[INFO] cloning repository https://github.com/YCR160/Funny-JSON-Explorer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YCR160/Funny-JSON-Explorer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYCR160%2FFunny-JSON-Explorer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYCR160%2FFunny-JSON-Explorer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e50c0a5d5efac8dac5fc7b6adf2bbe6b22142752
[INFO] checking YCR160/Funny-JSON-Explorer against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYCR160%2FFunny-JSON-Explorer" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/YCR160/Funny-JSON-Explorer
[INFO] finished tweaking git repo https://github.com/YCR160/Funny-JSON-Explorer
[INFO] tweaked toml for git repo https://github.com/YCR160/Funny-JSON-Explorer written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/YCR160/Funny-JSON-Explorer on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/YCR160/Funny-JSON-Explorer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d7b7e1d1a64c4128f97406661bcc0a5e50281ebeba4c470e57fb16a3d064e81
[INFO] running `Command { std: "docker" "start" "-a" "6d7b7e1d1a64c4128f97406661bcc0a5e50281ebeba4c470e57fb16a3d064e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d7b7e1d1a64c4128f97406661bcc0a5e50281ebeba4c470e57fb16a3d064e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d7b7e1d1a64c4128f97406661bcc0a5e50281ebeba4c470e57fb16a3d064e81", kill_on_drop: false }`
[INFO] [stdout] 6d7b7e1d1a64c4128f97406661bcc0a5e50281ebeba4c470e57fb16a3d064e81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e5a6a267ef5fe1abf438271e3a1483ee5979b58a05098930c5cc4cc8bec6ad0
[INFO] running `Command { std: "docker" "start" "-a" "6e5a6a267ef5fe1abf438271e3a1483ee5979b58a05098930c5cc4cc8bec6ad0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking json_explorer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `json_explorer` (bin "json_explorer") due to 3 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | /     /// JSON file
[INFO] [stdout] 8 | |     #[structopt(short = "f", long = "file")]
[INFO] [stdout] 9 | |     file: String,
[INFO] [stdout]   | |________________^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     /// Style
[INFO] [stdout] 12 | |     #[structopt(short = "s", long = "style", default_value = "tree")]
[INFO] [stdout] 13 | |     style: String,
[INFO] [stdout]    | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     /// Icon family
[INFO] [stdout] 16 | |     #[structopt(short = "i", long = "icon", default_value = "pokerface")]
[INFO] [stdout] 17 | |     icon: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | /     /// JSON file
[INFO] [stdout] 8 | |     #[structopt(short = "f", long = "file")]
[INFO] [stdout] 9 | |     file: String,
[INFO] [stdout]   | |________________^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     /// Style
[INFO] [stdout] 12 | |     #[structopt(short = "s", long = "style", default_value = "tree")]
[INFO] [stdout] 13 | |     style: String,
[INFO] [stdout]    | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     /// Icon family
[INFO] [stdout] 16 | |     #[structopt(short = "i", long = "icon", default_value = "pokerface")]
[INFO] [stdout] 17 | |     icon: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `json_explorer` (bin "json_explorer" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "6e5a6a267ef5fe1abf438271e3a1483ee5979b58a05098930c5cc4cc8bec6ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e5a6a267ef5fe1abf438271e3a1483ee5979b58a05098930c5cc4cc8bec6ad0", kill_on_drop: false }`
[INFO] [stdout] 6e5a6a267ef5fe1abf438271e3a1483ee5979b58a05098930c5cc4cc8bec6ad0
