[INFO] fetching crate de_env 1.0.0...
[INFO] testing de_env-1.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate de_env 1.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate de_env 1.0.0
[INFO] finished tweaking crates.io crate de_env 1.0.0
[INFO] tweaked toml for crates.io crate de_env 1.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate de_env 1.0.0 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 8 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cd86af4d456a5d1ff04cb1826ce486cda7819e03dbc3bc58056225ee287a2da9
[INFO] running `Command { std: "docker" "start" "-a" "cd86af4d456a5d1ff04cb1826ce486cda7819e03dbc3bc58056225ee287a2da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd86af4d456a5d1ff04cb1826ce486cda7819e03dbc3bc58056225ee287a2da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd86af4d456a5d1ff04cb1826ce486cda7819e03dbc3bc58056225ee287a2da9", kill_on_drop: false }`
[INFO] [stdout] cd86af4d456a5d1ff04cb1826ce486cda7819e03dbc3bc58056225ee287a2da9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 06abc010615d668051f81c627578e933ca82b4129dd7f2910b865c6c9325b819
[INFO] running `Command { std: "docker" "start" "-a" "06abc010615d668051f81c627578e933ca82b4129dd7f2910b865c6c9325b819", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling de_env v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "06abc010615d668051f81c627578e933ca82b4129dd7f2910b865c6c9325b819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06abc010615d668051f81c627578e933ca82b4129dd7f2910b865c6c9325b819", kill_on_drop: false }`
[INFO] [stdout] 06abc010615d668051f81c627578e933ca82b4129dd7f2910b865c6c9325b819
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 55e708e74453bfe88bc22f7c52e31a8ee14f281bcd404eb704af17ec1acafc40
[INFO] running `Command { std: "docker" "start" "-a" "55e708e74453bfe88bc22f7c52e31a8ee14f281bcd404eb704af17ec1acafc40", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling de_env v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/de/value.rs:221:28
[INFO] [stdout]     |
[INFO] [stdout] 221 |             NewTypeVariant(bool),
[INFO] [stdout]     |             -------------- ^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Switch` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 221 -             NewTypeVariant(bool),
[INFO] [stdout] 221 +             NewTypeVariant(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.12s
[INFO] running `Command { std: "docker" "inspect" "55e708e74453bfe88bc22f7c52e31a8ee14f281bcd404eb704af17ec1acafc40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e708e74453bfe88bc22f7c52e31a8ee14f281bcd404eb704af17ec1acafc40", kill_on_drop: false }`
[INFO] [stdout] 55e708e74453bfe88bc22f7c52e31a8ee14f281bcd404eb704af17ec1acafc40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a38eb0a77b7abd9f49f44b42d90a66b09ebd296786e71c90f2677fc07aa4c30a
[INFO] running `Command { std: "docker" "start" "-a" "a38eb0a77b7abd9f49f44b42d90a66b09ebd296786e71c90f2677fc07aa4c30a", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/de/value.rs:221:28
[INFO] [stderr]     |
[INFO] [stderr] 221 |             NewTypeVariant(bool),
[INFO] [stderr]     |             -------------- ^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Switch` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 221 -             NewTypeVariant(bool),
[INFO] [stderr] 221 +             NewTypeVariant(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `de_env` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/de_env-baf3f08cdd1aa402)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::prefixed ... ok
[INFO] [stdout] test de::value::tests::deserialize_enum ... ok
[INFO] [stdout] test de::value::tests::deserialize_bool ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::newtype ... ok
[INFO] [stdout] test tests::option ... ok
[INFO] [stdout] test de::value::tests::deserialize_newtype_struct ... ok
[INFO] [stdout] test tests::deny_unknown_fields - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests de_env
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/de/mod.rs - de::from_iter (line 93) ... ok
[INFO] [stdout] test src/de/mod.rs - de::from_env (line 19) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 65) ... ok
[INFO] [stdout] test src/de/mod.rs - de::from_env_prefixed (line 54) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a38eb0a77b7abd9f49f44b42d90a66b09ebd296786e71c90f2677fc07aa4c30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38eb0a77b7abd9f49f44b42d90a66b09ebd296786e71c90f2677fc07aa4c30a", kill_on_drop: false }`
[INFO] [stdout] a38eb0a77b7abd9f49f44b42d90a66b09ebd296786e71c90f2677fc07aa4c30a
