[INFO] fetching crate rngstr 0.3.0...
[INFO] checking rngstr-0.3.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rngstr 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rngstr 0.3.0
[INFO] finished tweaking crates.io crate rngstr 0.3.0
[INFO] tweaked toml for crates.io crate rngstr 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rngstr 0.3.0 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 rngstr 0.3.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cbc05d933c35a2aedb0ea436b7bcc177fedae8f79da04f587ca1efa8737eb875
[INFO] running `Command { std: "docker" "start" "-a" "cbc05d933c35a2aedb0ea436b7bcc177fedae8f79da04f587ca1efa8737eb875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbc05d933c35a2aedb0ea436b7bcc177fedae8f79da04f587ca1efa8737eb875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc05d933c35a2aedb0ea436b7bcc177fedae8f79da04f587ca1efa8737eb875", kill_on_drop: false }`
[INFO] [stdout] cbc05d933c35a2aedb0ea436b7bcc177fedae8f79da04f587ca1efa8737eb875
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 36ec633d9de50a2f948712212e5faba9780ebae1cb4eb5e617669a0ba6f1842c
[INFO] running `Command { std: "docker" "start" "-a" "36ec633d9de50a2f948712212e5faba9780ebae1cb4eb5e617669a0ba6f1842c", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.20
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]     Checking rustix v0.38.34
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking os_pipe v1.1.5
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking tree_magic_mini v3.1.4
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.59
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking x11rb-protocol v0.10.0
[INFO] [stderr]     Checking thiserror v1.0.59
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking x11rb v0.10.1
[INFO] [stderr]     Checking x11-clipboard v0.7.1
[INFO] [stderr]     Checking wl-clipboard-rs v0.7.0
[INFO] [stderr]     Checking cli-clipboard v0.4.0
[INFO] [stderr]     Checking rngstr v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/macros.rs:3:12
[INFO] [stdout]    |
[INFO] [stdout]  3 | ...   ($($args.get($num).ok_or(format!("expected argument '{}' at '{}'", $num.to_string(), stringify!($name)))?.parse::<$t>().map_err(|_|...
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/builtins.rs:81:15
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let tag = parse_args!(id, args, 0 => String);
[INFO] [stdout]    |               ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `parse_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/macros.rs:3:12
[INFO] [stdout]    |
[INFO] [stdout]  3 | ...   ($($args.get($num).ok_or(format!("expected argument '{}' at '{}'", $num.to_string(), stringify!($name)))?.parse::<$t>().map_err(|_|...
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/builtins.rs:81:15
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let tag = parse_args!(id, args, 0 => String);
[INFO] [stdout]    |               ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `parse_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rngstr` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rngstr` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "36ec633d9de50a2f948712212e5faba9780ebae1cb4eb5e617669a0ba6f1842c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36ec633d9de50a2f948712212e5faba9780ebae1cb4eb5e617669a0ba6f1842c", kill_on_drop: false }`
[INFO] [stdout] 36ec633d9de50a2f948712212e5faba9780ebae1cb4eb5e617669a0ba6f1842c