[INFO] fetching crate fvoid 0.2.4...
[INFO] checking fvoid-0.2.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate fvoid 0.2.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate fvoid 0.2.4
[INFO] finished tweaking crates.io crate fvoid 0.2.4
[INFO] tweaked toml for crates.io crate fvoid 0.2.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fvoid 0.2.4 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 fvoid 0.2.4 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9021871c0f7baba6aa98f75d4e09bd599b937ab5196020fb0ec2e5994f9cf9fc
[INFO] running `Command { std: "docker" "start" "-a" "9021871c0f7baba6aa98f75d4e09bd599b937ab5196020fb0ec2e5994f9cf9fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9021871c0f7baba6aa98f75d4e09bd599b937ab5196020fb0ec2e5994f9cf9fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9021871c0f7baba6aa98f75d4e09bd599b937ab5196020fb0ec2e5994f9cf9fc", kill_on_drop: false }`
[INFO] [stdout] 9021871c0f7baba6aa98f75d4e09bd599b937ab5196020fb0ec2e5994f9cf9fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 98306be15a97b07be937971d9b68af3c3f37bed5e4fdeaef4ba108de3a3341e6
[INFO] running `Command { std: "docker" "start" "-a" "98306be15a97b07be937971d9b68af3c3f37bed5e4fdeaef4ba108de3a3341e6", kill_on_drop: false }`
[INFO] [stderr]     Checking fvoid v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:16:58
[INFO] [stdout]    |
[INFO] [stdout] 16 |                     stringify!($param) => { cfg.$param = v.parse().unwrap() }
[INFO] [stdout]    |                                                          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |         "m3u" => accept!(VoidM3U, [duration, filename], opts),
[INFO] [stdout]    |                  -------------------------------------------- in this macro invocation
[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 `accept` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:16:58
[INFO] [stdout]    |
[INFO] [stdout] 16 |                     stringify!($param) => { cfg.$param = v.parse().unwrap() }
[INFO] [stdout]    |                                                          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |         "svg" => accept!(VoidSVG, [width, height, color], opts),
[INFO] [stdout]    |                  ---------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `accept` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fvoid` (bin "fvoid" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:16:58
[INFO] [stdout]    |
[INFO] [stdout] 16 |                     stringify!($param) => { cfg.$param = v.parse().unwrap() }
[INFO] [stdout]    |                                                          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |         "m3u" => accept!(VoidM3U, [duration, filename], opts),
[INFO] [stdout]    |                  -------------------------------------------- in this macro invocation
[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 `accept` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:16:58
[INFO] [stdout]    |
[INFO] [stdout] 16 |                     stringify!($param) => { cfg.$param = v.parse().unwrap() }
[INFO] [stdout]    |                                                          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |         "svg" => accept!(VoidSVG, [width, height, color], opts),
[INFO] [stdout]    |                  ---------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `accept` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fvoid` (bin "fvoid") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "98306be15a97b07be937971d9b68af3c3f37bed5e4fdeaef4ba108de3a3341e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98306be15a97b07be937971d9b68af3c3f37bed5e4fdeaef4ba108de3a3341e6", kill_on_drop: false }`
[INFO] [stdout] 98306be15a97b07be937971d9b68af3c3f37bed5e4fdeaef4ba108de3a3341e6