[INFO] cloning repository https://github.com/RomanHargrave/lyrebird
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RomanHargrave/lyrebird" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRomanHargrave%2Flyrebird", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRomanHargrave%2Flyrebird'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56ff516febdde9b6d0d05dcf6225f935db9b1163
[INFO] checking RomanHargrave/lyrebird 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%2FRomanHargrave%2Flyrebird" "/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/RomanHargrave/lyrebird
[INFO] finished tweaking git repo https://github.com/RomanHargrave/lyrebird
[INFO] tweaked toml for git repo https://github.com/RomanHargrave/lyrebird written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RomanHargrave/lyrebird 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/RomanHargrave/lyrebird 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] fe221725285b47b4b6748764124c4b9f9f7d466fe09ffb9c2b76b798f2ef817c
[INFO] running `Command { std: "docker" "start" "-a" "fe221725285b47b4b6748764124c4b9f9f7d466fe09ffb9c2b76b798f2ef817c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe221725285b47b4b6748764124c4b9f9f7d466fe09ffb9c2b76b798f2ef817c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe221725285b47b4b6748764124c4b9f9f7d466fe09ffb9c2b76b798f2ef817c", kill_on_drop: false }`
[INFO] [stdout] fe221725285b47b4b6748764124c4b9f9f7d466fe09ffb9c2b76b798f2ef817c
[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] c9f4509f644a1f7e9c0529ae4435c6c18ea9843c32b8b970855008d331e9992d
[INFO] running `Command { std: "docker" "start" "-a" "c9f4509f644a1f7e9c0529ae4435c6c18ea9843c32b8b970855008d331e9992d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling indexmap v1.9.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking clap_lex v0.2.2
[INFO] [stderr]     Checking random-string v1.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling clap_derive v3.2.5
[INFO] [stderr]     Checking clap v3.2.5
[INFO] [stderr]     Checking lyrebird 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/commands/file.rs:63:3
[INFO] [stdout]    |
[INFO] [stdout] 63 |   path: 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/commands/process.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 14 |   exe: String,
[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/commands/process.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 |   args: Vec<String>
[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/commands/network.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 32 |   dest: String,
[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/commands/network.rs:36:3
[INFO] [stdout]    |
[INFO] [stdout] 36 |   data: String,
[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/commands/file.rs:63:3
[INFO] [stdout]    |
[INFO] [stdout] 63 |   path: 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/commands/process.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 14 |   exe: String,
[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/commands/process.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 |   args: Vec<String>
[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/commands/network.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 32 |   dest: String,
[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/commands/network.rs:36:3
[INFO] [stdout]    |
[INFO] [stdout] 36 |   data: String,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lyrebird` (bin "lyrebird") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `lyrebird` (bin "lyrebird" test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "c9f4509f644a1f7e9c0529ae4435c6c18ea9843c32b8b970855008d331e9992d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9f4509f644a1f7e9c0529ae4435c6c18ea9843c32b8b970855008d331e9992d", kill_on_drop: false }`
[INFO] [stdout] c9f4509f644a1f7e9c0529ae4435c6c18ea9843c32b8b970855008d331e9992d
