[INFO] fetching crate neon-serde4 1.0.0-1...
[INFO] testing neon-serde4-1.0.0-1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate neon-serde4 1.0.0-1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate neon-serde4 1.0.0-1
[INFO] finished tweaking crates.io crate neon-serde4 1.0.0-1
[INFO] tweaked toml for crates.io crate neon-serde4 1.0.0-1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate neon-serde4 1.0.0-1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76d7aaf8f0af80d912b20c10567ae616d69cdaeb7ee7cd11e3edaf71098c4981
[INFO] running `Command { std: "docker" "start" "-a" "76d7aaf8f0af80d912b20c10567ae616d69cdaeb7ee7cd11e3edaf71098c4981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76d7aaf8f0af80d912b20c10567ae616d69cdaeb7ee7cd11e3edaf71098c4981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76d7aaf8f0af80d912b20c10567ae616d69cdaeb7ee7cd11e3edaf71098c4981", kill_on_drop: false }`
[INFO] [stdout] 76d7aaf8f0af80d912b20c10567ae616d69cdaeb7ee7cd11e3edaf71098c4981
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38678336f6c7aa625f9331013ff95aff274e9e044cb71a5421145c26ed6a0947
[INFO] running `Command { std: "docker" "start" "-a" "38678336f6c7aa625f9331013ff95aff274e9e044cb71a5421145c26ed6a0947", kill_on_drop: false }`
[INFO] [stderr]    Compiling linkme-impl v0.3.35
[INFO] [stderr]    Compiling linkme v0.3.35
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling send_wrapper v0.6.0
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling neon-macros v1.1.1
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling neon v1.1.1
[INFO] [stderr]    Compiling neon-serde4 v1.0.0-1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.24s
[INFO] running `Command { std: "docker" "inspect" "38678336f6c7aa625f9331013ff95aff274e9e044cb71a5421145c26ed6a0947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38678336f6c7aa625f9331013ff95aff274e9e044cb71a5421145c26ed6a0947", kill_on_drop: false }`
[INFO] [stdout] 38678336f6c7aa625f9331013ff95aff274e9e044cb71a5421145c26ed6a0947
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c916c54a4f9ccbf0e67cd502779231f08fdc995fe756f5a8b1e34e3168ebf98
[INFO] running `Command { std: "docker" "start" "-a" "7c916c54a4f9ccbf0e67cd502779231f08fdc995fe756f5a8b1e34e3168ebf98", kill_on_drop: false }`
[INFO] [stderr]    Compiling neon-serde4 v1.0.0-1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "7c916c54a4f9ccbf0e67cd502779231f08fdc995fe756f5a8b1e34e3168ebf98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c916c54a4f9ccbf0e67cd502779231f08fdc995fe756f5a8b1e34e3168ebf98", kill_on_drop: false }`
[INFO] [stdout] 7c916c54a4f9ccbf0e67cd502779231f08fdc995fe756f5a8b1e34e3168ebf98
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a01f04a7af2b0a90b56faa8a9a3cddd9c6fb17dbab0987b253981e9ec7eab38
[INFO] running `Command { std: "docker" "start" "-a" "3a01f04a7af2b0a90b56faa8a9a3cddd9c6fb17dbab0987b253981e9ec7eab38", 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/neon_serde4-62b0f05b6a20a11b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_it_compiles ... ok
[INFO] [stderr]    Doc-tests neon_serde4
[INFO] [stdout] test tests::test_it_compiles_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 31) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 31) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `neon_serde2`
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use neon_serde2 as neon_serde;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ no external crate `neon_serde2`
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/lib.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[derive(Serialize, Debug, Deserialize)]
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/lib.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 | use serde::{Serialize, Deserialize};
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]   --> src/lib.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[derive(Serialize, Debug, Deserialize)]
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Deserialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/lib.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 | use serde::{Serialize, Deserialize};
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 50 |         .or_else(|e| cx.throw_error(e.to_string()))
[INFO] [stdout]    |                   ^                 - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 50 |         .or_else(|e: /* Type */| cx.throw_error(e.to_string()))
[INFO] [stdout]    |                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |         .or_else(|e| cx.throw_error(e.to_string()))
[INFO] [stdout]    |                   ^                 - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 65 |         .or_else(|e: /* Type */| cx.throw_error(e.to_string()))
[INFO] [stdout]    |                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 31)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "3a01f04a7af2b0a90b56faa8a9a3cddd9c6fb17dbab0987b253981e9ec7eab38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a01f04a7af2b0a90b56faa8a9a3cddd9c6fb17dbab0987b253981e9ec7eab38", kill_on_drop: false }`
[INFO] [stdout] 3a01f04a7af2b0a90b56faa8a9a3cddd9c6fb17dbab0987b253981e9ec7eab38
