[INFO] fetching crate j-api 0.1.0...
[INFO] testing j-api-0.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate j-api 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate j-api 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate j-api 0.1.0
[INFO] finished tweaking crates.io crate j-api 0.1.0
[INFO] tweaked toml for crates.io crate j-api 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8554aa27137ba6bb8528383daef8a5b8e91cea390d44d1da1ecf2c1ace15702
[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" "f8554aa27137ba6bb8528383daef8a5b8e91cea390d44d1da1ecf2c1ace15702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8554aa27137ba6bb8528383daef8a5b8e91cea390d44d1da1ecf2c1ace15702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8554aa27137ba6bb8528383daef8a5b8e91cea390d44d1da1ecf2c1ace15702", kill_on_drop: false }`
[INFO] [stdout] f8554aa27137ba6bb8528383daef8a5b8e91cea390d44d1da1ecf2c1ace15702
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 661237bdfd27abdffc4029d84201671a5953a236e830a932632f215c1bfdbf86
[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" "661237bdfd27abdffc4029d84201671a5953a236e830a932632f215c1bfdbf86", kill_on_drop: false }`
[INFO] [stderr]    Compiling j-api v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/json_api/mod.rs:115:49
[INFO] [stdout]     |
[INFO] [stdout] 115 | const JSON_API_OBJECT: JsonApiObject<'static> = { JsonApiObject { version: "1.0" } };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` 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 2.83s
[INFO] running `Command { std: "docker" "inspect" "661237bdfd27abdffc4029d84201671a5953a236e830a932632f215c1bfdbf86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "661237bdfd27abdffc4029d84201671a5953a236e830a932632f215c1bfdbf86", kill_on_drop: false }`
[INFO] [stdout] 661237bdfd27abdffc4029d84201671a5953a236e830a932632f215c1bfdbf86
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc7b04ba352f43c0b80da98077bff91321e44a6b7726f6dccd5f0bc02c35cb22
[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" "dc7b04ba352f43c0b80da98077bff91321e44a6b7726f6dccd5f0bc02c35cb22", kill_on_drop: false }`
[INFO] [stderr]    Compiling j-api v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/json_api/mod.rs:115:49
[INFO] [stdout]     |
[INFO] [stdout] 115 | const JSON_API_OBJECT: JsonApiObject<'static> = { JsonApiObject { version: "1.0" } };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/json_api/mod.rs:115:49
[INFO] [stdout]     |
[INFO] [stdout] 115 | const JSON_API_OBJECT: JsonApiObject<'static> = { JsonApiObject { version: "1.0" } };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "dc7b04ba352f43c0b80da98077bff91321e44a6b7726f6dccd5f0bc02c35cb22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7b04ba352f43c0b80da98077bff91321e44a6b7726f6dccd5f0bc02c35cb22", kill_on_drop: false }`
[INFO] [stdout] dc7b04ba352f43c0b80da98077bff91321e44a6b7726f6dccd5f0bc02c35cb22
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b403a51c91489e59dd8d4a00c46adced7aea879883755397426564f53845e4d7
[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" "b403a51c91489e59dd8d4a00c46adced7aea879883755397426564f53845e4d7", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/json_api/mod.rs:115:49
[INFO] [stderr]     |
[INFO] [stderr] 115 | const JSON_API_OBJECT: JsonApiObject<'static> = { JsonApiObject { version: "1.0" } };
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/json_api/mod.rs:115:49
[INFO] [stderr]     |
[INFO] [stderr] 115 | const JSON_API_OBJECT: JsonApiObject<'static> = { JsonApiObject { version: "1.0" } };
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/j_api-b89d94fc9bc70cbd
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests j-api
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/json_api/mod.rs:115:49
[INFO] [stderr]     |
[INFO] [stderr] 115 | const JSON_API_OBJECT: JsonApiObject<'static> = { JsonApiObject { version: "1.0" } };
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b403a51c91489e59dd8d4a00c46adced7aea879883755397426564f53845e4d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b403a51c91489e59dd8d4a00c46adced7aea879883755397426564f53845e4d7", kill_on_drop: false }`
[INFO] [stdout] b403a51c91489e59dd8d4a00c46adced7aea879883755397426564f53845e4d7
