[INFO] cloning repository https://github.com/becheran/mlc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/becheran/mlc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbecheran%2Fmlc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbecheran%2Fmlc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14a3964325a3279edf896eb426f192fbb5aa3cc4
[INFO] checking becheran/mlc against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbecheran%2Fmlc" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/becheran/mlc
[INFO] finished tweaking git repo https://github.com/becheran/mlc
[INFO] tweaked toml for git repo https://github.com/becheran/mlc written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/becheran/mlc 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 git repo https://github.com/becheran/mlc 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 342cceeef5fa96467db852063b81a5f2d97d6f31f202911a33995be9c39a9854
[INFO] running `Command { std: "docker" "start" "-a" "342cceeef5fa96467db852063b81a5f2d97d6f31f202911a33995be9c39a9854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "342cceeef5fa96467db852063b81a5f2d97d6f31f202911a33995be9c39a9854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "342cceeef5fa96467db852063b81a5f2d97d6f31f202911a33995be9c39a9854", kill_on_drop: false }`
[INFO] [stdout] 342cceeef5fa96467db852063b81a5f2d97d6f31f202911a33995be9c39a9854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3b6c44c6ff4f8bf882f6fee4cb08c930d48c50bd41842441acd5fd05fc6fbc51
[INFO] running `Command { std: "docker" "start" "-a" "3b6c44c6ff4f8bf882f6fee4cb08c930d48c50bd41842441acd5fd05fc6fbc51", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]    Compiling cc v1.2.24
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking hashbrown v0.15.3
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking value-bag v1.11.1
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]     Checking event-listener v5.4.0
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking futures-lite v2.6.0
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]     Checking brotli-decompressor v5.0.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]    Compiling openssl-src v300.5.0+3.5.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking flate2 v1.1.1
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking clap_builder v4.5.40
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking winnow v0.7.10
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking brotli v8.0.1
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling pulldown-cmark v0.13.0
[INFO] [stderr]     Checking toml_write v0.1.2
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]     Checking async-executor v1.13.2
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking iri-string v0.7.8
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking pulldown-cmark-escape v0.11.0
[INFO] [stderr]     Checking colored v3.0.0
[INFO] [stderr]     Checking unicase v2.8.1
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking clap v4.5.40
[INFO] [stderr]     Checking fern v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking url-escape v0.1.1
[INFO] [stderr]     Checking wildmatch v2.4.0
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking similar v2.7.0
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling ntest_test_cases v0.9.3
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]     Checking tokio v1.46.1
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking polling v3.8.0
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking async-io v2.4.1
[INFO] [stderr]     Checking zerovec v0.11.2
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.13.1
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking async-compression v0.4.23
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]     Checking h2 v0.4.10
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking assert-json-diff v2.0.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.6.0
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling ntest_timeout v0.9.3
[INFO] [stderr]     Checking ntest v0.9.3
[INFO] [stderr]     Checking hyper-util v0.1.13
[INFO] [stderr]     Checking mockito v1.7.0
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.22
[INFO] [stderr]     Checking mlc v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::path::PathBuf, Infallible>
[INFO] [stdout]    --> src/cli.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |       let directory = dir_string
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 131 | |         .replace(['/', '\\'], std::path::MAIN_SEPARATOR_STR)
[INFO] [stdout] 132 | |         .parse()
[INFO] [stdout]     | |________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mlc` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::path::PathBuf, Infallible>
[INFO] [stdout]    --> src/cli.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |       let directory = dir_string
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 131 | |         .replace(['/', '\\'], std::path::MAIN_SEPARATOR_STR)
[INFO] [stdout] 132 | |         .parse()
[INFO] [stdout]     | |________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mlc` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3b6c44c6ff4f8bf882f6fee4cb08c930d48c50bd41842441acd5fd05fc6fbc51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b6c44c6ff4f8bf882f6fee4cb08c930d48c50bd41842441acd5fd05fc6fbc51", kill_on_drop: false }`
[INFO] [stdout] 3b6c44c6ff4f8bf882f6fee4cb08c930d48c50bd41842441acd5fd05fc6fbc51
