[INFO] fetching crate neon-serde4 1.0.0-1...
[INFO] testing neon-serde4-1.0.0-1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate neon-serde4 1.0.0-1 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate neon-serde4 1.0.0-1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 37 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ee6cd852fb7f296d29a6b96ff95551780ac746a3fa2fd63819fc13206485cfc
[INFO] running `Command { std: "docker" "start" "-a" "1ee6cd852fb7f296d29a6b96ff95551780ac746a3fa2fd63819fc13206485cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ee6cd852fb7f296d29a6b96ff95551780ac746a3fa2fd63819fc13206485cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee6cd852fb7f296d29a6b96ff95551780ac746a3fa2fd63819fc13206485cfc", kill_on_drop: false }`
[INFO] [stdout] 1ee6cd852fb7f296d29a6b96ff95551780ac746a3fa2fd63819fc13206485cfc
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d05bc0ad0096694d1cb23cf127cc9c6074b522c3aea7cc54e77eaa578267b557
[INFO] running `Command { std: "docker" "start" "-a" "d05bc0ad0096694d1cb23cf127cc9c6074b522c3aea7cc54e77eaa578267b557", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling linkme-impl v0.3.33
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling send_wrapper v0.6.0
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling neon-macros v1.1.1
[INFO] [stderr]    Compiling linkme v0.3.33
[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 11.30s
[INFO] running `Command { std: "docker" "inspect" "d05bc0ad0096694d1cb23cf127cc9c6074b522c3aea7cc54e77eaa578267b557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d05bc0ad0096694d1cb23cf127cc9c6074b522c3aea7cc54e77eaa578267b557", kill_on_drop: false }`
[INFO] [stdout] d05bc0ad0096694d1cb23cf127cc9c6074b522c3aea7cc54e77eaa578267b557
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ab73cbefc0d86637d07370e80e8dec20d32af5fd606ee81d6d10cf22ada0767
[INFO] running `Command { std: "docker" "start" "-a" "6ab73cbefc0d86637d07370e80e8dec20d32af5fd606ee81d6d10cf22ada0767", 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 0.54s
[INFO] running `Command { std: "docker" "inspect" "6ab73cbefc0d86637d07370e80e8dec20d32af5fd606ee81d6d10cf22ada0767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab73cbefc0d86637d07370e80e8dec20d32af5fd606ee81d6d10cf22ada0767", kill_on_drop: false }`
[INFO] [stdout] 6ab73cbefc0d86637d07370e80e8dec20d32af5fd606ee81d6d10cf22ada0767
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b790b7b7042f848a61b4684da3d0192c815175b94cdc480aea31e2356a34cf2
[INFO] running `Command { std: "docker" "start" "-a" "1b790b7b7042f848a61b4684da3d0192c815175b94cdc480aea31e2356a34cf2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/neon_serde4-1d8b9e5a4030be47)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_it_compiles ... ok
[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] [stderr]    Doc-tests neon_serde4
[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] 5 | 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] 9 | #[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] 4 | 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] 9 | #[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] 4 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[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 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "1b790b7b7042f848a61b4684da3d0192c815175b94cdc480aea31e2356a34cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b790b7b7042f848a61b4684da3d0192c815175b94cdc480aea31e2356a34cf2", kill_on_drop: false }`
[INFO] [stdout] 1b790b7b7042f848a61b4684da3d0192c815175b94cdc480aea31e2356a34cf2