[INFO] fetching crate cpython-json 0.3.0...
[INFO] testing cpython-json-0.3.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate cpython-json 0.3.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate cpython-json 0.3.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cpython-json 0.3.0
[INFO] finished tweaking crates.io crate cpython-json 0.3.0
[INFO] tweaked toml for crates.io crate cpython-json 0.3.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9de388270adb51db03607622192cbda4197fa50b11f5a06d10959a672ce7604
[INFO] running `Command { std: "docker" "start" "-a" "c9de388270adb51db03607622192cbda4197fa50b11f5a06d10959a672ce7604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9de388270adb51db03607622192cbda4197fa50b11f5a06d10959a672ce7604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9de388270adb51db03607622192cbda4197fa50b11f5a06d10959a672ce7604", kill_on_drop: false }`
[INFO] [stdout] c9de388270adb51db03607622192cbda4197fa50b11f5a06d10959a672ce7604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4201a03c9673c885a28bbf93a76bcf81875bda88cf931e1cce93fb95aec353f
[INFO] running `Command { std: "docker" "start" "-a" "e4201a03c9673c885a28bbf93a76bcf81875bda88cf931e1cce93fb95aec353f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling cpython v0.2.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling python3-sys v0.2.1
[INFO] [stderr]    Compiling cpython-json v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:202:40
[INFO] [stdout]     |
[INFO] [stdout] 202 |           |x: &PyList| Ok(Value::Array(try!(x.iter(py).map(|x| to_json(py, &x)).collect()))));
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:204:41
[INFO] [stdout]     |
[INFO] [stdout] 204 |           |x: &PyTuple| Ok(Value::Array(try!(x.iter(py).map(|x| to_json(py, x)).collect()))));
[INFO] [stdout]     |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.33s
[INFO] running `Command { std: "docker" "inspect" "e4201a03c9673c885a28bbf93a76bcf81875bda88cf931e1cce93fb95aec353f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4201a03c9673c885a28bbf93a76bcf81875bda88cf931e1cce93fb95aec353f", kill_on_drop: false }`
[INFO] [stdout] e4201a03c9673c885a28bbf93a76bcf81875bda88cf931e1cce93fb95aec353f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf24297ad7ba3d4c15cf76cfe272029a04933b3998b5482c06483b186b3cc08a
[INFO] running `Command { std: "docker" "start" "-a" "cf24297ad7ba3d4c15cf76cfe272029a04933b3998b5482c06483b186b3cc08a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpython-json v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:202:40
[INFO] [stdout]     |
[INFO] [stdout] 202 |           |x: &PyList| Ok(Value::Array(try!(x.iter(py).map(|x| to_json(py, &x)).collect()))));
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:204:41
[INFO] [stdout]     |
[INFO] [stdout] 204 |           |x: &PyTuple| Ok(Value::Array(try!(x.iter(py).map(|x| to_json(py, x)).collect()))));
[INFO] [stdout]     |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:202:40
[INFO] [stdout]     |
[INFO] [stdout] 202 |           |x: &PyList| Ok(Value::Array(try!(x.iter(py).map(|x| to_json(py, &x)).collect()))));
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:204:41
[INFO] [stdout]     |
[INFO] [stdout] 204 |           |x: &PyTuple| Ok(Value::Array(try!(x.iter(py).map(|x| to_json(py, x)).collect()))));
[INFO] [stdout]     |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "cf24297ad7ba3d4c15cf76cfe272029a04933b3998b5482c06483b186b3cc08a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf24297ad7ba3d4c15cf76cfe272029a04933b3998b5482c06483b186b3cc08a", kill_on_drop: false }`
[INFO] [stdout] cf24297ad7ba3d4c15cf76cfe272029a04933b3998b5482c06483b186b3cc08a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e09f2bb39a26215ffaa4d0b6a5a548744bea2ebf859b090bfcd958aad2afcf56
[INFO] running `Command { std: "docker" "start" "-a" "e09f2bb39a26215ffaa4d0b6a5a548744bea2ebf859b090bfcd958aad2afcf56", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:202:40
[INFO] [stderr]     |
[INFO] [stderr] 202 |           |x: &PyList| Ok(Value::Array(try!(x.iter(py).map(|x| to_json(py, &x)).collect()))));
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:204:41
[INFO] [stderr]     |
[INFO] [stderr] 204 |           |x: &PyTuple| Ok(Value::Array(try!(x.iter(py).map(|x| to_json(py, x)).collect()))));
[INFO] [stderr]     |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:202:40
[INFO] [stderr]     |
[INFO] [stderr] 202 |           |x: &PyList| Ok(Value::Array(try!(x.iter(py).map(|x| to_json(py, &x)).collect()))));
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:204:41
[INFO] [stderr]     |
[INFO] [stderr] 204 |           |x: &PyTuple| Ok(Value::Array(try!(x.iter(py).map(|x| to_json(py, x)).collect()))));
[INFO] [stderr]     |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cpython_json-1b6587b70fa9758f)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_to_pyerr_dkns ... ok
[INFO] [stdout] test tests::test_jsonerror_debug ... ok
[INFO] [stdout] test tests::test_to_pyerr_type_failed_repr ... ok
[INFO] [stdout] test tests::test_to_pyerr_python ... ok
[INFO] [stdout] test tests::test_json ... ok
[INFO] [stdout] test tests::test_unserializable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cpython-json
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e09f2bb39a26215ffaa4d0b6a5a548744bea2ebf859b090bfcd958aad2afcf56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e09f2bb39a26215ffaa4d0b6a5a548744bea2ebf859b090bfcd958aad2afcf56", kill_on_drop: false }`
[INFO] [stdout] e09f2bb39a26215ffaa4d0b6a5a548744bea2ebf859b090bfcd958aad2afcf56