[INFO] fetching crate rickview 0.5.0...
[INFO] checking rickview-0.5.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rickview 0.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate rickview 0.5.0
[INFO] finished tweaking crates.io crate rickview 0.5.0
[INFO] tweaked toml for crates.io crate rickview 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rickview 0.5.0 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 rickview 0.5.0 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] [stderr]     Blocking waiting for file lock on package cache
[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] ff7d5156a2077f08e380945dd66a7053effceb7f874d75714820b03ebaf198d3
[INFO] running `Command { std: "docker" "start" "-a" "ff7d5156a2077f08e380945dd66a7053effceb7f874d75714820b03ebaf198d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff7d5156a2077f08e380945dd66a7053effceb7f874d75714820b03ebaf198d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff7d5156a2077f08e380945dd66a7053effceb7f874d75714820b03ebaf198d3", kill_on_drop: false }`
[INFO] [stdout] ff7d5156a2077f08e380945dd66a7053effceb7f874d75714820b03ebaf198d3
[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] 1fef401621fb52c668b89e8776dfcaa2f7fb80efb75971a664bec70f80aacd40
[INFO] running `Command { std: "docker" "start" "-a" "1fef401621fb52c668b89e8776dfcaa2f7fb80efb75971a664bec70f80aacd40", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.219
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[INFO] [stderr]     Checking rickview v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<[SimpleTerm<'_>; 3], Infallible>
[INFO] [stdout]   --> src/classes.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |         .map(|t| t.expect("error fetching class triple terms"))
[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<[SimpleTerm<'_>; 3], Infallible>
[INFO] [stdout]    --> src/rdf.rs:100:103
[INFO] [stdout]     |
[INFO] [stdout] 100 | ...   GraphEnum::FastGraph(g) => Box::new(g.triples_matching(sm, pm, om).flatten().map(|triple| Ok(triple.map(SimpleTerm::from_term)))),
[INFO] [stdout]     |                                                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[SimpleTerm<'_>; 3], Infallible>
[INFO] [stdout]    --> src/rdf.rs:102:102
[INFO] [stdout]     |
[INFO] [stdout] 102 | ...   GraphEnum::HdtGraph(g) => Box::new(g.triples_matching(sm, pm, om).flatten().map(|triple| Ok(triple.map(SimpleTerm::from_term)))),
[INFO] [stdout]     |                                                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[SimpleTerm<'_>; 3], Infallible>
[INFO] [stdout]    --> src/rdf.rs:213:33
[INFO] [stdout]     |
[INFO] [stdout] 213 |                         let t = tt.expect("error fetching title triple");
[INFO] [stdout]     |                                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[SimpleTerm<'_>; 3], Infallible>
[INFO] [stdout]    --> src/rdf.rs:259:25
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 let t = tt.expect("error fetching type triple");
[INFO] [stdout]     |                         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[SimpleTerm<'_>; 3], Infallible>
[INFO] [stdout]    --> src/rdf.rs:342:22
[INFO] [stdout]     |
[INFO] [stdout] 342 |         let triple = res.expect("error with connection triple");
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rickview` (bin "rickview") due to 6 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<[SimpleTerm<'_>; 3], Infallible>
[INFO] [stdout]   --> src/classes.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |         .map(|t| t.expect("error fetching class triple terms"))
[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<[SimpleTerm<'_>; 3], Infallible>
[INFO] [stdout]    --> src/rdf.rs:100:103
[INFO] [stdout]     |
[INFO] [stdout] 100 | ...   GraphEnum::FastGraph(g) => Box::new(g.triples_matching(sm, pm, om).flatten().map(|triple| Ok(triple.map(SimpleTerm::from_term)))),
[INFO] [stdout]     |                                                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[SimpleTerm<'_>; 3], Infallible>
[INFO] [stdout]    --> src/rdf.rs:102:102
[INFO] [stdout]     |
[INFO] [stdout] 102 | ...   GraphEnum::HdtGraph(g) => Box::new(g.triples_matching(sm, pm, om).flatten().map(|triple| Ok(triple.map(SimpleTerm::from_term)))),
[INFO] [stdout]     |                                                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[SimpleTerm<'_>; 3], Infallible>
[INFO] [stdout]    --> src/rdf.rs:213:33
[INFO] [stdout]     |
[INFO] [stdout] 213 |                         let t = tt.expect("error fetching title triple");
[INFO] [stdout]     |                                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[SimpleTerm<'_>; 3], Infallible>
[INFO] [stdout]    --> src/rdf.rs:259:25
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 let t = tt.expect("error fetching type triple");
[INFO] [stdout]     |                         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[SimpleTerm<'_>; 3], Infallible>
[INFO] [stdout]    --> src/rdf.rs:342:22
[INFO] [stdout]     |
[INFO] [stdout] 342 |         let triple = res.expect("error with connection triple");
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rickview` (bin "rickview" test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "1fef401621fb52c668b89e8776dfcaa2f7fb80efb75971a664bec70f80aacd40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fef401621fb52c668b89e8776dfcaa2f7fb80efb75971a664bec70f80aacd40", kill_on_drop: false }`
[INFO] [stdout] 1fef401621fb52c668b89e8776dfcaa2f7fb80efb75971a664bec70f80aacd40
