[INFO] cloning repository https://github.com/ruescasd/mrkl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruescasd/mrkl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruescasd%2Fmrkl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruescasd%2Fmrkl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1f080b9f6821914d191cc5218ba64e382356e82
[INFO] checking ruescasd/mrkl 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%2Fruescasd%2Fmrkl" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ruescasd/mrkl
[INFO] finished tweaking git repo https://github.com/ruescasd/mrkl
[INFO] tweaked toml for git repo https://github.com/ruescasd/mrkl written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ruescasd/mrkl 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/ruescasd/mrkl 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f86c2dc0bdaa301219fd88c26c433c67aea65b5e97c06f25ad54b03f55a4365f
[INFO] running `Command { std: "docker" "start" "-a" "f86c2dc0bdaa301219fd88c26c433c67aea65b5e97c06f25ad54b03f55a4365f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f86c2dc0bdaa301219fd88c26c433c67aea65b5e97c06f25ad54b03f55a4365f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f86c2dc0bdaa301219fd88c26c433c67aea65b5e97c06f25ad54b03f55a4365f", kill_on_drop: false }`
[INFO] [stdout] f86c2dc0bdaa301219fd88c26c433c67aea65b5e97c06f25ad54b03f55a4365f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7b92e9776144842110c470450742ba237f341bfd279c3af6abd8429d5d5e73b3
[INFO] running `Command { std: "docker" "start" "-a" "7b92e9776144842110c470450742ba237f341bfd279c3af6abd8429d5d5e73b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.226
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling serde v1.0.226
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]     Checking tinyvec v1.10.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking indexmap v2.11.4
[INFO] [stderr]    Compiling cc v1.2.38
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]     Checking siphasher v1.0.1
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking sdd v3.0.10
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking scc v2.4.0
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking phf_shared v0.11.3
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking whoami v1.6.1
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]     Checking stringprep v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling serde_derive v1.0.226
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling axum-macros v0.4.2
[INFO] [stderr]    Compiling serial_test_derive v3.2.0
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerovec v0.11.4
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.3
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking axum-core v0.4.5
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking serial_test v3.2.0
[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 serde_urlencoded v0.7.1
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper v1.7.0
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking hyper-util v0.1.17
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking ct-merkle v0.2.0
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stderr]     Checking axum v0.7.9
[INFO] [stderr]     Checking postgres-protocol v0.6.8
[INFO] [stderr]     Checking postgres-types v0.2.9
[INFO] [stderr]     Checking tokio-postgres v0.7.13
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking mrkl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/tree.rs:226:39
[INFO] [stdout]     |
[INFO] [stdout] 226 |         Ok(new_tree.prove_consistency(num_additions.try_into().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<usize, Infallible>
[INFO] [stdout]    --> src/tree.rs:226:39
[INFO] [stdout]     |
[INFO] [stdout] 226 |         Ok(new_tree.prove_consistency(num_additions.try_into().unwrap()))
[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 `mrkl` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mrkl` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7b92e9776144842110c470450742ba237f341bfd279c3af6abd8429d5d5e73b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b92e9776144842110c470450742ba237f341bfd279c3af6abd8429d5d5e73b3", kill_on_drop: false }`
[INFO] [stdout] 7b92e9776144842110c470450742ba237f341bfd279c3af6abd8429d5d5e73b3