[INFO] fetching crate jsonpp 2.0.1...
[INFO] testing jsonpp-2.0.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate jsonpp 2.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate jsonpp 2.0.1 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 jsonpp 2.0.1
[INFO] finished tweaking crates.io crate jsonpp 2.0.1
[INFO] tweaked toml for crates.io crate jsonpp 2.0.1 written to /workspace/builds/worker-7/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filebuffer v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 9d606c6d75637372b1e886720ef85b7ebe54be5bd3eba9cc7577d60255610921
[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" "9d606c6d75637372b1e886720ef85b7ebe54be5bd3eba9cc7577d60255610921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d606c6d75637372b1e886720ef85b7ebe54be5bd3eba9cc7577d60255610921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d606c6d75637372b1e886720ef85b7ebe54be5bd3eba9cc7577d60255610921", kill_on_drop: false }`
[INFO] [stdout] 9d606c6d75637372b1e886720ef85b7ebe54be5bd3eba9cc7577d60255610921
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 34666009601e271a47e6093073b2a2f5ab923fea8f43eaeb3be56f8f2bd88e94
[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" "34666009601e271a47e6093073b2a2f5ab923fea8f43eaeb3be56f8f2bd88e94", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling filebuffer v0.4.0
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling addr2line v0.15.2
[INFO] [stderr]    Compiling serde-transcode v1.1.1
[INFO] [stderr]    Compiling jsonpp v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.04s
[INFO] running `Command { std: "docker" "inspect" "34666009601e271a47e6093073b2a2f5ab923fea8f43eaeb3be56f8f2bd88e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34666009601e271a47e6093073b2a2f5ab923fea8f43eaeb3be56f8f2bd88e94", kill_on_drop: false }`
[INFO] [stdout] 34666009601e271a47e6093073b2a2f5ab923fea8f43eaeb3be56f8f2bd88e94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0f2118f921a1b6c0b217ce462529b8dbf2158f9a72b00053d473469d5d21bfb3
[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" "0f2118f921a1b6c0b217ce462529b8dbf2158f9a72b00053d473469d5d21bfb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsonpp v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "0f2118f921a1b6c0b217ce462529b8dbf2158f9a72b00053d473469d5d21bfb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f2118f921a1b6c0b217ce462529b8dbf2158f9a72b00053d473469d5d21bfb3", kill_on_drop: false }`
[INFO] [stdout] 0f2118f921a1b6c0b217ce462529b8dbf2158f9a72b00053d473469d5d21bfb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] af77ad7bb7dffe0fb4d1c079f9dc0db15681a886fb98540f7e5a8c730ab33229
[INFO] running `Command { std: "docker" "start" "-a" "af77ad7bb7dffe0fb4d1c079f9dc0db15681a886fb98540f7e5a8c730ab33229", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jsonpp-cc1b4b2a8c4e7738)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/tester.rs (/opt/rustwide/target/debug/deps/tester-4b3eede6b156244e)
[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] [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/tests.rs (/opt/rustwide/target/debug/deps/tests-ee9284615d8555a7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_pretty_printing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "af77ad7bb7dffe0fb4d1c079f9dc0db15681a886fb98540f7e5a8c730ab33229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af77ad7bb7dffe0fb4d1c079f9dc0db15681a886fb98540f7e5a8c730ab33229", kill_on_drop: false }`
[INFO] [stdout] af77ad7bb7dffe0fb4d1c079f9dc0db15681a886fb98540f7e5a8c730ab33229