[INFO] fetching crate serialr 0.2.1...
[INFO] testing serialr-0.2.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate serialr 0.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate serialr 0.2.1
[INFO] finished tweaking crates.io crate serialr 0.2.1
[INFO] tweaked toml for crates.io crate serialr 0.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serialr 0.2.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serialize_derive v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e776ead3014163822eb6ec7ee3514fbe61f02276457944c08882a03657c3568
[INFO] running `Command { std: "docker" "start" "-a" "4e776ead3014163822eb6ec7ee3514fbe61f02276457944c08882a03657c3568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e776ead3014163822eb6ec7ee3514fbe61f02276457944c08882a03657c3568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e776ead3014163822eb6ec7ee3514fbe61f02276457944c08882a03657c3568", kill_on_drop: false }`
[INFO] [stdout] 4e776ead3014163822eb6ec7ee3514fbe61f02276457944c08882a03657c3568
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdb4b12329357191958340a642c61513e2594bc7e107f47a21a70c7e42d77109
[INFO] running `Command { std: "docker" "start" "-a" "bdb4b12329357191958340a642c61513e2594bc7e107f47a21a70c7e42d77109", kill_on_drop: false }`
[INFO] [stderr]    Compiling serialize_derive v0.1.5
[INFO] [stderr]    Compiling serialr v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "bdb4b12329357191958340a642c61513e2594bc7e107f47a21a70c7e42d77109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb4b12329357191958340a642c61513e2594bc7e107f47a21a70c7e42d77109", kill_on_drop: false }`
[INFO] [stdout] bdb4b12329357191958340a642c61513e2594bc7e107f47a21a70c7e42d77109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9327e14b7ccba3c2b6c1fbd0e79049adf34cb5b89015114b5d94b747f010a6fc
[INFO] running `Command { std: "docker" "start" "-a" "9327e14b7ccba3c2b6c1fbd0e79049adf34cb5b89015114b5d94b747f010a6fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serialr v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Test1` is never constructed
[INFO] [stdout]   --> src/test.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Test1 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dict` is never constructed
[INFO] [stdout]   --> src/test.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Dict<K, V> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TestEnum` is never used
[INFO] [stdout]   --> src/test.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub enum TestEnum {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vec2` is never constructed
[INFO] [stdout]    --> src/test.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub struct Vec2<N: Any> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "9327e14b7ccba3c2b6c1fbd0e79049adf34cb5b89015114b5d94b747f010a6fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9327e14b7ccba3c2b6c1fbd0e79049adf34cb5b89015114b5d94b747f010a6fc", kill_on_drop: false }`
[INFO] [stdout] 9327e14b7ccba3c2b6c1fbd0e79049adf34cb5b89015114b5d94b747f010a6fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6fc7135ff1a8fa081a796297c5ef10f125dccf64782cf11483a89026adac4e81
[INFO] running `Command { std: "docker" "start" "-a" "6fc7135ff1a8fa081a796297c5ef10f125dccf64782cf11483a89026adac4e81", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Test1` is never constructed
[INFO] [stderr]   --> src/test.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct Test1 {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Dict` is never constructed
[INFO] [stderr]   --> src/test.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct Dict<K, V> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `TestEnum` is never used
[INFO] [stderr]   --> src/test.rs:46:10
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub enum TestEnum {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Vec2` is never constructed
[INFO] [stderr]    --> src/test.rs:152:12
[INFO] [stderr]     |
[INFO] [stderr] 152 | pub struct Vec2<N: Any> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `serialr` (lib test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serialr-e5529f11e7e82f2c)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::array_test ... ok
[INFO] [stdout] test test::enum_derive_test ... ok
[INFO] [stdout] test test::float_test ... ok
[INFO] [stdout] test test::derive_test ... ok
[INFO] [stdout] test test::generics_test ... ok
[INFO] [stdout] test test::hash_map_test ... ok
[INFO] [stdout] test test::invalid_test ... ok
[INFO] [stdout] test test::tuple_test ... ok
[INFO] [stdout] test test::string_test ... ok
[INFO] [stdout] test test::usize_test ... ok
[INFO] [stdout] test test::vec_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serialr
[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] running `Command { std: "docker" "inspect" "6fc7135ff1a8fa081a796297c5ef10f125dccf64782cf11483a89026adac4e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc7135ff1a8fa081a796297c5ef10f125dccf64782cf11483a89026adac4e81", kill_on_drop: false }`
[INFO] [stdout] 6fc7135ff1a8fa081a796297c5ef10f125dccf64782cf11483a89026adac4e81