[INFO] fetching crate polylabel_cmd 1.4.0...
[INFO] checking polylabel_cmd-1.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate polylabel_cmd 1.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate polylabel_cmd 1.4.0
[INFO] finished tweaking crates.io crate polylabel_cmd 1.4.0
[INFO] tweaked toml for crates.io crate polylabel_cmd 1.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polylabel_cmd 1.4.0 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 polylabel_cmd 1.4.0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 430f8cd024383b2c07928ac4c1629553c63990a69dc2050e9d03284c42dc4750
[INFO] running `Command { std: "docker" "start" "-a" "430f8cd024383b2c07928ac4c1629553c63990a69dc2050e9d03284c42dc4750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "430f8cd024383b2c07928ac4c1629553c63990a69dc2050e9d03284c42dc4750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "430f8cd024383b2c07928ac4c1629553c63990a69dc2050e9d03284c42dc4750", kill_on_drop: false }`
[INFO] [stdout] 430f8cd024383b2c07928ac4c1629553c63990a69dc2050e9d03284c42dc4750
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 94ce8f118484bbaea4788a94942f5113bb84857a15358fd1ebff61e6b1368da0
[INFO] running `Command { std: "docker" "start" "-a" "94ce8f118484bbaea4788a94942f5113bb84857a15358fd1ebff61e6b1368da0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking as-slice v0.1.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking geographiclib-rs v0.2.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking robust v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking rstar v0.8.2
[INFO] [stderr]     Checking geo-types v0.7.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking geo v0.17.0
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking polylabel v2.4.0
[INFO] [stderr]     Checking geojson v0.22.0
[INFO] [stderr]     Checking polylabel_cmd v1.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:172:16
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let poly = value_t!(command_params.value_of("GEOJSON"), String).unwrap();
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `value_t` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polylabel_cmd` (bin "polylabel" test) due to 1 previous error
[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:172:16
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let poly = value_t!(command_params.value_of("GEOJSON"), String).unwrap();
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `value_t` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polylabel_cmd` (bin "polylabel") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "94ce8f118484bbaea4788a94942f5113bb84857a15358fd1ebff61e6b1368da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94ce8f118484bbaea4788a94942f5113bb84857a15358fd1ebff61e6b1368da0", kill_on_drop: false }`
[INFO] [stdout] 94ce8f118484bbaea4788a94942f5113bb84857a15358fd1ebff61e6b1368da0