[INFO] cloning repository https://github.com/docwilco/metadata_3mf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/docwilco/metadata_3mf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdocwilco%2Fmetadata_3mf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdocwilco%2Fmetadata_3mf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c34067089f2fc9923b85ac6c754b0d2bb123b22
[INFO] checking docwilco/metadata_3mf 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%2Fdocwilco%2Fmetadata_3mf" "/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/docwilco/metadata_3mf
[INFO] finished tweaking git repo https://github.com/docwilco/metadata_3mf
[INFO] tweaked toml for git repo https://github.com/docwilco/metadata_3mf written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/docwilco/metadata_3mf 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/docwilco/metadata_3mf 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] b0826858bba8c856c01ce4b061980ee73a0a96a8ccbe4c1de3766fee653859f7
[INFO] running `Command { std: "docker" "start" "-a" "b0826858bba8c856c01ce4b061980ee73a0a96a8ccbe4c1de3766fee653859f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0826858bba8c856c01ce4b061980ee73a0a96a8ccbe4c1de3766fee653859f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0826858bba8c856c01ce4b061980ee73a0a96a8ccbe4c1de3766fee653859f7", kill_on_drop: false }`
[INFO] [stdout] b0826858bba8c856c01ce4b061980ee73a0a96a8ccbe4c1de3766fee653859f7
[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] 302a19cba661afef89698c6a9bd2ed5e77e3da31ebfa049cafc0a506429a39b9
[INFO] running `Command { std: "docker" "start" "-a" "302a19cba661afef89698c6a9bd2ed5e77e3da31ebfa049cafc0a506429a39b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling zstd-safe v4.1.6+zstd.1.5.2
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking base64ct v1.0.1
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking password-hash v0.3.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking xmltree v0.10.3
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking time v0.3.11
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.4
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking sha1 v0.10.1
[INFO] [stderr]     Checking pbkdf2 v0.10.1
[INFO] [stderr]    Compiling zstd-sys v1.6.3+zstd.1.5.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]     Checking clap v3.2.8
[INFO] [stderr]     Checking zstd v0.10.2+zstd.1.5.2
[INFO] [stderr]     Checking zip v0.6.2
[INFO] [stderr]     Checking metadata_3mf v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     suffix: 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<OsString, Infallible>
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     metadata: OsString,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     input_files: Vec<OsString>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]   --> src/main.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     input_files: Vec<OsString>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[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:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     suffix: 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<OsString, Infallible>
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     metadata: OsString,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     input_files: Vec<OsString>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]   --> src/main.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     input_files: Vec<OsString>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `metadata_3mf` (bin "metadata_3mf") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `metadata_3mf` (bin "metadata_3mf" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "302a19cba661afef89698c6a9bd2ed5e77e3da31ebfa049cafc0a506429a39b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "302a19cba661afef89698c6a9bd2ed5e77e3da31ebfa049cafc0a506429a39b9", kill_on_drop: false }`
[INFO] [stdout] 302a19cba661afef89698c6a9bd2ed5e77e3da31ebfa049cafc0a506429a39b9