[INFO] fetching crate nb-from-env 0.2.1...
[INFO] testing nb-from-env-0.2.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate nb-from-env 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate nb-from-env 0.2.1
[INFO] finished tweaking crates.io crate nb-from-env 0.2.1
[INFO] tweaked toml for crates.io crate nb-from-env 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nb-from-env 0.2.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c17acb2439da3cc2f66225b030cf74496aa0341cece30701f0c0c7953b4f4fe
[INFO] running `Command { std: "docker" "start" "-a" "4c17acb2439da3cc2f66225b030cf74496aa0341cece30701f0c0c7953b4f4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c17acb2439da3cc2f66225b030cf74496aa0341cece30701f0c0c7953b4f4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c17acb2439da3cc2f66225b030cf74496aa0341cece30701f0c0c7953b4f4fe", kill_on_drop: false }`
[INFO] [stdout] 4c17acb2439da3cc2f66225b030cf74496aa0341cece30701f0c0c7953b4f4fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3973254511c0bed535d3e98ab2721ec6913d5ebf1be4c20e1f0cf466280eae2a
[INFO] running `Command { std: "docker" "start" "-a" "3973254511c0bed535d3e98ab2721ec6913d5ebf1be4c20e1f0cf466280eae2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling from-env-derive v0.2.2
[INFO] [stderr]    Compiling nb-from-env v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "3973254511c0bed535d3e98ab2721ec6913d5ebf1be4c20e1f0cf466280eae2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3973254511c0bed535d3e98ab2721ec6913d5ebf1be4c20e1f0cf466280eae2a", kill_on_drop: false }`
[INFO] [stdout] 3973254511c0bed535d3e98ab2721ec6913d5ebf1be4c20e1f0cf466280eae2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dae875bd6d692a7bcbe7c77c24f4f68f0912fd82b2104a68823584e71994eba3
[INFO] running `Command { std: "docker" "start" "-a" "dae875bd6d692a7bcbe7c77c24f4f68f0912fd82b2104a68823584e71994eba3", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb-from-env v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "dae875bd6d692a7bcbe7c77c24f4f68f0912fd82b2104a68823584e71994eba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dae875bd6d692a7bcbe7c77c24f4f68f0912fd82b2104a68823584e71994eba3", kill_on_drop: false }`
[INFO] [stdout] dae875bd6d692a7bcbe7c77c24f4f68f0912fd82b2104a68823584e71994eba3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 59e8950355a3c50493f3825717445e07eb88c8811473e50c09ba77b806e10ce4
[INFO] running `Command { std: "docker" "start" "-a" "59e8950355a3c50493f3825717445e07eb88c8811473e50c09ba77b806e10ce4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nb_from_env-1e23c399d75955ec)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_from_env ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nb_from_env
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - FromStr (line 8) ... ok
[INFO] [stdout] test src/lib.rs - FromStr (line 26) ... ok
[INFO] [stdout] test src/lib.rs - FromStr (line 43) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "59e8950355a3c50493f3825717445e07eb88c8811473e50c09ba77b806e10ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e8950355a3c50493f3825717445e07eb88c8811473e50c09ba77b806e10ce4", kill_on_drop: false }`
[INFO] [stdout] 59e8950355a3c50493f3825717445e07eb88c8811473e50c09ba77b806e10ce4
