[INFO] fetching crate symbol-map 1.0.2...
[INFO] checking symbol-map-1.0.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate symbol-map 1.0.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate symbol-map 1.0.2
[INFO] finished tweaking crates.io crate symbol-map 1.0.2
[INFO] tweaked toml for crates.io crate symbol-map 1.0.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate symbol-map 1.0.2 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 1 package to latest compatible version
[INFO] [stderr]       Adding crossbeam v0.2.12 (available: v0.8.4)
[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] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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] 2617f4d06bc9535e04879aba1938e0d6f6205a2f7b3263ea0151b85740479c78
[INFO] running `Command { std: "docker" "start" "-a" "2617f4d06bc9535e04879aba1938e0d6f6205a2f7b3263ea0151b85740479c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2617f4d06bc9535e04879aba1938e0d6f6205a2f7b3263ea0151b85740479c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2617f4d06bc9535e04879aba1938e0d6f6205a2f7b3263ea0151b85740479c78", kill_on_drop: false }`
[INFO] [stdout] 2617f4d06bc9535e04879aba1938e0d6f6205a2f7b3263ea0151b85740479c78
[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] b5ef8a79e37ee50a253f28955be818705af88bda3d21271f11211f48204c3b9b
[INFO] running `Command { std: "docker" "start" "-a" "b5ef8a79e37ee50a253f28955be818705af88bda3d21271f11211f48204c3b9b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking symbol-map v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/indexing.rs:290:18
[INFO] [stdout]     |
[INFO] [stdout] 290 |         let x1 = String::from_str("foo").unwrap();
[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<String, Infallible>
[INFO] [stdout]    --> src/indexing.rs:291:18
[INFO] [stdout]     |
[INFO] [stdout] 291 |         let x2 = String::from_str("foo").unwrap();
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/indexing.rs:292:18
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let x3 = String::from_str("fo").unwrap();
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/indexing.rs:293:18
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let x4 = String::from_str("fox").unwrap();
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `symbol-map` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "b5ef8a79e37ee50a253f28955be818705af88bda3d21271f11211f48204c3b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ef8a79e37ee50a253f28955be818705af88bda3d21271f11211f48204c3b9b", kill_on_drop: false }`
[INFO] [stdout] b5ef8a79e37ee50a253f28955be818705af88bda3d21271f11211f48204c3b9b