[INFO] fetching crate serde_syn 0.1.0...
[INFO] testing serde_syn-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate serde_syn 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate serde_syn 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_syn 0.1.0
[INFO] finished tweaking crates.io crate serde_syn 0.1.0
[INFO] tweaked toml for crates.io crate serde_syn 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate serde_syn 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded serde_bytes v0.11.2
[INFO] [stderr]   Downloaded serde v1.0.99
[INFO] [stderr]   Downloaded serde_derive v1.0.99
[INFO] [stderr]   Downloaded proc-macro2 v1.0.1
[INFO] [stderr]   Downloaded syn v1.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9768625b6f1ed433d3a3e3e6ab4bff10296c584ad5a6b7e3922cb2800d621cac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9768625b6f1ed433d3a3e3e6ab4bff10296c584ad5a6b7e3922cb2800d621cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9768625b6f1ed433d3a3e3e6ab4bff10296c584ad5a6b7e3922cb2800d621cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9768625b6f1ed433d3a3e3e6ab4bff10296c584ad5a6b7e3922cb2800d621cac", kill_on_drop: false }`
[INFO] [stdout] 9768625b6f1ed433d3a3e3e6ab4bff10296c584ad5a6b7e3922cb2800d621cac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3da4a113128952a0600d82bb3681199b74122ff8b2c3cfcf43b21b4762abf561
[INFO] running `Command { std: "docker" "start" "-a" "3da4a113128952a0600d82bb3681199b74122ff8b2c3cfcf43b21b4762abf561", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling syn v1.0.4
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_syn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:74:32
[INFO] [stdout]    |
[INFO] [stdout] 74 |             Error::Syn(e) => e.description(),
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.06s
[INFO] running `Command { std: "docker" "inspect" "3da4a113128952a0600d82bb3681199b74122ff8b2c3cfcf43b21b4762abf561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3da4a113128952a0600d82bb3681199b74122ff8b2c3cfcf43b21b4762abf561", kill_on_drop: false }`
[INFO] [stdout] 3da4a113128952a0600d82bb3681199b74122ff8b2c3cfcf43b21b4762abf561
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c76262ccd29761f8c22e5844651f765787171a79594ac6ffc1320b5535ecda44
[INFO] running `Command { std: "docker" "start" "-a" "c76262ccd29761f8c22e5844651f765787171a79594ac6ffc1320b5535ecda44", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_bytes v0.11.2
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:74:32
[INFO] [stdout]    |
[INFO] [stdout] 74 |             Error::Syn(e) => e.description(),
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_syn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/simple_structs.rs:84:37
[INFO] [stdout]    |
[INFO] [stdout] 84 |     struct Foo { field: Option<()> };
[INFO] [stdout]    |                                     ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:74:32
[INFO] [stdout]    |
[INFO] [stdout] 74 |             Error::Syn(e) => e.description(),
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.78s
[INFO] running `Command { std: "docker" "inspect" "c76262ccd29761f8c22e5844651f765787171a79594ac6ffc1320b5535ecda44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c76262ccd29761f8c22e5844651f765787171a79594ac6ffc1320b5535ecda44", kill_on_drop: false }`
[INFO] [stdout] c76262ccd29761f8c22e5844651f765787171a79594ac6ffc1320b5535ecda44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fe570cbfda8db903dc938d734586d0c5ceebcd1aba333af9e961cfbdd623ae56
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fe570cbfda8db903dc938d734586d0c5ceebcd1aba333af9e961cfbdd623ae56", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout] 
[INFO] [stderr]   --> src/error.rs:74:32
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 74 |             Error::Syn(e) => e.description(),
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] running 11 tests
[INFO] [stderr] 
[INFO] [stderr] warning: `serde_syn` (lib) generated 1 warning
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> tests/simple_structs.rs:84:37
[INFO] [stderr]    |
[INFO] [stderr] 84 |     struct Foo { field: Option<()> };
[INFO] [stderr]    |                                     ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `serde_syn` (test "simple_structs") generated 1 warning
[INFO] [stderr] warning: `serde_syn` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_syn-549845345a123dbc)
[INFO] [stderr]      Running tests/maps.rs (/opt/rustwide/target/debug/deps/maps-753c3e0442943dad)
[INFO] [stdout] test attriblike ... ok
[INFO] [stdout] test jsonlike ... ok
[INFO] [stdout] test ident_errors ... ok
[INFO] [stdout] test identifiers ... ok
[INFO] [stdout] test matchlike ... ok
[INFO] [stdout] test unnamed_enum ... ok
[INFO] [stdout] test named_enum ... ok
[INFO] [stdout] test tuple_list ... ok
[INFO] [stdout] test structlike ... ok
[INFO] [stdout] test utils::assert_parse_can_fail - should panic ... ok
[INFO] [stdout] test utils::assert_nparse_can_fail - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/primatives.rs (/opt/rustwide/target/debug/deps/primatives-3df9e4170124bdcc)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test int ... ok
[INFO] [stdout] test neg_overflow_error ... ok
[INFO] [stdout] test mismatched_tag_error ... ok
[INFO] [stdout] test neg_to_uint_error ... ok
[INFO] [stdout] test neg_float ... ok
[INFO] [stdout] test suffixed_uint ... ok
[INFO] [stdout] test float ... ok
[INFO] [stdout] test uint ... ok
[INFO] [stdout] test bool ... ok
[INFO] [stdout] test char ... ok
[INFO] [stdout] test suffixed_int ... ok
[INFO] [stdout] test suffixed_float ... ok
[INFO] [stdout] test overflow_error ... ok
[INFO] [stdout] test utils::assert_parse_can_fail - should panic ... ok
[INFO] [stdout] test utils::assert_nparse_can_fail - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/seq.rs (/opt/rustwide/target/debug/deps/seq-44b666a7a210d25a)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test empty_array ... ok
[INFO] [stdout] test tuple ... ok
[INFO] [stdout] test trailing_comma ... ok
[INFO] [stdout] test tuple_struct ... ok
[INFO] [stdout] test string_array ... ok
[INFO] [stdout] test tuple_struct_errors ... ok
[INFO] [stdout] test tuple_enum ... ok
[INFO] [stdout] test utils::assert_nparse_can_fail - should panic ... ok
[INFO] [stdout] test utils::assert_parse_can_fail - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/simple_structs.rs (/opt/rustwide/target/debug/deps/simple_structs-d5f60256d9f6a664)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test unit ... ok
[INFO] [stdout] test bare_some_error ... ok
[INFO] [stdout] test option_none ... ok
[INFO] [stdout] test none_extra_tokens_error ... ok
[INFO] [stdout] test newtype_enum ... ok
[INFO] [stdout] test newtype_struct ... ok
[INFO] [stdout] test unit_struct ... ok
[INFO] [stdout] test option_name_error ... ok
[INFO] [stdout] test newtype_struct_errors ... ok
[INFO] [stdout] test prefixed_option ... ok
[INFO] [stdout] test option_some ... ok
[INFO] [stdout] test nested_option ... ok
[INFO] [stdout] test unit_nonempty_error ... ok
[INFO] [stdout] test unit_nontuple_error ... ok
[INFO] [stdout] test some_extra_tokens_error ... ok
[INFO] [stdout] test unit_struct_errors ... ok
[INFO] [stdout] test option_unit ... ok
[INFO] [stdout] test unit_enum ... ok
[INFO] [stdout] test utils::assert_nparse_can_fail - should panic ... ok
[INFO] [stdout] test utils::assert_parse_can_fail - should panic ... ok
[INFO] [stderr]      Running tests/strings.rs (/opt/rustwide/target/debug/deps/strings-6f532459f87dc56a)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test byte_string ... ok
[INFO] [stdout] test unicode_string ... ok
[INFO] [stdout] test array_type_errors ... ok
[INFO] [stdout] test empty_string ... ok
[INFO] [stdout] test utils::assert_parse_can_fail - should panic ... ok
[INFO] [stderr]      Running tests/utils.rs (/opt/rustwide/target/debug/deps/utils-1edc8d61223c8aef)
[INFO] [stdout] test utils::assert_nparse_can_fail - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test assert_nparse_can_fail - should panic ... ok
[INFO] [stdout] test assert_parse_can_fail - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_syn
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - from_stream (line 151) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/error.rs - error::Error::to_syn (line 33) ... ok
[INFO] [stdout] test src/lib.rs - parser (line 120) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fe570cbfda8db903dc938d734586d0c5ceebcd1aba333af9e961cfbdd623ae56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe570cbfda8db903dc938d734586d0c5ceebcd1aba333af9e961cfbdd623ae56", kill_on_drop: false }`
[INFO] [stdout] fe570cbfda8db903dc938d734586d0c5ceebcd1aba333af9e961cfbdd623ae56