src/tag.rs - tag::double (line 676) ... ok [INFO] [stdout] test src/lib.rs - (line 21) ... ok [INFO] [stdout] test src/tag.rs - tag::list (line 760) ... ok [INFO] [stdout] test src/tag.rs - tag::int_array (line 916) ... ok [INFO] [stdout] test src/tag.rs - tag::short (line 564) ... ok [INFO] [stdout] test src/tag.rs - tag::int (line 592) ... ok [INFO] [stdout] test src/tag.rs - tag::compound (line 862) ... ok [INFO] [stdout] test src/tag.rs - tag::string (line 732) ... ok [INFO] [stdout] test src/tag.rs - tag::byte (line 536) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 91) stdout ---- [INFO] [stdout] error[E0277]: the trait bound `Tag: serde::ser::Serialize` is not satisfied [INFO] [stdout] --> src/lib.rs:115:27 [INFO] [stdout] | [INFO] [stdout] 115 | serde_json::to_string(&data).unwrap(), [INFO] [stdout] | --------------------- ^^^^^ the trait `serde::ser::Serialize` is not implemented for `Tag` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = note: for local types consider adding `#[derive(serde::Serialize)]` to your `Tag` type [INFO] [stdout] = note: for types from other crates check whether the crate offers a `serde` feature flag [INFO] [stdout] = help: the following other types implement trait `serde::ser::Serialize`: [INFO] [stdout] &'a T [INFO] [stdout] &'a mut T [INFO] [stdout] () [INFO] [stdout] (T,) [INFO] [stdout] (T0, T1) [INFO] [stdout] (T0, T1, T2) [INFO] [stdout] (T0, T1, T2, T3) [INFO] [stdout] (T0, T1, T2, T3, T4) [INFO] [stdout] and 131 others [INFO] [stdout] note: required by a bound in `serde_json::to_string` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.133/src/ser.rs:2211:17 [INFO] [stdout] | [INFO] [stdout] 2209 | pub fn to_string(value: &T) -> Result [INFO] [stdout] | --------- required by a bound in this function [INFO] [stdout] 2210 | where [INFO] [stdout] 2211 | T: ?Sized + Serialize, [INFO] [stdout] | ^^^^^^^^^ required by this bound in `to_string` [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 91) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 17 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.12s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "94cc1037562d9f06a65575af938298fb9680126b2cd06cea6acaebb309677e2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94cc1037562d9f06a65575af938298fb9680126b2cd06cea6acaebb309677e2f", kill_on_drop: false }` [INFO] [stdout] 94cc1037562d9f06a65575af938298fb9680126b2cd06cea6acaebb309677e2f