[INFO] fetching crate serde-value-flatten 0.1.0... [INFO] testing serde-value-flatten-0.1.0 against 1.90.0 for beta-1.91-3 [INFO] extracting crate serde-value-flatten 0.1.0 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate serde-value-flatten 0.1.0 [INFO] finished tweaking crates.io crate serde-value-flatten 0.1.0 [INFO] tweaked toml for crates.io crate serde-value-flatten 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate serde-value-flatten 0.1.0 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 11 packages to latest compatible versions [INFO] [stderr] Adding serde-value v0.6.0 (available: v0.7.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde-value v0.6.0 [INFO] [stderr] Downloaded ordered-float v1.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 94581e05233e9da91278e8db4eaa6d98dbcfe9bfb08072deb7f05bb155bb3c16 [INFO] running `Command { std: "docker" "start" "-a" "94581e05233e9da91278e8db4eaa6d98dbcfe9bfb08072deb7f05bb155bb3c16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94581e05233e9da91278e8db4eaa6d98dbcfe9bfb08072deb7f05bb155bb3c16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94581e05233e9da91278e8db4eaa6d98dbcfe9bfb08072deb7f05bb155bb3c16", kill_on_drop: false }` [INFO] [stdout] 94581e05233e9da91278e8db4eaa6d98dbcfe9bfb08072deb7f05bb155bb3c16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4c9b66e0244e819c9fe1c879c55e4480f9c92676e1147ed162572846f516654d [INFO] running `Command { std: "docker" "start" "-a" "4c9b66e0244e819c9fe1c879c55e4480f9c92676e1147ed162572846f516654d", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling ordered-float v1.1.1 [INFO] [stderr] Compiling serde-value v0.6.0 [INFO] [stderr] Compiling serde-value-flatten v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.80s [INFO] running `Command { std: "docker" "inspect" "4c9b66e0244e819c9fe1c879c55e4480f9c92676e1147ed162572846f516654d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c9b66e0244e819c9fe1c879c55e4480f9c92676e1147ed162572846f516654d", kill_on_drop: false }` [INFO] [stdout] 4c9b66e0244e819c9fe1c879c55e4480f9c92676e1147ed162572846f516654d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] caa74106b94fdf172823cb296cdd202ac5ae7144f4c2a93dd426b7da2fac264e [INFO] running `Command { std: "docker" "start" "-a" "caa74106b94fdf172823cb296cdd202ac5ae7144f4c2a93dd426b7da2fac264e", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Compiling serde-value-flatten v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `Command { std: "docker" "inspect" "caa74106b94fdf172823cb296cdd202ac5ae7144f4c2a93dd426b7da2fac264e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "caa74106b94fdf172823cb296cdd202ac5ae7144f4c2a93dd426b7da2fac264e", kill_on_drop: false }` [INFO] [stdout] caa74106b94fdf172823cb296cdd202ac5ae7144f4c2a93dd426b7da2fac264e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ab6e379f053ceec133667b67c462efcc6c869c635428a677c8e92bceaf7a51b5 [INFO] running `Command { std: "docker" "start" "-a" "ab6e379f053ceec133667b67c462efcc6c869c635428a677c8e92bceaf7a51b5", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_value_flatten-ce03cf6cdf8262bf) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests serde_value_flatten [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - to_flatten_maptree (line 115) ... FAILED [INFO] [stdout] test src/lib.rs - (line 32) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - to_flatten_maptree (line 115) stdout ---- [INFO] [stdout] error: cannot find derive macro `Serialize` in this scope [INFO] [stdout] --> src/lib.rs:117:10 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Serialize, Clone, Debug)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error: cannot find derive macro `Serialize` in this scope [INFO] [stdout] --> src/lib.rs:123:10 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Serialize, Clone, Debug)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `Foo: serde::Serialize` is not satisfied [INFO] [stdout] --> src/lib.rs:133:66 [INFO] [stdout] | [INFO] [stdout] 20 | let ser = serde_value_flatten::to_flatten_maptree("|", None, &foo).unwrap(); [INFO] [stdout] | --------------------------------------- ^^^^ the trait `serde_core::ser::Serialize` is not implemented for `Foo` [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 `Foo` 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_core::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 127 others [INFO] [stdout] note: required by a bound in `to_flatten_maptree` [INFO] [stdout] --> /opt/rustwide/workdir/src/lib.rs:149:14 [INFO] [stdout] | [INFO] [stdout] 148 | pub fn to_flatten_maptree(key_separator: &str, prefix: Option<&str>, src: &T) -> Result src/lib.rs:135:20 [INFO] [stdout] | [INFO] [stdout] 22 | println!("{}", serde_json::to_string_pretty(&ser).unwrap()); [INFO] [stdout] | ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0433. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 32) stdout ---- [INFO] [stdout] error: cannot find derive macro `Serialize` in this scope [INFO] [stdout] --> src/lib.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Serialize, Clone, Debug)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error: cannot find derive macro `Serialize` in this scope [INFO] [stdout] --> src/lib.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Serialize, Clone, Debug)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `Foo: serde::Serialize` is not satisfied [INFO] [stdout] --> src/lib.rs:50:71 [INFO] [stdout] | [INFO] [stdout] 20 | let ser = serde_value_flatten::to_flatten_maptree("_", Some("_"), &foo).unwrap(); [INFO] [stdout] | --------------------------------------- ^^^^ the trait `serde_core::ser::Serialize` is not implemented for `Foo` [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 `Foo` 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_core::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 127 others [INFO] [stdout] note: required by a bound in `to_flatten_maptree` [INFO] [stdout] --> /opt/rustwide/workdir/src/lib.rs:149:14 [INFO] [stdout] | [INFO] [stdout] 148 | pub fn to_flatten_maptree(key_separator: &str, prefix: Option<&str>, src: &T) -> Result src/lib.rs:52:20 [INFO] [stdout] | [INFO] [stdout] 22 | println!("{}", serde_json::to_string_pretty(&ser).unwrap()); [INFO] [stdout] | ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0433. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 32) [INFO] [stdout] src/lib.rs - to_flatten_maptree (line 115) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "ab6e379f053ceec133667b67c462efcc6c869c635428a677c8e92bceaf7a51b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab6e379f053ceec133667b67c462efcc6c869c635428a677c8e92bceaf7a51b5", kill_on_drop: false }` [INFO] [stdout] ab6e379f053ceec133667b67c462efcc6c869c635428a677c8e92bceaf7a51b5