[INFO] cloning repository https://github.com/umgefahren/server-language-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/umgefahren/server-language-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumgefahren%2Fserver-language-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumgefahren%2Fserver-language-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96c418aaeb977b5a83b40597e62efbf6c10767bc
[INFO] checking umgefahren/server-language-client 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%2Fumgefahren%2Fserver-language-client" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/umgefahren/server-language-client
[INFO] finished tweaking git repo https://github.com/umgefahren/server-language-client
[INFO] tweaked toml for git repo https://github.com/umgefahren/server-language-client written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/umgefahren/server-language-client 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/umgefahren/server-language-client 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] warning: version requirement `0.11.2+zstd.1.5.2` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5ee14e9501e794426d80e7c5a23a978356ccd377a8c8eadbc70ee3b46c8dbe64
[INFO] running `Command { std: "docker" "start" "-a" "5ee14e9501e794426d80e7c5a23a978356ccd377a8c8eadbc70ee3b46c8dbe64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ee14e9501e794426d80e7c5a23a978356ccd377a8c8eadbc70ee3b46c8dbe64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ee14e9501e794426d80e7c5a23a978356ccd377a8c8eadbc70ee3b46c8dbe64", kill_on_drop: false }`
[INFO] [stdout] 5ee14e9501e794426d80e7c5a23a978356ccd377a8c8eadbc70ee3b46c8dbe64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7539fdfe58fccb6dd8f48547d576b51b7ada32e72708a5e5c662991b650dd907
[INFO] running `Command { std: "docker" "start" "-a" "7539fdfe58fccb6dd8f48547d576b51b7ada32e72708a5e5c662991b650dd907", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.11.2+zstd.1.5.2` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking lock_api v0.4.7
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking crossterm v0.23.2
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking strum v0.23.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling zstd-sys v2.0.1+zstd.1.5.2
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking parse_duration v2.1.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking comfy-table v5.0.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]     Checking zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]     Checking async-compression v0.3.14
[INFO] [stderr]     Checking server-language-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]   --> src/options.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             hard_limit.try_into().expect("couldn't convert")
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/options.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 | /         /// file for where to put the generated data
[INFO] [stdout] 67 | |         #[clap(default_value = "data.bin")]
[INFO] [stdout] 68 | |         data_out: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/options.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 | /         #[clap(default_value = "data.bin")]
[INFO] [stdout] 111 | |         inp_file: PathBuf,
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/options.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 | /         #[clap(default_value = "result.csv")]
[INFO] [stdout] 113 | |         out_file: PathBuf,
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `server-language-client` (bin "server-language-client") due to 4 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<u64, Infallible>
[INFO] [stdout]   --> src/options.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             hard_limit.try_into().expect("couldn't convert")
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/options.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 | /         /// file for where to put the generated data
[INFO] [stdout] 67 | |         #[clap(default_value = "data.bin")]
[INFO] [stdout] 68 | |         data_out: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/options.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 | /         #[clap(default_value = "data.bin")]
[INFO] [stdout] 111 | |         inp_file: PathBuf,
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/options.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 | /         #[clap(default_value = "result.csv")]
[INFO] [stdout] 113 | |         out_file: PathBuf,
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `server-language-client` (bin "server-language-client" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "7539fdfe58fccb6dd8f48547d576b51b7ada32e72708a5e5c662991b650dd907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7539fdfe58fccb6dd8f48547d576b51b7ada32e72708a5e5c662991b650dd907", kill_on_drop: false }`
[INFO] [stdout] 7539fdfe58fccb6dd8f48547d576b51b7ada32e72708a5e5c662991b650dd907
