[INFO] fetching crate cargo-service-message 0.1.8...
[INFO] checking cargo-service-message-0.1.8 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate cargo-service-message 0.1.8 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate cargo-service-message 0.1.8
[INFO] finished tweaking crates.io crate cargo-service-message 0.1.8
[INFO] tweaked toml for crates.io crate cargo-service-message 0.1.8 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-service-message 0.1.8 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 crates.io crate cargo-service-message 0.1.8 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-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] be3e8fa5eb833bab98137742dd456099bfe81fadcaa916afca914bbc2ef6d6e5
[INFO] running `Command { std: "docker" "start" "-a" "be3e8fa5eb833bab98137742dd456099bfe81fadcaa916afca914bbc2ef6d6e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be3e8fa5eb833bab98137742dd456099bfe81fadcaa916afca914bbc2ef6d6e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3e8fa5eb833bab98137742dd456099bfe81fadcaa916afca914bbc2ef6d6e5", kill_on_drop: false }`
[INFO] [stdout] be3e8fa5eb833bab98137742dd456099bfe81fadcaa916afca914bbc2ef6d6e5
[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] c06f28af952edb467fbdfc0bf2553b00a3b84183b87020a4834c84e85000b7c2
[INFO] running `Command { std: "docker" "start" "-a" "c06f28af952edb467fbdfc0bf2553b00a3b84183b87020a4834c84e85000b7c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking cargo-service-message v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/bin/cargo-service-message.rs:302:18
[INFO] [stdout]     |
[INFO] [stdout] 302 |         .map(|s| PathBuf::from_str(&s).unwrap())
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-service-message` (bin "cargo-service-message") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/bin/cargo-service-message.rs:302:18
[INFO] [stdout]     |
[INFO] [stdout] 302 |         .map(|s| PathBuf::from_str(&s).unwrap())
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-service-message` (bin "cargo-service-message" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c06f28af952edb467fbdfc0bf2553b00a3b84183b87020a4834c84e85000b7c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c06f28af952edb467fbdfc0bf2553b00a3b84183b87020a4834c84e85000b7c2", kill_on_drop: false }`
[INFO] [stdout] c06f28af952edb467fbdfc0bf2553b00a3b84183b87020a4834c84e85000b7c2