[INFO] fetching crate mex-lang 0.1.0...
[INFO] testing mex-lang-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mex-lang 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mex-lang 0.1.0
[INFO] finished tweaking crates.io crate mex-lang 0.1.0
[INFO] tweaked toml for crates.io crate mex-lang 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mex-lang 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mex-lang 0.1.0 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a129656d6f250727f72f9594db9d53e5d017639999e106cf9d68708c4e6391e
[INFO] running `Command { std: "docker" "start" "-a" "7a129656d6f250727f72f9594db9d53e5d017639999e106cf9d68708c4e6391e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a129656d6f250727f72f9594db9d53e5d017639999e106cf9d68708c4e6391e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a129656d6f250727f72f9594db9d53e5d017639999e106cf9d68708c4e6391e", kill_on_drop: false }`
[INFO] [stdout] 7a129656d6f250727f72f9594db9d53e5d017639999e106cf9d68708c4e6391e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5be1e64471ccd1ddb0fd8b6c096d8f3ad9d2e340d23b7cea8d38aa2105b18239
[INFO] running `Command { std: "docker" "start" "-a" "5be1e64471ccd1ddb0fd8b6c096d8f3ad9d2e340d23b7cea8d38aa2105b18239", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling semver v1.0.24
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling term v1.0.1
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling ascii-canvas v4.0.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling logos-codegen v0.15.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.94
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling lalrpop-util v0.22.0
[INFO] [stderr]    Compiling logos-derive v0.15.0
[INFO] [stderr]    Compiling lalrpop v0.22.0
[INFO] [stderr]    Compiling logos v0.15.0
[INFO] [stderr]    Compiling mex-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.19s
[INFO] running `Command { std: "docker" "inspect" "5be1e64471ccd1ddb0fd8b6c096d8f3ad9d2e340d23b7cea8d38aa2105b18239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be1e64471ccd1ddb0fd8b6c096d8f3ad9d2e340d23b7cea8d38aa2105b18239", kill_on_drop: false }`
[INFO] [stdout] 5be1e64471ccd1ddb0fd8b6c096d8f3ad9d2e340d23b7cea8d38aa2105b18239
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1816b1ed94f9f730a5245e5726e5c40d3e782f02fae27eef1d731c5e601670ef
[INFO] running `Command { std: "docker" "start" "-a" "1816b1ed94f9f730a5245e5726e5c40d3e782f02fae27eef1d731c5e601670ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling mex-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use super::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "1816b1ed94f9f730a5245e5726e5c40d3e782f02fae27eef1d731c5e601670ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1816b1ed94f9f730a5245e5726e5c40d3e782f02fae27eef1d731c5e601670ef", kill_on_drop: false }`
[INFO] [stdout] 1816b1ed94f9f730a5245e5726e5c40d3e782f02fae27eef1d731c5e601670ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 032e9faa1ff6b73290e178e099ee5246dbcd0625f3557dc4ef29acb075f326f9
[INFO] running `Command { std: "docker" "start" "-a" "032e9faa1ff6b73290e178e099ee5246dbcd0625f3557dc4ef29acb075f326f9", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stdout] 
[INFO] [stderr]  --> src/lib.rs:3:9
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 3 |     use super::*;
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mex-lang` (lib test) generated 1 warning (run `cargo fix --lib -p mex-lang --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mex_lang-66d8ad761e3629b5)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/mexc.rs (/opt/rustwide/target/debug/deps/mexc-8bcc36909500429a)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mex_lang
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "032e9faa1ff6b73290e178e099ee5246dbcd0625f3557dc4ef29acb075f326f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "032e9faa1ff6b73290e178e099ee5246dbcd0625f3557dc4ef29acb075f326f9", kill_on_drop: false }`
[INFO] [stdout] 032e9faa1ff6b73290e178e099ee5246dbcd0625f3557dc4ef29acb075f326f9