[INFO] fetching crate pyfalcon 0.1.4...
[INFO] checking pyfalcon-0.1.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate pyfalcon 0.1.4 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate pyfalcon 0.1.4
[INFO] finished tweaking crates.io crate pyfalcon 0.1.4
[INFO] tweaked toml for crates.io crate pyfalcon 0.1.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pyfalcon 0.1.4 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 pyfalcon 0.1.4 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 86f94eecc7168c973d2f670c67680a11440a7c76e9d0aab842088391671de3d3
[INFO] running `Command { std: "docker" "start" "-a" "86f94eecc7168c973d2f670c67680a11440a7c76e9d0aab842088391671de3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86f94eecc7168c973d2f670c67680a11440a7c76e9d0aab842088391671de3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f94eecc7168c973d2f670c67680a11440a7c76e9d0aab842088391671de3d3", kill_on_drop: false }`
[INFO] [stdout] 86f94eecc7168c973d2f670c67680a11440a7c76e9d0aab842088391671de3d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0f4b3d4156e5baf244b3f8f065d7c49a9c96c83505060e5e34215c94490cee68
[INFO] running `Command { std: "docker" "start" "-a" "0f4b3d4156e5baf244b3f8f065d7c49a9c96c83505060e5e34215c94490cee68", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking ordered-float v5.0.0
[INFO] [stderr]     Checking bitflags v2.9.3
[INFO] [stderr]     Checking anstream v0.6.20
[INFO] [stderr]     Checking clap_builder v4.5.46
[INFO] [stderr]     Checking hashable v0.0.0
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking store-interval-tree v0.4.0
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]     Checking clap v4.5.46
[INFO] [stderr]     Checking python_marshal v0.4.7
[INFO] [stderr]     Checking pyc_editor v0.4.0
[INFO] [stderr]     Checking pyfalcon-core v0.1.4
[INFO] [stderr]     Checking pyfalcon v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<File, !>
[INFO] [stdout]   --> src/main.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |       let file = std::fs::File::open(input_file_path)
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 43 | |         .map_err(|e| {
[INFO] [stdout] 44 | |             eprintln!("Failed to open input file: {}", e);
[INFO] [stdout] 45 | |             std::process::exit(1);
[INFO] [stdout] 46 | |         })
[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<pyc_editor::CodeObject, !>
[INFO] [stdout]   --> src/main.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |       let code_object = match python_version {
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 54 | |         Some(version) => pyc_editor::load_code(reader, *version),
[INFO] [stdout] 55 | |         None => pyc_editor::load_pyc(reader).map(|pyc| match pyc {
[INFO] [stdout] 56 | |             pyc_editor::PycFile::V310(pyc_file) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |         std::process::exit(1);
[INFO] [stdout] 73 | |     })
[INFO] [stdout]    | |______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pyfalcon` (bin "pyfalcon" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<File, !>
[INFO] [stdout]   --> src/main.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |       let file = std::fs::File::open(input_file_path)
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 43 | |         .map_err(|e| {
[INFO] [stdout] 44 | |             eprintln!("Failed to open input file: {}", e);
[INFO] [stdout] 45 | |             std::process::exit(1);
[INFO] [stdout] 46 | |         })
[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<pyc_editor::CodeObject, !>
[INFO] [stdout]   --> src/main.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |       let code_object = match python_version {
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 54 | |         Some(version) => pyc_editor::load_code(reader, *version),
[INFO] [stdout] 55 | |         None => pyc_editor::load_pyc(reader).map(|pyc| match pyc {
[INFO] [stdout] 56 | |             pyc_editor::PycFile::V310(pyc_file) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |         std::process::exit(1);
[INFO] [stdout] 73 | |     })
[INFO] [stdout]    | |______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pyfalcon` (bin "pyfalcon") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0f4b3d4156e5baf244b3f8f065d7c49a9c96c83505060e5e34215c94490cee68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f4b3d4156e5baf244b3f8f065d7c49a9c96c83505060e5e34215c94490cee68", kill_on_drop: false }`
[INFO] [stdout] 0f4b3d4156e5baf244b3f8f065d7c49a9c96c83505060e5e34215c94490cee68