[INFO] fetching crate u16cstr 0.4.0...
[INFO] testing u16cstr-0.4.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate u16cstr 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate u16cstr 0.4.0
[INFO] finished tweaking crates.io crate u16cstr 0.4.0
[INFO] tweaked toml for crates.io crate u16cstr 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate u16cstr 0.4.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa0fcc7087ec0e21ee61395913dc2034aeaf8fd90a21fab0a20e846cff918114
[INFO] running `Command { std: "docker" "start" "-a" "fa0fcc7087ec0e21ee61395913dc2034aeaf8fd90a21fab0a20e846cff918114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa0fcc7087ec0e21ee61395913dc2034aeaf8fd90a21fab0a20e846cff918114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa0fcc7087ec0e21ee61395913dc2034aeaf8fd90a21fab0a20e846cff918114", kill_on_drop: false }`
[INFO] [stdout] fa0fcc7087ec0e21ee61395913dc2034aeaf8fd90a21fab0a20e846cff918114
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36f8dcc74e26ee1b51f67a7aecc40c4c718ab0cb0c32cc3bcfca3bd712da7cbf
[INFO] running `Command { std: "docker" "start" "-a" "36f8dcc74e26ee1b51f67a7aecc40c4c718ab0cb0c32cc3bcfca3bd712da7cbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling wchar v0.11.1
[INFO] [stderr]    Compiling widestring v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling wchar-impl v0.11.0
[INFO] [stderr]    Compiling u16cstr v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `Command { std: "docker" "inspect" "36f8dcc74e26ee1b51f67a7aecc40c4c718ab0cb0c32cc3bcfca3bd712da7cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36f8dcc74e26ee1b51f67a7aecc40c4c718ab0cb0c32cc3bcfca3bd712da7cbf", kill_on_drop: false }`
[INFO] [stdout] 36f8dcc74e26ee1b51f67a7aecc40c4c718ab0cb0c32cc3bcfca3bd712da7cbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83e3b2df9fdb2c9ce8f6bc991bd63bb50127edee56a8d8a586ad1408dd28f20a
[INFO] running `Command { std: "docker" "start" "-a" "83e3b2df9fdb2c9ce8f6bc991bd63bb50127edee56a8d8a586ad1408dd28f20a", kill_on_drop: false }`
[INFO] [stderr]    Compiling u16cstr v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "83e3b2df9fdb2c9ce8f6bc991bd63bb50127edee56a8d8a586ad1408dd28f20a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e3b2df9fdb2c9ce8f6bc991bd63bb50127edee56a8d8a586ad1408dd28f20a", kill_on_drop: false }`
[INFO] [stdout] 83e3b2df9fdb2c9ce8f6bc991bd63bb50127edee56a8d8a586ad1408dd28f20a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 48245ebc1e5b94fab46f696d9c16bb6b4f682f5605678be5ab11d658a371fd3f
[INFO] running `Command { std: "docker" "start" "-a" "48245ebc1e5b94fab46f696d9c16bb6b4f682f5605678be5ab11d658a371fd3f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/u16cstr-e9db7b3ff8b5c49f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-6f41d14b8518c450)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test u16cstr ... ok
[INFO] [stdout] test u16str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic_in_another_crate.rs (/opt/rustwide/target/debug/deps/basic_in_another_crate-68cac76114fe8cc1)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test basic_in_another_crate ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- basic_in_another_crate stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     basic_in_another_crate
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test basic_in_another_crate`
[INFO] running `Command { std: "docker" "inspect" "48245ebc1e5b94fab46f696d9c16bb6b4f682f5605678be5ab11d658a371fd3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48245ebc1e5b94fab46f696d9c16bb6b4f682f5605678be5ab11d658a371fd3f", kill_on_drop: false }`
[INFO] [stdout] 48245ebc1e5b94fab46f696d9c16bb6b4f682f5605678be5ab11d658a371fd3f