[INFO] fetching crate adsbx_json 21.0.0...
[INFO] checking adsbx_json-21.0.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate adsbx_json 21.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate adsbx_json 21.0.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate adsbx_json 21.0.0
[INFO] tweaked toml for crates.io crate adsbx_json 21.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate adsbx_json 21.0.0 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 crates.io crate adsbx_json 21.0.0 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] 6538ea32c845a4811bd815fa1c956217de2415f59cd7a91ceef1364f78e09986
[INFO] running `Command { std: "docker" "start" "-a" "6538ea32c845a4811bd815fa1c956217de2415f59cd7a91ceef1364f78e09986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6538ea32c845a4811bd815fa1c956217de2415f59cd7a91ceef1364f78e09986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6538ea32c845a4811bd815fa1c956217de2415f59cd7a91ceef1364f78e09986", kill_on_drop: false }`
[INFO] [stdout] 6538ea32c845a4811bd815fa1c956217de2415f59cd7a91ceef1364f78e09986
[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] 4b37a209298359a6d79d9f604d769d3acbf3d9c7ab82bc4a4b03984f1cad2047
[INFO] running `Command { std: "docker" "start" "-a" "4b37a209298359a6d79d9f604d769d3acbf3d9c7ab82bc4a4b03984f1cad2047", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking tracing v0.1.27
[INFO] [stderr]     Checking tinyvec v1.4.0
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]     Checking h2 v0.3.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking async-compression v0.3.8
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.198
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]     Checking hyper v0.14.13
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]    Compiling serde_with_macros v3.11.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking serde v1.0.198
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking serde_with v3.11.0
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking adsbx_json v21.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> examples/fetch.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     #[structopt(
[INFO] [stdout] 14 | |         long,
[INFO] [stdout] 15 | |         help = "Fetch JSON from this file. Use `-` for stdin.",
[INFO] [stdout] 16 | |         required_unless = "url"
[INFO] [stdout] 17 | |     )]
[INFO] [stdout] 18 | |     file: Option<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<String, Infallible>
[INFO] [stdout]   --> examples/fetch.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(long, help = "Fetch JSON from this URL.", required_unless = "file")]
[INFO] [stdout] 20 | |     url: Option<String>,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adsbx_json` (example "fetch") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4b37a209298359a6d79d9f604d769d3acbf3d9c7ab82bc4a4b03984f1cad2047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b37a209298359a6d79d9f604d769d3acbf3d9c7ab82bc4a4b03984f1cad2047", kill_on_drop: false }`
[INFO] [stdout] 4b37a209298359a6d79d9f604d769d3acbf3d9c7ab82bc4a4b03984f1cad2047