[INFO] fetching crate rust-flatten-json 0.2.0...
[INFO] checking rust-flatten-json-0.2.0 against master#542febd2d383b5082277c7d165b098c0a3b513f6 for pr-103293
[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 542febd2d383b5082277c7d165b098c0a3b513f6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+542febd2d383b5082277c7d165b098c0a3b513f6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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" "+542febd2d383b5082277c7d165b098c0a3b513f6" "fetch" "--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" "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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+542febd2d383b5082277c7d165b098c0a3b513f6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e206d3e83a557f8d89c7325352bbc5b953bf5d8c13eba676f17d2503c08cf00
[INFO] running `Command { std: "docker" "start" "-a" "0e206d3e83a557f8d89c7325352bbc5b953bf5d8c13eba676f17d2503c08cf00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e206d3e83a557f8d89c7325352bbc5b953bf5d8c13eba676f17d2503c08cf00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e206d3e83a557f8d89c7325352bbc5b953bf5d8c13eba676f17d2503c08cf00", kill_on_drop: false }`
[INFO] [stdout] 0e206d3e83a557f8d89c7325352bbc5b953bf5d8c13eba676f17d2503c08cf00
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+542febd2d383b5082277c7d165b098c0a3b513f6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c875f179e8c03c9accc5b9019e64d3a9c138c7c8cd360dc82ab88fa06daa0a60
[INFO] running `Command { std: "docker" "start" "-a" "c875f179e8c03c9accc5b9019e64d3a9c138c7c8cd360dc82ab88fa06daa0a60", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking backtrace v0.3.42
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking rust-flatten-json v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `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 the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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 the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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 the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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 the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
[INFO] running `Command { std: "docker" "inspect" "c875f179e8c03c9accc5b9019e64d3a9c138c7c8cd360dc82ab88fa06daa0a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c875f179e8c03c9accc5b9019e64d3a9c138c7c8cd360dc82ab88fa06daa0a60", kill_on_drop: false }`
[INFO] [stdout] c875f179e8c03c9accc5b9019e64d3a9c138c7c8cd360dc82ab88fa06daa0a60