[INFO] fetching crate cex 0.5.2...
[INFO] testing cex-0.5.2 against 1.69.0 for beta-1.70-1
[INFO] extracting crate cex 0.5.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cex 0.5.2 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cex 0.5.2
[INFO] finished tweaking crates.io crate cex 0.5.2
[INFO] tweaked toml for crates.io crate cex 0.5.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cex_derive v0.5.2
[INFO] [stderr]   Downloaded enumx v0.4.3
[INFO] [stderr]   Downloaded enumx_derive v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d60b8b0090e15a1827c28f5c0d1cc2ee22aa7f8ab71d2a2da16119064b02d9e
[INFO] running `Command { std: "docker" "start" "-a" "2d60b8b0090e15a1827c28f5c0d1cc2ee22aa7f8ab71d2a2da16119064b02d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d60b8b0090e15a1827c28f5c0d1cc2ee22aa7f8ab71d2a2da16119064b02d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d60b8b0090e15a1827c28f5c0d1cc2ee22aa7f8ab71d2a2da16119064b02d9e", kill_on_drop: false }`
[INFO] [stdout] 2d60b8b0090e15a1827c28f5c0d1cc2ee22aa7f8ab71d2a2da16119064b02d9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb24df7ccc62e72a0a6b73eaf2bdbdf94c8de3ee9b87a4129c99e4b55ba7b76b
[INFO] running `Command { std: "docker" "start" "-a" "eb24df7ccc62e72a0a6b73eaf2bdbdf94c8de3ee9b87a4129c99e4b55ba7b76b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling enumx_derive v0.4.2
[INFO] [stderr]    Compiling cex_derive v0.5.2
[INFO] [stderr]    Compiling enumx v0.4.3
[INFO] [stderr]    Compiling cex v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.87s
[INFO] running `Command { std: "docker" "inspect" "eb24df7ccc62e72a0a6b73eaf2bdbdf94c8de3ee9b87a4129c99e4b55ba7b76b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb24df7ccc62e72a0a6b73eaf2bdbdf94c8de3ee9b87a4129c99e4b55ba7b76b", kill_on_drop: false }`
[INFO] [stdout] eb24df7ccc62e72a0a6b73eaf2bdbdf94c8de3ee9b87a4129c99e4b55ba7b76b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 280526a03c455d67e943f79ee02e27c14384f494b1968d2e7d422017160291b7
[INFO] running `Command { std: "docker" "start" "-a" "280526a03c455d67e943f79ee02e27c14384f494b1968d2e7d422017160291b7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cex v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `try` blocks are unstable
[INFO] [stdout]   --> tests/syntax.rs:71:66
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 #[cex] let _result: Result!( () throws A,B,C ) = try{ throws_abc()? };
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     define_tests!();
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #31436 <https://github.com/rust-lang/rust/issues/31436> for more information
[INFO] [stdout]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]    = note: for more information, see issue #65860 <https://github.com/rust-lang/rust/issues/65860>
[INFO] [stdout]    = note: this warning originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `try` blocks are unstable
[INFO] [stdout]    --> tests/syntax.rs:71:66
[INFO] [stdout]     |
[INFO] [stdout] 71  |                 #[cex] let _result: Result!( () throws A,B,C ) = try{ throws_abc()? };
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     define_tests!();
[INFO] [stdout]     |     --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #31436 <https://github.com/rust-lang/rust/issues/31436> for more information
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #65860 <https://github.com/rust-lang/rust/issues/65860>
[INFO] [stdout]     = note: this warning originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `try` blocks are unstable
[INFO] [stdout]    --> tests/syntax.rs:71:66
[INFO] [stdout]     |
[INFO] [stdout] 71  |                 #[cex] let _result: Result!( () throws A,B,C ) = try{ throws_abc()? };
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     define_tests!();
[INFO] [stdout]     |     --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #31436 <https://github.com/rust-lang/rust/issues/31436> for more information
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #65860 <https://github.com/rust-lang/rust/issues/65860>
[INFO] [stdout]     = note: this warning originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "280526a03c455d67e943f79ee02e27c14384f494b1968d2e7d422017160291b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "280526a03c455d67e943f79ee02e27c14384f494b1968d2e7d422017160291b7", kill_on_drop: false }`
[INFO] [stdout] 280526a03c455d67e943f79ee02e27c14384f494b1968d2e7d422017160291b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83163dd03350b8f6c261fce58f1eb82bf1b0605729abc76b660990b0aa0a9b18
[INFO] running `Command { std: "docker" "start" "-a" "83163dd03350b8f6c261fce58f1eb82bf1b0605729abc76b660990b0aa0a9b18", kill_on_drop: false }`
[INFO] [stderr] warning: `try` blocks are unstable
[INFO] [stderr]   --> tests/syntax.rs:71:66
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 #[cex] let _result: Result!( () throws A,B,C ) = try{ throws_abc()? };
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 90 |     define_tests!();
[INFO] [stderr]    |     --------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #31436 <https://github.com/rust-lang/rust/issues/31436> for more information
[INFO] [stderr]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]    = note: for more information, see issue #65860 <https://github.com/rust-lang/rust/issues/65860>
[INFO] [stderr]    = note: this warning originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `try` blocks are unstable
[INFO] [stderr]    --> tests/syntax.rs:71:66
[INFO] [stderr]     |
[INFO] [stderr] 71  |                 #[cex] let _result: Result!( () throws A,B,C ) = try{ throws_abc()? };
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 100 |     define_tests!();
[INFO] [stderr]     |     --------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #31436 <https://github.com/rust-lang/rust/issues/31436> for more information
[INFO] [stderr]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]     = note: for more information, see issue #65860 <https://github.com/rust-lang/rust/issues/65860>
[INFO] [stderr]     = note: this warning originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `try` blocks are unstable
[INFO] [stderr]    --> tests/syntax.rs:71:66
[INFO] [stderr]     |
[INFO] [stderr] 71  |                 #[cex] let _result: Result!( () throws A,B,C ) = try{ throws_abc()? };
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 110 |     define_tests!();
[INFO] [stderr]     |     --------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #31436 <https://github.com/rust-lang/rust/issues/31436> for more information
[INFO] [stderr]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]     = note: for more information, see issue #65860 <https://github.com/rust-lang/rust/issues/65860>
[INFO] [stderr]     = note: this warning originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `cex` (test "syntax") generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cex-a686ed20adb4ad17)
[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] [stderr]      Running tests/syntax.rs (/opt/rustwide/target/debug/deps/syntax-b446ff8fe4c41473)
[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] [stderr]      Running tests/use_cex_to_keep_local_errors_from_being_propagated_by_try_operator.rs (/opt/rustwide/target/debug/deps/use_cex_to_keep_local_errors_from_being_propagated_by_try_operator-657cfc0e228b0baf)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test returns_only_fatal_errors_v4_works ... ok
[INFO] [stdout] test returns_only_fatal_errors_v5_works ... 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 cex
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/log.rs - log (line 32) - compile ... ok
[INFO] [stdout] test src/lib.rs - Error (line 83) ... ok
[INFO] [stdout] test src/lib.rs - MapError (line 103) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "83163dd03350b8f6c261fce58f1eb82bf1b0605729abc76b660990b0aa0a9b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83163dd03350b8f6c261fce58f1eb82bf1b0605729abc76b660990b0aa0a9b18", kill_on_drop: false }`
[INFO] [stdout] 83163dd03350b8f6c261fce58f1eb82bf1b0605729abc76b660990b0aa0a9b18
