[INFO] cloning repository https://github.com/dalance/prosafe_exporter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dalance/prosafe_exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fprosafe_exporter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fprosafe_exporter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdb9e60a908e144b44bbb0be51be43583dc0cb4a
[INFO] checking dalance/prosafe_exporter 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%2Fdalance%2Fprosafe_exporter" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dalance/prosafe_exporter
[INFO] finished tweaking git repo https://github.com/dalance/prosafe_exporter
[INFO] tweaked toml for git repo https://github.com/dalance/prosafe_exporter written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dalance/prosafe_exporter 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/dalance/prosafe_exporter 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 58d6434aacf6cfcc642e2d856f99b5d0f4ee6968e2ba9296202c28daf2ee5513
[INFO] running `Command { std: "docker" "start" "-a" "58d6434aacf6cfcc642e2d856f99b5d0f4ee6968e2ba9296202c28daf2ee5513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58d6434aacf6cfcc642e2d856f99b5d0f4ee6968e2ba9296202c28daf2ee5513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d6434aacf6cfcc642e2d856f99b5d0f4ee6968e2ba9296202c28daf2ee5513", kill_on_drop: false }`
[INFO] [stdout] 58d6434aacf6cfcc642e2d856f99b5d0f4ee6968e2ba9296202c28daf2ee5513
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 40a047f8062a962829f657427e796524f588a412cb8dc7ad1e0457819b6054af
[INFO] running `Command { std: "docker" "start" "-a" "40a047f8062a962829f657427e796524f588a412cb8dc7ad1e0457819b6054af", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling thiserror v2.0.7
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling getrandom v0.3.0
[INFO] [stderr]    Compiling zerocopy v0.8.14
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling cc v1.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking rand_core v0.9.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking object v0.36.5
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking toml v0.9.8
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking hex-literal v1.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.7
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking zerofrom v0.1.5
[INFO] [stderr]    Compiling pest v2.7.15
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]    Compiling pest_meta v2.7.15
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]    Compiling pest_generator v2.7.15
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]    Compiling pest_derive v2.7.15
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]    Compiling handlebars v3.5.5
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]    Compiling interfaces v0.0.9
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking prosafe_exporter v0.2.9 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     /// Address on which to expose metrics and web interface.
[INFO] [stdout] 19 | |     #[structopt(long = "web.listen-address", default_value = ":9493")]
[INFO] [stdout] 20 | |     pub listen_address: String,
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     /// Static target probed through /metrics.
[INFO] [stdout] 23 | |     #[structopt(long = "target")]
[INFO] [stdout] 24 | |     pub target: Option<String>,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prosafe_exporter` (bin "prosafe_exporter") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     /// Address on which to expose metrics and web interface.
[INFO] [stdout] 19 | |     #[structopt(long = "web.listen-address", default_value = ":9493")]
[INFO] [stdout] 20 | |     pub listen_address: String,
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     /// Static target probed through /metrics.
[INFO] [stdout] 23 | |     #[structopt(long = "target")]
[INFO] [stdout] 24 | |     pub target: Option<String>,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prosafe_exporter` (bin "prosafe_exporter" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "40a047f8062a962829f657427e796524f588a412cb8dc7ad1e0457819b6054af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a047f8062a962829f657427e796524f588a412cb8dc7ad1e0457819b6054af", kill_on_drop: false }`
[INFO] [stdout] 40a047f8062a962829f657427e796524f588a412cb8dc7ad1e0457819b6054af