[INFO] fetching crate serialr 0.2.1...
[INFO] testing serialr-0.2.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate serialr 0.2.1 into /workspace/builds/worker-1-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serialr 0.2.1 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]     Blocking waiting for file lock on package cache
[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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] def49bf9671f6c6b586c87759ef80cf16f3a0ecc078f5248e8486e0289862f82
[INFO] running `Command { std: "docker" "start" "-a" "def49bf9671f6c6b586c87759ef80cf16f3a0ecc078f5248e8486e0289862f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "def49bf9671f6c6b586c87759ef80cf16f3a0ecc078f5248e8486e0289862f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "def49bf9671f6c6b586c87759ef80cf16f3a0ecc078f5248e8486e0289862f82", kill_on_drop: false }`
[INFO] [stdout] def49bf9671f6c6b586c87759ef80cf16f3a0ecc078f5248e8486e0289862f82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9490e7f6767c91ae1c73f279ab318e731334e819910fc4dad72dfc93a2080fa8
[INFO] running `Command { std: "docker" "start" "-a" "9490e7f6767c91ae1c73f279ab318e731334e819910fc4dad72dfc93a2080fa8", 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 1.53s
[INFO] running `Command { std: "docker" "inspect" "9490e7f6767c91ae1c73f279ab318e731334e819910fc4dad72dfc93a2080fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9490e7f6767c91ae1c73f279ab318e731334e819910fc4dad72dfc93a2080fa8", kill_on_drop: false }`
[INFO] [stdout] 9490e7f6767c91ae1c73f279ab318e731334e819910fc4dad72dfc93a2080fa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c5c1cf1909c6976b486e8f01179235571ad93d1a6c447150b0885218f45958cd
[INFO] running `Command { std: "docker" "start" "-a" "c5c1cf1909c6976b486e8f01179235571ad93d1a6c447150b0885218f45958cd", 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 1.15s
[INFO] running `Command { std: "docker" "inspect" "c5c1cf1909c6976b486e8f01179235571ad93d1a6c447150b0885218f45958cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c1cf1909c6976b486e8f01179235571ad93d1a6c447150b0885218f45958cd", kill_on_drop: false }`
[INFO] [stdout] c5c1cf1909c6976b486e8f01179235571ad93d1a6c447150b0885218f45958cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2dfcde233d0ab2178a71eabeae176da048c29546480d232398fd07612710469e
[INFO] running `Command { std: "docker" "start" "-a" "2dfcde233d0ab2178a71eabeae176da048c29546480d232398fd07612710469e", 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 0.06s
[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::float_test ... ok
[INFO] [stdout] test test::enum_derive_test ... ok
[INFO] [stdout] test test::derive_test ... ok
[INFO] [stdout] test test::invalid_test ... ok
[INFO] [stdout] test test::generics_test ... ok
[INFO] [stdout] test test::string_test ... ok
[INFO] [stdout] test test::tuple_test ... ok
[INFO] [stdout] test test::vec_test ... ok
[INFO] [stdout] test test::usize_test ... ok
[INFO] [stdout] test test::hash_map_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "2dfcde233d0ab2178a71eabeae176da048c29546480d232398fd07612710469e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dfcde233d0ab2178a71eabeae176da048c29546480d232398fd07612710469e", kill_on_drop: false }`
[INFO] [stdout] 2dfcde233d0ab2178a71eabeae176da048c29546480d232398fd07612710469e