[INFO] fetching crate sgf-parse 4.2.8...
[INFO] checking sgf-parse-4.2.8 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate sgf-parse 4.2.8 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate sgf-parse 4.2.8
[INFO] finished tweaking crates.io crate sgf-parse 4.2.8
[INFO] tweaked toml for crates.io crate sgf-parse 4.2.8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sgf-parse 4.2.8 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 sgf-parse 4.2.8 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 45218a815aa96b468e5ef77322f352ffcf37eda58a1c6d54bda3a9e18bce0ab7
[INFO] running `Command { std: "docker" "start" "-a" "45218a815aa96b468e5ef77322f352ffcf37eda58a1c6d54bda3a9e18bce0ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45218a815aa96b468e5ef77322f352ffcf37eda58a1c6d54bda3a9e18bce0ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45218a815aa96b468e5ef77322f352ffcf37eda58a1c6d54bda3a9e18bce0ab7", kill_on_drop: false }`
[INFO] [stdout] 45218a815aa96b468e5ef77322f352ffcf37eda58a1c6d54bda3a9e18bce0ab7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ca1c64814bb49c6a539b2d122767c614d6eee8a5d89874ef9a538463ebe64e74
[INFO] running `Command { std: "docker" "start" "-a" "ca1c64814bb49c6a539b2d122767c614d6eee8a5d89874ef9a538463ebe64e74", kill_on_drop: false }`
[INFO] [stderr]     Checking sgf-parse v4.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/prop_macro.rs:532:25
[INFO] [stdout]     |
[INFO] [stdout] 532 |                           s1.parse().map_err(|_| SgfPropError {})?,
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/unknown_game.rs:15:1
[INFO] [stdout]     |
[INFO] [stdout]  15 | / sgf_prop! {
[INFO] [stdout]  16 | |     Prop, String, String, String,
[INFO] [stdout]  17 | |     { }
[INFO] [stdout]  18 | | }
[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 `sgf_prop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sgf-parse` (lib) 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<String, Infallible>
[INFO] [stdout]    --> src/prop_macro.rs:532:25
[INFO] [stdout]     |
[INFO] [stdout] 532 |                           s1.parse().map_err(|_| SgfPropError {})?,
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/unknown_game.rs:15:1
[INFO] [stdout]     |
[INFO] [stdout]  15 | / sgf_prop! {
[INFO] [stdout]  16 | |     Prop, String, String, String,
[INFO] [stdout]  17 | |     { }
[INFO] [stdout]  18 | | }
[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 `sgf_prop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sgf-parse` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ca1c64814bb49c6a539b2d122767c614d6eee8a5d89874ef9a538463ebe64e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca1c64814bb49c6a539b2d122767c614d6eee8a5d89874ef9a538463ebe64e74", kill_on_drop: false }`
[INFO] [stdout] ca1c64814bb49c6a539b2d122767c614d6eee8a5d89874ef9a538463ebe64e74