[INFO] fetching crate py2erg 0.0.82... [INFO] checking py2erg-0.0.82 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate py2erg 0.0.82 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate py2erg 0.0.82 [INFO] finished tweaking crates.io crate py2erg 0.0.82 [INFO] tweaked toml for crates.io crate py2erg 0.0.82 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate py2erg 0.0.82 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 py2erg 0.0.82 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6ec19baf72a4ddba9e91753eba3ecda231648940b216198e24d279a78ccd7fa6 [INFO] running `Command { std: "docker" "start" "-a" "6ec19baf72a4ddba9e91753eba3ecda231648940b216198e24d279a78ccd7fa6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6ec19baf72a4ddba9e91753eba3ecda231648940b216198e24d279a78ccd7fa6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ec19baf72a4ddba9e91753eba3ecda231648940b216198e24d279a78ccd7fa6", kill_on_drop: false }` [INFO] [stdout] 6ec19baf72a4ddba9e91753eba3ecda231648940b216198e24d279a78ccd7fa6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6e637fc3a36c81b7707f3ef526927840fe2354a09900eed5987a477c44ed5517 [INFO] running `Command { std: "docker" "start" "-a" "6e637fc3a36c81b7707f3ef526927840fe2354a09900eed5987a477c44ed5517", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling libm v0.2.11 [INFO] [stderr] Compiling erg_common v0.6.53-nightly.5 [INFO] [stderr] Checking itertools v0.11.0 [INFO] [stderr] Compiling malachite-nz v0.4.22 [INFO] [stderr] Compiling smallvec v1.14.0 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling syn v2.0.98 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Checking ahash v0.8.11 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling anyhow v1.0.96 [INFO] [stderr] Compiling thread_local v1.1.8 [INFO] [stderr] Checking rustpython-parser-vendored v0.4.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking unic-ucd-ident v0.9.0 [INFO] [stderr] Checking unic-emoji-char v0.9.0 [INFO] [stderr] Checking lalrpop-util v0.20.2 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Checking malachite-base v0.4.22 [INFO] [stderr] Compiling erg_proc_macros v0.6.53-nightly.5 [INFO] [stderr] Checking erg_parser v0.6.53-nightly.5 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling derive_more-impl v1.0.0 [INFO] [stderr] Compiling is-macro v0.3.7 [INFO] [stderr] Compiling erg_compiler v0.6.53-nightly.5 [INFO] [stderr] Checking rustpython-parser-core v0.4.0 [INFO] [stderr] Compiling zerocopy v0.7.35 [INFO] [stderr] Compiling ppv-lite86 v0.2.20 [INFO] [stderr] Checking derive_more v1.0.0 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling phf_generator v0.11.3 [INFO] [stderr] Compiling phf_codegen v0.11.3 [INFO] [stderr] Compiling unicode_names2_generator v1.3.0 [INFO] [stderr] Compiling rustpython-parser v0.4.0 [INFO] [stderr] Compiling unicode_names2 v1.3.0 [INFO] [stderr] Checking malachite-q v0.4.22 [INFO] [stderr] Checking malachite v0.4.22 [INFO] [stderr] Checking malachite-bigint v0.2.3 [INFO] [stderr] Checking rustpython-ast v0.4.0 [INFO] [stderr] Checking py2erg v0.0.82 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> convert.rs:413:42 [INFO] [stdout] | [INFO] [stdout] 413 | .and_then(|expr| locater.fold(expr).ok()) [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, Infallible> [INFO] [stdout] --> convert.rs:483:30 [INFO] [stdout] | [INFO] [stdout] 483 | let Ok(py_program) = locator.fold(py_program); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `py2erg` (lib 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, Infallible> [INFO] [stdout] --> convert.rs:413:42 [INFO] [stdout] | [INFO] [stdout] 413 | .and_then(|expr| locater.fold(expr).ok()) [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, Infallible> [INFO] [stdout] --> convert.rs:483:30 [INFO] [stdout] | [INFO] [stdout] 483 | let Ok(py_program) = locator.fold(py_program); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `py2erg` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "6e637fc3a36c81b7707f3ef526927840fe2354a09900eed5987a477c44ed5517", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e637fc3a36c81b7707f3ef526927840fe2354a09900eed5987a477c44ed5517", kill_on_drop: false }` [INFO] [stdout] 6e637fc3a36c81b7707f3ef526927840fe2354a09900eed5987a477c44ed5517