[INFO] cloning repository https://github.com/tk-nguyen/downloader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tk-nguyen/downloader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftk-nguyen%2Fdownloader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftk-nguyen%2Fdownloader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1631050873771ec6adb21125d44463891f8488f
[INFO] checking tk-nguyen/downloader 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%2Ftk-nguyen%2Fdownloader" "/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/tk-nguyen/downloader
[INFO] finished tweaking git repo https://github.com/tk-nguyen/downloader
[INFO] tweaked toml for git repo https://github.com/tk-nguyen/downloader written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tk-nguyen/downloader 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/tk-nguyen/downloader 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] ce16530a3d51f7340aa9f883a99a90d377f6189267c43d2a68d103f21fe22ab6
[INFO] running `Command { std: "docker" "start" "-a" "ce16530a3d51f7340aa9f883a99a90d377f6189267c43d2a68d103f21fe22ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce16530a3d51f7340aa9f883a99a90d377f6189267c43d2a68d103f21fe22ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce16530a3d51f7340aa9f883a99a90d377f6189267c43d2a68d103f21fe22ab6", kill_on_drop: false }`
[INFO] [stdout] ce16530a3d51f7340aa9f883a99a90d377f6189267c43d2a68d103f21fe22ab6
[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] 06e211b35195eedbe637d18b94392f57cc6690db7d0110b3801ed96c2ec6ac74
[INFO] running `Command { std: "docker" "start" "-a" "06e211b35195eedbe637d18b94392f57cc6690db7d0110b3801ed96c2ec6ac74", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling cc v1.0.95
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]     Checking rustls-pki-types v1.5.0
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking unicode-width v0.1.12
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]    Compiling thiserror v1.0.59
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking anstyle-query v1.0.3
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking colorchoice v1.0.1
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking webpki-roots v0.26.1
[INFO] [stderr]     Checking supports-color v3.0.0
[INFO] [stderr]     Checking flate2 v1.0.30
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking supports-hyperlinks v3.0.0
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking base64 v0.22.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking supports-unicode v3.0.0
[INFO] [stderr]     Checking owo-colors v4.0.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking terminal_size v0.3.0
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking simplelog v0.12.2
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.59
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling miette-derive v7.2.0
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]     Checking miette v7.2.0
[INFO] [stderr]     Checking rustls-webpki v0.102.3
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking ureq v2.9.7
[INFO] [stderr]     Checking downloader 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/main.rs:64:15
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let msg = String::from_str(filename).into_diagnostic()?;
[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/main.rs:64:15
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let msg = String::from_str(filename).into_diagnostic()?;
[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 `downloader` (bin "downloader" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `downloader` (bin "downloader") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "06e211b35195eedbe637d18b94392f57cc6690db7d0110b3801ed96c2ec6ac74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06e211b35195eedbe637d18b94392f57cc6690db7d0110b3801ed96c2ec6ac74", kill_on_drop: false }`
[INFO] [stdout] 06e211b35195eedbe637d18b94392f57cc6690db7d0110b3801ed96c2ec6ac74
