[INFO] cloning repository https://github.com/DawnRuby/GitlabWorker-Caching
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DawnRuby/GitlabWorker-Caching" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDawnRuby%2FGitlabWorker-Caching", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDawnRuby%2FGitlabWorker-Caching'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d520efebe0f5be8bb9d2cc8b4c4581d17d2a15d
[INFO] checking DawnRuby/GitlabWorker-Caching 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%2FDawnRuby%2FGitlabWorker-Caching" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DawnRuby/GitlabWorker-Caching
[INFO] finished tweaking git repo https://github.com/DawnRuby/GitlabWorker-Caching
[INFO] tweaked toml for git repo https://github.com/DawnRuby/GitlabWorker-Caching written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DawnRuby/GitlabWorker-Caching 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/DawnRuby/GitlabWorker-Caching 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fcd983586ef979a3e6f7052a1f4190ec1a9171a482e96226fb13f7568def9b37
[INFO] running `Command { std: "docker" "start" "-a" "fcd983586ef979a3e6f7052a1f4190ec1a9171a482e96226fb13f7568def9b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcd983586ef979a3e6f7052a1f4190ec1a9171a482e96226fb13f7568def9b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd983586ef979a3e6f7052a1f4190ec1a9171a482e96226fb13f7568def9b37", kill_on_drop: false }`
[INFO] [stdout] fcd983586ef979a3e6f7052a1f4190ec1a9171a482e96226fb13f7568def9b37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 109a18c8edec7b649dc53739bd45fbd1dc156246c5c16a10b6a3a01d6b590108
[INFO] running `Command { std: "docker" "start" "-a" "109a18c8edec7b649dc53739bd45fbd1dc156246c5c16a10b6a3a01d6b590108", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking cpufeatures v0.2.10
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]     Checking deranged v0.3.9
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]     Checking aes v0.8.3
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking normpath v1.1.1
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking time v0.3.30
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking sha256 v1.4.0
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]    Compiling lazy-regex-proc_macros v3.0.1
[INFO] [stderr]     Checking lazy-regex v3.0.2
[INFO] [stderr]     Checking suppaftp v5.2.1
[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 zip v0.6.6
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]     Checking rustydav v0.1.3
[INFO] [stderr]     Checking worker-cache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/create_cache.rs:237:30
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let parent_path_string = String::from_str(parent_path).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<std::string::String, Infallible>
[INFO] [stdout]    --> src/create_cache.rs:302:26
[INFO] [stdout]     |
[INFO] [stdout] 302 |     let parentpathstr = &String::from_str(parent_path).unwrap();
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `worker-cache` (bin "worker-cache" test) 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/create_cache.rs:237:30
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let parent_path_string = String::from_str(parent_path).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<std::string::String, Infallible>
[INFO] [stdout]    --> src/create_cache.rs:302:26
[INFO] [stdout]     |
[INFO] [stdout] 302 |     let parentpathstr = &String::from_str(parent_path).unwrap();
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `worker-cache` (bin "worker-cache") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "109a18c8edec7b649dc53739bd45fbd1dc156246c5c16a10b6a3a01d6b590108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "109a18c8edec7b649dc53739bd45fbd1dc156246c5c16a10b6a3a01d6b590108", kill_on_drop: false }`
[INFO] [stdout] 109a18c8edec7b649dc53739bd45fbd1dc156246c5c16a10b6a3a01d6b590108