[INFO] fetching crate serde-ndim 2.2.0...
[INFO] testing serde-ndim-2.2.0 against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] extracting crate serde-ndim 2.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate serde-ndim 2.2.0
[INFO] finished tweaking crates.io crate serde-ndim 2.2.0
[INFO] tweaked toml for crates.io crate serde-ndim 2.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-ndim 2.2.0 on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde-ndim 2.2.0 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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e434f08ee59d4663d6b2dc960ef21025e4deb18a1b75c3f2be08c918bea90ec5
[INFO] running `Command { std: "docker" "start" "-a" "e434f08ee59d4663d6b2dc960ef21025e4deb18a1b75c3f2be08c918bea90ec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e434f08ee59d4663d6b2dc960ef21025e4deb18a1b75c3f2be08c918bea90ec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e434f08ee59d4663d6b2dc960ef21025e4deb18a1b75c3f2be08c918bea90ec5", kill_on_drop: false }`
[INFO] [stdout] e434f08ee59d4663d6b2dc960ef21025e4deb18a1b75c3f2be08c918bea90ec5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 4c879568788e7a5eec4c233a3f21895cbef07f97bb2948df47a5f603f1fc698d
[INFO] running `Command { std: "docker" "start" "-a" "4c879568788e7a5eec4c233a3f21895cbef07f97bb2948df47a5f603f1fc698d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-ndim v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "4c879568788e7a5eec4c233a3f21895cbef07f97bb2948df47a5f603f1fc698d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c879568788e7a5eec4c233a3f21895cbef07f97bb2948df47a5f603f1fc698d", kill_on_drop: false }`
[INFO] [stdout] 4c879568788e7a5eec4c233a3f21895cbef07f97bb2948df47a5f603f1fc698d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 2c6f9b5092ce8a2fa26d2bcd7ca7e4718e9385cc0e6c5da45a1b5431cf93c0c7
[INFO] running `Command { std: "docker" "start" "-a" "2c6f9b5092ce8a2fa26d2bcd7ca7e4718e9385cc0e6c5da45a1b5431cf93c0c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.104
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling zmij v1.0.0
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling tempfile v3.24.0
[INFO] [stderr]    Compiling serde_json v1.0.148
[INFO] [stderr]    Compiling insta v1.45.0
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling format_serde_error v0.3.0
[INFO] [stderr]    Compiling serde-ndim v2.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TestWrapper` is never constructed
[INFO] [stdout]   --> src/lib.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub(crate) struct TestWrapper<A>(#[serde(with = "crate")] pub(crate) A);
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_roundtrip` is never used
[INFO] [stdout]   --> src/lib.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub(crate) fn test_roundtrip<A: crate::de::MakeNDim>(
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.50s
[INFO] running `Command { std: "docker" "inspect" "2c6f9b5092ce8a2fa26d2bcd7ca7e4718e9385cc0e6c5da45a1b5431cf93c0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c6f9b5092ce8a2fa26d2bcd7ca7e4718e9385cc0e6c5da45a1b5431cf93c0c7", kill_on_drop: false }`
[INFO] [stdout] 2c6f9b5092ce8a2fa26d2bcd7ca7e4718e9385cc0e6c5da45a1b5431cf93c0c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 92910a0f7db3a70456bdb28bc774fdc27de5f6acff93ae073a3c233e3250c18b
[INFO] running `Command { std: "docker" "start" "-a" "92910a0f7db3a70456bdb28bc774fdc27de5f6acff93ae073a3c233e3250c18b", kill_on_drop: false }`
[INFO] [stderr] warning: struct `TestWrapper` is never constructed
[INFO] [stderr]   --> src/lib.rs:34:23
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub(crate) struct TestWrapper<A>(#[serde(with = "crate")] pub(crate) A);
[INFO] [stderr]    |                       ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_roundtrip` is never used
[INFO] [stderr]   --> src/lib.rs:36:19
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub(crate) fn test_roundtrip<A: crate::de::MakeNDim>(
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `serde-ndim` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/serde-ndim/703e00405876370f/deps/serde_ndim-703e00405876370f)
[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_ndim
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 50) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 50) stdout ----
[INFO] [stdout] error[E0277]: the trait bound `&_: NDim` is not satisfied
[INFO] [stdout]   --> src/lib.rs:54:23
[INFO] [stdout]    |
[INFO] [stdout] 54 | #[derive(Deserialize, Serialize)]
[INFO] [stdout]    |                       ^^^^^^^^^ the trait `NDim` is not implemented for `&_`
[INFO] [stdout] 55 | struct MyStruct {
[INFO] [stdout] 56 |     #[serde(with = "serde_ndim")]
[INFO] [stdout]    |                    ------------ required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `serde_ndim::serialize`
[INFO] [stdout]   --> src/ser.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn serialize<'a, A, S: Serializer>(array: &'a A, serializer: S) -> Result<S::Ok, S::Error>
[INFO] [stdout]    |        --------- required by a bound in this function
[INFO] [stdout] 49 | where
[INFO] [stdout] 50 |     &'a A: NDim,
[INFO] [stdout]    |            ^^^^ required by this bound in `serialize`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `ndarray`
[INFO] [stdout]   --> src/lib.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |     ndarray: ndarray::ArrayD<f32>,
[INFO] [stdout]    |              ^^^^^^^ use of unresolved module or unlinked crate `ndarray`
[INFO] [stdout]    |
[INFO] [stdout] help: to make use of source file src/ndarray.rs, use `mod ndarray` in this file to declare the module
[INFO] [stdout]    |
[INFO] [stdout] 49 + mod ndarray;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 50)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "92910a0f7db3a70456bdb28bc774fdc27de5f6acff93ae073a3c233e3250c18b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92910a0f7db3a70456bdb28bc774fdc27de5f6acff93ae073a3c233e3250c18b", kill_on_drop: false }`
[INFO] [stdout] 92910a0f7db3a70456bdb28bc774fdc27de5f6acff93ae073a3c233e3250c18b
