[INFO] cloning repository https://github.com/baban/rust_json
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/baban/rust_json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaban%2Frust_json", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaban%2Frust_json'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c9bdb895572c99f53a763f8aaf7189285751995
[INFO] testing baban/rust_json against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaban%2Frust_json" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/baban/rust_json 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 git repo https://github.com/baban/rust_json
[INFO] finished tweaking git repo https://github.com/baban/rust_json
[INFO] tweaked toml for git repo https://github.com/baban/rust_json written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/baban/rust_json already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a9b98467a93d48ee5ab43d38ab93d7f1d2be7a38d1ca6e9ec882adb7c60560a2
[INFO] running `Command { std: "docker" "start" "-a" "a9b98467a93d48ee5ab43d38ab93d7f1d2be7a38d1ca6e9ec882adb7c60560a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9b98467a93d48ee5ab43d38ab93d7f1d2be7a38d1ca6e9ec882adb7c60560a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b98467a93d48ee5ab43d38ab93d7f1d2be7a38d1ca6e9ec882adb7c60560a2", kill_on_drop: false }`
[INFO] [stdout] a9b98467a93d48ee5ab43d38ab93d7f1d2be7a38d1ca6e9ec882adb7c60560a2
[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] c8741a6f7cfa0dd7db94e6739a5ee25b4ce1b3f3713140359743ad1acca7d04c
[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" "c8741a6f7cfa0dd7db94e6739a5ee25b4ce1b3f3713140359743ad1acca7d04c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "c8741a6f7cfa0dd7db94e6739a5ee25b4ce1b3f3713140359743ad1acca7d04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8741a6f7cfa0dd7db94e6739a5ee25b4ce1b3f3713140359743ad1acca7d04c", kill_on_drop: false }`
[INFO] [stdout] c8741a6f7cfa0dd7db94e6739a5ee25b4ce1b3f3713140359743ad1acca7d04c
[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] c4bda600a02c095975dff584780d51409045950a1756ac09274613e01cb3f2d8
[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" "c4bda600a02c095975dff584780d51409045950a1756ac09274613e01cb3f2d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "c4bda600a02c095975dff584780d51409045950a1756ac09274613e01cb3f2d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4bda600a02c095975dff584780d51409045950a1756ac09274613e01cb3f2d8", kill_on_drop: false }`
[INFO] [stdout] c4bda600a02c095975dff584780d51409045950a1756ac09274613e01cb3f2d8
[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] [stdout] bc5b6527f06b4db4a85fe8b908d16dd589278d0406590e765a3d55267e243486
[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" "bc5b6527f06b4db4a85fe8b908d16dd589278d0406590e765a3d55267e243486", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_json-f3a61d7d1c954a75)
[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 unittests (/opt/rustwide/target/debug/deps/rust_json-73b12c56f3f2b097)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::array_works ... ok
[INFO] [stdout] test tests::f32_works ... ok
[INFO] [stdout] test tests::f64_works ... ok
[INFO] [stdout] test tests::false_works ... ok
[INFO] [stdout] test tests::i16_works ... ok
[INFO] [stdout] test tests::hash_works ... ok
[INFO] [stdout] test tests::i32_works ... ok
[INFO] [stdout] test tests::i64_works ... ok
[INFO] [stdout] test tests::i8_works ... ok
[INFO] [stdout] test tests::isize_works ... ok
[INFO] [stdout] test tests::null_works ... ok
[INFO] [stdout] test tests::one_hash_works ... ok
[INFO] [stdout] test tests::string_works ... ok
[INFO] [stdout] test tests::true_works ... ok
[INFO] [stdout] test tests::u16_works ... ok
[INFO] [stdout] test tests::u32_works ... ok
[INFO] [stdout] test tests::u64_works ... ok
[INFO] [stdout] test tests::u8_works ... ok
[INFO] [stdout] test tests::usize_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_json
[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" "bc5b6527f06b4db4a85fe8b908d16dd589278d0406590e765a3d55267e243486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc5b6527f06b4db4a85fe8b908d16dd589278d0406590e765a3d55267e243486", kill_on_drop: false }`
[INFO] [stdout] bc5b6527f06b4db4a85fe8b908d16dd589278d0406590e765a3d55267e243486