[INFO] fetching crate compact_str 0.9.0...
[INFO] checking compact_str-0.9.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate compact_str 0.9.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate compact_str 0.9.0
[INFO] finished tweaking crates.io crate compact_str 0.9.0
[INFO] tweaked toml for crates.io crate compact_str 0.9.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate compact_str 0.9.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 223 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding test-strategy v0.3.1 (available: v0.4.3)
[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] 255460321d82532225133c2fc8b4398c38972e4bd81ac12b7b8e6a83f8b05594
[INFO] running `Command { std: "docker" "start" "-a" "255460321d82532225133c2fc8b4398c38972e4bd81ac12b7b8e6a83f8b05594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "255460321d82532225133c2fc8b4398c38972e4bd81ac12b7b8e6a83f8b05594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255460321d82532225133c2fc8b4398c38972e4bd81ac12b7b8e6a83f8b05594", kill_on_drop: false }`
[INFO] [stdout] 255460321d82532225133c2fc8b4398c38972e4bd81ac12b7b8e6a83f8b05594
[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] 5a46182ebaced0aec2311f637558e0a653934f1bc06b0995f0c719cf7144de12
[INFO] running `Command { std: "docker" "start" "-a" "5a46182ebaced0aec2311f637558e0a653934f1bc06b0995f0c719cf7144de12", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking castaway v0.2.4
[INFO] [stderr]     Checking compact_str v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<CompactString, Infallible>
[INFO] [stdout]     --> src/lib.rs:2282:62
[INFO] [stdout]      |
[INFO] [stdout] 2282 |       fn from_str(s: &str) -> Result<CompactString, Self::Err> {
[INFO] [stdout]      |  ______________________________________________________________^
[INFO] [stdout] 2283 | |         Ok(CompactString::from(s))
[INFO] [stdout] 2284 | |     }
[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<CompactString, Infallible>
[INFO] [stdout]     --> src/lib.rs:2283:9
[INFO] [stdout]      |
[INFO] [stdout] 2283 |         Ok(CompactString::from(s))
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compact_str` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5a46182ebaced0aec2311f637558e0a653934f1bc06b0995f0c719cf7144de12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a46182ebaced0aec2311f637558e0a653934f1bc06b0995f0c719cf7144de12", kill_on_drop: false }`
[INFO] [stdout] 5a46182ebaced0aec2311f637558e0a653934f1bc06b0995f0c719cf7144de12
