[INFO] fetching crate slotted-egraphs 0.0.36...
[INFO] checking slotted-egraphs-0.0.36 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate slotted-egraphs 0.0.36 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate slotted-egraphs 0.0.36
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate slotted-egraphs 0.0.36
[INFO] tweaked toml for crates.io crate slotted-egraphs 0.0.36 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slotted-egraphs 0.0.36 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 slotted-egraphs 0.0.36 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 715c7b5730dd72ead59e04efa1bc974d83607bcfdf008d147008f46aa75860f2
[INFO] running `Command { std: "docker" "start" "-a" "715c7b5730dd72ead59e04efa1bc974d83607bcfdf008d147008f46aa75860f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "715c7b5730dd72ead59e04efa1bc974d83607bcfdf008d147008f46aa75860f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "715c7b5730dd72ead59e04efa1bc974d83607bcfdf008d147008f46aa75860f2", kill_on_drop: false }`
[INFO] [stdout] 715c7b5730dd72ead59e04efa1bc974d83607bcfdf008d147008f46aa75860f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 64705bcdbd269a911b137f27b3ba2558088ed865dc16aced0622b6cd2392d8b2
[INFO] running `Command { std: "docker" "start" "-a" "64705bcdbd269a911b137f27b3ba2558088ed865dc16aced0622b6cd2392d8b2", kill_on_drop: false }`
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking clap_builder v4.5.44
[INFO] [stderr]     Checking inplace-vec-builder v0.1.1
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking sorted-iter v0.1.11
[INFO] [stderr]     Checking binary-merge v0.1.2
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking symbol_table v0.3.0
[INFO] [stderr]     Checking clap v4.5.45
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling slotted-egraphs-derive v0.0.36
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_json v1.0.143
[INFO] [stderr]     Checking vec-collections v0.4.3
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking slotted-egraphs v0.0.36 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<GlobalSymbol, Infallible>
[INFO] [stdout]    --> src/lang.rs:134:48
[INFO] [stdout]     |
[INFO] [stdout] 134 |                       [SyntaxElem::String(x)] => x.parse().ok(),
[INFO] [stdout]     |                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | / bare_language_child!(
[INFO] [stdout] 146 | |     u128, u64, u32, u16, u8, i128, i64, i32, i16, i8, usize, isize, bool, char, Symbol
[INFO] [stdout] 147 | | );
[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 `bare_language_child` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slotted-egraphs` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "64705bcdbd269a911b137f27b3ba2558088ed865dc16aced0622b6cd2392d8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64705bcdbd269a911b137f27b3ba2558088ed865dc16aced0622b6cd2392d8b2", kill_on_drop: false }`
[INFO] [stdout] 64705bcdbd269a911b137f27b3ba2558088ed865dc16aced0622b6cd2392d8b2