[INFO] crate rust-flatten-json 0.2.0 is already in cache
[INFO] testing rust-flatten-json-0.2.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate rust-flatten-json 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rust-flatten-json 0.2.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-flatten-json 0.2.0
[INFO] finished tweaking crates.io crate rust-flatten-json 0.2.0
[INFO] tweaked toml for crates.io crate rust-flatten-json 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rust-flatten-json 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8bcfa9bba323aaa37b7987e9687b6780173cd212e86ccb18dcb15ca64bfcc8b
[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" "b8bcfa9bba323aaa37b7987e9687b6780173cd212e86ccb18dcb15ca64bfcc8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8bcfa9bba323aaa37b7987e9687b6780173cd212e86ccb18dcb15ca64bfcc8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8bcfa9bba323aaa37b7987e9687b6780173cd212e86ccb18dcb15ca64bfcc8b", kill_on_drop: false }`
[INFO] [stdout] b8bcfa9bba323aaa37b7987e9687b6780173cd212e86ccb18dcb15ca64bfcc8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d43f95261180d2b366bf7cf00ef1321f8becc8dfde42db952e43e4fe9439ae7b
[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" "d43f95261180d2b366bf7cf00ef1321f8becc8dfde42db952e43e4fe9439ae7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling backtrace v0.3.42
[INFO] [stderr]    Compiling serde_json v1.0.45
[INFO] [stderr]    Compiling rust-flatten-json v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / error_chain! {
[INFO] [stdout] 12 | | foreign_links {
[INFO] [stdout] 13 | |         Json(::serde_json::Error);
[INFO] [stdout] 14 | |     }
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/bin/from_stdin.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / error_chain! {
[INFO] [stdout] 15 | | foreign_links {
[INFO] [stdout] 16 | |         Json(::serde_json::Error);
[INFO] [stdout] 17 | |         Io(::std::io::Error);
[INFO] [stdout] 18 | |         Flatten(::flatten_json::Error);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/bin/from_stdin.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / error_chain! {
[INFO] [stdout] 15 | | foreign_links {
[INFO] [stdout] 16 | |         Json(::serde_json::Error);
[INFO] [stdout] 17 | |         Io(::std::io::Error);
[INFO] [stdout] 18 | |         Flatten(::flatten_json::Error);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.35s
[INFO] running `Command { std: "docker" "inspect" "d43f95261180d2b366bf7cf00ef1321f8becc8dfde42db952e43e4fe9439ae7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d43f95261180d2b366bf7cf00ef1321f8becc8dfde42db952e43e4fe9439ae7b", kill_on_drop: false }`
[INFO] [stdout] d43f95261180d2b366bf7cf00ef1321f8becc8dfde42db952e43e4fe9439ae7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1d81b65644904cee1e90a140bcc2d1e60f268c5faa6ecf7fe9ebbd93537e2fa
[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" "d1d81b65644904cee1e90a140bcc2d1e60f268c5faa6ecf7fe9ebbd93537e2fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-flatten-json v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / error_chain! {
[INFO] [stdout] 12 | | foreign_links {
[INFO] [stdout] 13 | |         Json(::serde_json::Error);
[INFO] [stdout] 14 | |     }
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/bin/from_stdin.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / error_chain! {
[INFO] [stdout] 15 | | foreign_links {
[INFO] [stdout] 16 | |         Json(::serde_json::Error);
[INFO] [stdout] 17 | |         Io(::std::io::Error);
[INFO] [stdout] 18 | |         Flatten(::flatten_json::Error);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/bin/from_stdin.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / error_chain! {
[INFO] [stdout] 15 | | foreign_links {
[INFO] [stdout] 16 | |         Json(::serde_json::Error);
[INFO] [stdout] 17 | |         Io(::std::io::Error);
[INFO] [stdout] 18 | |         Flatten(::flatten_json::Error);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / error_chain! {
[INFO] [stdout] 12 | | foreign_links {
[INFO] [stdout] 13 | |         Json(::serde_json::Error);
[INFO] [stdout] 14 | |     }
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "d1d81b65644904cee1e90a140bcc2d1e60f268c5faa6ecf7fe9ebbd93537e2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1d81b65644904cee1e90a140bcc2d1e60f268c5faa6ecf7fe9ebbd93537e2fa", kill_on_drop: false }`
[INFO] [stdout] d1d81b65644904cee1e90a140bcc2d1e60f268c5faa6ecf7fe9ebbd93537e2fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5450576f5bf33188106cf6f9927022a7d9e4d64de3cedfa71aadabd741149248
[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" "5450576f5bf33188106cf6f9927022a7d9e4d64de3cedfa71aadabd741149248", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / error_chain! {
[INFO] [stderr] 12 | | foreign_links {
[INFO] [stderr] 13 | |         Json(::serde_json::Error);
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/bin/from_stdin.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | / error_chain! {
[INFO] [stderr] 15 | | foreign_links {
[INFO] [stderr] 16 | |         Json(::serde_json::Error);
[INFO] [stderr] 17 | |         Io(::std::io::Error);
[INFO] [stderr] 18 | |         Flatten(::flatten_json::Error);
[INFO] [stderr] 19 | |     }
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/bin/from_stdin.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | / error_chain! {
[INFO] [stderr] 15 | | foreign_links {
[INFO] [stderr] 16 | |         Json(::serde_json::Error);
[INFO] [stderr] 17 | |         Io(::std::io::Error);
[INFO] [stderr] 18 | |         Flatten(::flatten_json::Error);
[INFO] [stderr] 19 | |     }
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / error_chain! {
[INFO] [stderr] 12 | | foreign_links {
[INFO] [stderr] 13 | |         Json(::serde_json::Error);
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flatten_json-364ac58870d1db5b
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::multi_key_value ... ok
[INFO] [stdout] test tests::complex_nested_struct ... ok
[INFO] [stdout] test tests::nested_multiple_key_value ... ok
[INFO] [stdout] test tests::nested_array ... ok
[INFO] [stdout] test tests::top_level_array ... ok
[INFO] [stdout] test tests::nested_obj_array ... ok
[INFO] [stdout] test tests::nested_single_key_value ... ok
[INFO] [stdout] test tests::single_bool_as_str_value ... ok
[INFO] [stdout] test tests::single_int_as_str_value ... ok
[INFO] [stdout] test tests::single_int_value ... ok
[INFO] [stdout] test tests::single_float_as_str_value ... ok
[INFO] [stdout] test tests::single_key_value ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/from_stdin-17daf2401e42dcdf
[INFO] [stdout] test tests::single_int_as_str_no_infer_type_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flatten_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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5450576f5bf33188106cf6f9927022a7d9e4d64de3cedfa71aadabd741149248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5450576f5bf33188106cf6f9927022a7d9e4d64de3cedfa71aadabd741149248", kill_on_drop: false }`
[INFO] [stdout] 5450576f5bf33188106cf6f9927022a7d9e4d64de3cedfa71aadabd741149248