[INFO] cloning repository https://github.com/TheNarcode/printf-rust-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheNarcode/printf-rust-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheNarcode%2Fprintf-rust-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheNarcode%2Fprintf-rust-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0027f5cbafdbb62afee61c91dad1fc6c85266f5
[INFO] checking TheNarcode/printf-rust-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%2FTheNarcode%2Fprintf-rust-client" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/TheNarcode/printf-rust-client
[INFO] finished tweaking git repo https://github.com/TheNarcode/printf-rust-client
[INFO] tweaked toml for git repo https://github.com/TheNarcode/printf-rust-client written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TheNarcode/printf-rust-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/TheNarcode/printf-rust-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8bea165e2610ea7ebcd50b24eb008cf6811fdcdcc86780fdf8dc3620fb59f0ab
[INFO] running `Command { std: "docker" "start" "-a" "8bea165e2610ea7ebcd50b24eb008cf6811fdcdcc86780fdf8dc3620fb59f0ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bea165e2610ea7ebcd50b24eb008cf6811fdcdcc86780fdf8dc3620fb59f0ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bea165e2610ea7ebcd50b24eb008cf6811fdcdcc86780fdf8dc3620fb59f0ab", kill_on_drop: false }`
[INFO] [stdout] 8bea165e2610ea7ebcd50b24eb008cf6811fdcdcc86780fdf8dc3620fb59f0ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b4096d0634a69314c6251285d1b0da53a32a8d1f700d88be209ebd0aeed52496
[INFO] running `Command { std: "docker" "start" "-a" "b4096d0634a69314c6251285d1b0da53a32a8d1f700d88be209ebd0aeed52496", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]     Checking bitflags v2.9.3
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]    Compiling enum-as-inner v0.6.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]    Compiling enum-primitive-derive v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking ftail v0.3.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking hyper v1.7.0
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking tokio-io-timeout v1.2.1
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]     Checking hyper-util v0.1.16
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.23
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking ipp v5.3.1
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking eventsource-client v0.15.0
[INFO] [stderr]     Checking rust-ipp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<IppValue, Infallible>
[INFO] [stdout]   --> src/ipp.rs:89:50
[INFO] [stdout]    |
[INFO] [stdout] 89 |     .map(|(name, value)| IppAttribute::new(name, value.parse().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 `rust-ipp` (bin "rust-ipp") 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<IppValue, Infallible>
[INFO] [stdout]   --> src/ipp.rs:89:50
[INFO] [stdout]    |
[INFO] [stdout] 89 |     .map(|(name, value)| IppAttribute::new(name, value.parse().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 `rust-ipp` (bin "rust-ipp" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b4096d0634a69314c6251285d1b0da53a32a8d1f700d88be209ebd0aeed52496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4096d0634a69314c6251285d1b0da53a32a8d1f700d88be209ebd0aeed52496", kill_on_drop: false }`
[INFO] [stdout] b4096d0634a69314c6251285d1b0da53a32a8d1f700d88be209ebd0aeed52496
