[INFO] fetching crate tiny-serde 0.1.2...
[INFO] testing tiny-serde-0.1.2 against 1.91.0 for beta-1.92-2
[INFO] extracting crate tiny-serde 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate tiny-serde 0.1.2
[INFO] finished tweaking crates.io crate tiny-serde 0.1.2
[INFO] tweaked toml for crates.io crate tiny-serde 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiny-serde 0.1.2 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny-serde-derive v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bcca248d715d9ab15d0541d5ce809ece70ade6957595e6a85007843f12408ab
[INFO] running `Command { std: "docker" "start" "-a" "0bcca248d715d9ab15d0541d5ce809ece70ade6957595e6a85007843f12408ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bcca248d715d9ab15d0541d5ce809ece70ade6957595e6a85007843f12408ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bcca248d715d9ab15d0541d5ce809ece70ade6957595e6a85007843f12408ab", kill_on_drop: false }`
[INFO] [stdout] 0bcca248d715d9ab15d0541d5ce809ece70ade6957595e6a85007843f12408ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c50e620231b45c055c00adba82a968f81f33530e702d4532bc62f1f03a855b2f
[INFO] running `Command { std: "docker" "start" "-a" "c50e620231b45c055c00adba82a968f81f33530e702d4532bc62f1f03a855b2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling tiny-serde-derive v0.1.1
[INFO] [stderr]    Compiling tiny-serde v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.92s
[INFO] running `Command { std: "docker" "inspect" "c50e620231b45c055c00adba82a968f81f33530e702d4532bc62f1f03a855b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c50e620231b45c055c00adba82a968f81f33530e702d4532bc62f1f03a855b2f", kill_on_drop: false }`
[INFO] [stdout] c50e620231b45c055c00adba82a968f81f33530e702d4532bc62f1f03a855b2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee6eeb809e2d6a1880c345d0a0d1322f4f937c1e5b2f59d487409e15fa07e4cc
[INFO] running `Command { std: "docker" "start" "-a" "ee6eeb809e2d6a1880c345d0a0d1322f4f937c1e5b2f59d487409e15fa07e4cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-serde v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]  --> tests/integration_test.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Serialize)]
[INFO] [stdout]   |          ^^^^^^^^^ use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `my_serde_json_library`, use `cargo add my_serde_json_library` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 1 + use tiny_serde::Value;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]  --> tests/integration_test.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Serialize)]
[INFO] [stdout]   |          ^^^^^^^^^ use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `my_serde_json_library`, use `cargo add my_serde_json_library` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 1 + use tiny_serde::Value;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]   --> tests/integration_test.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Serialize)]
[INFO] [stdout]    |          ^^^^^^^^^ use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `my_serde_json_library`, use `cargo add my_serde_json_library` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout]  1 + use tiny_serde::Value;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]   --> tests/integration_test.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Serialize)]
[INFO] [stdout]    |          ^^^^^^^^^ use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `my_serde_json_library`, use `cargo add my_serde_json_library` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout]  1 + use tiny_serde::Value;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]   --> tests/integration_test.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Serialize)]
[INFO] [stdout]    |          ^^^^^^^^^ use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `my_serde_json_library`, use `cargo add my_serde_json_library` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout]  1 + use tiny_serde::Value;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]   --> tests/integration_test.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Serialize)]
[INFO] [stdout]    |          ^^^^^^^^^ use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `my_serde_json_library`, use `cargo add my_serde_json_library` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout]  1 + use tiny_serde::Value;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]   --> tests/integration_test.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[derive(Serialize)]
[INFO] [stdout]    |          ^^^^^^^^^ use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `my_serde_json_library`, use `cargo add my_serde_json_library` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout]  1 + use tiny_serde::Value;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]  --> tests/integration_test.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Serialize)]
[INFO] [stdout]   |          ^^^^^^^^^ use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `my_serde_json_library`, use `cargo add my_serde_json_library` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]  --> tests/integration_test.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Serialize)]
[INFO] [stdout]   |          ^^^^^^^^^ use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `my_serde_json_library`, use `cargo add my_serde_json_library` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]   --> tests/integration_test.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Serialize)]
[INFO] [stdout]    |          ^^^^^^^^^ use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `my_serde_json_library`, use `cargo add my_serde_json_library` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]   --> tests/integration_test.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Serialize)]
[INFO] [stdout]    |          ^^^^^^^^^ use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `my_serde_json_library`, use `cargo add my_serde_json_library` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]   --> tests/integration_test.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Serialize)]
[INFO] [stdout]    |          ^^^^^^^^^ use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `my_serde_json_library`, use `cargo add my_serde_json_library` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]   --> tests/integration_test.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Serialize)]
[INFO] [stdout]    |          ^^^^^^^^^ use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `my_serde_json_library`, use `cargo add my_serde_json_library` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]   --> tests/integration_test.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[derive(Serialize)]
[INFO] [stdout]    |          ^^^^^^^^^ use of unresolved module or unlinked crate `my_serde_json_library`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `my_serde_json_library`, use `cargo add my_serde_json_library` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tiny-serde` (test "integration_test") due to 14 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ee6eeb809e2d6a1880c345d0a0d1322f4f937c1e5b2f59d487409e15fa07e4cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee6eeb809e2d6a1880c345d0a0d1322f4f937c1e5b2f59d487409e15fa07e4cc", kill_on_drop: false }`
[INFO] [stdout] ee6eeb809e2d6a1880c345d0a0d1322f4f937c1e5b2f59d487409e15fa07e4cc